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Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/ref/ref.book | bin | 19455 -> 12287 bytes | |||
| -rw-r--r-- | Doc/ref/ref.pdf | bin | 0 -> 608628 bytes | |||
| -rw-r--r-- | Doc/ref/ref.ps | 34827 | ||||
| -rw-r--r-- | Doc/ref/ref0.doc | bin | 28671 -> 123902 bytes | |||
| -rw-r--r-- | Doc/ref/ref1.doc | bin | 29695 -> 20479 bytes | |||
| -rw-r--r-- | Doc/ref/ref2.doc | bin | 63487 -> 45055 bytes | |||
| -rw-r--r-- | Doc/ref/ref3.doc | bin | 101375 -> 78847 bytes | |||
| -rw-r--r-- | Doc/ref/ref4.doc | bin | 45055 -> 31743 bytes | |||
| -rw-r--r-- | Doc/ref/ref5.doc | bin | 83967 -> 63487 bytes | |||
| -rw-r--r-- | Doc/ref/ref6.doc | bin | 59391 -> 44031 bytes | |||
| -rw-r--r-- | Doc/ref/ref7.doc | bin | 53246 -> 38911 bytes | |||
| -rw-r--r-- | Doc/ref/ref8.doc | bin | 28671 -> 19454 bytes | |||
| -rw-r--r-- | Doc/ref/refIX.doc | bin | 110591 -> 77823 bytes | |||
| -rw-r--r-- | Doc/ref/refTOC.doc | bin | 49150 -> 32767 bytes |
14 files changed, 25896 insertions, 8931 deletions
diff --git a/Doc/ref/ref.book b/Doc/ref/ref.book Binary files differindex 267bf38..e7f8973 100644 --- a/Doc/ref/ref.book +++ b/Doc/ref/ref.book diff --git a/Doc/ref/ref.pdf b/Doc/ref/ref.pdf Binary files differnew file mode 100644 index 0000000..5601611 --- /dev/null +++ b/Doc/ref/ref.pdf diff --git a/Doc/ref/ref.ps b/Doc/ref/ref.ps index c738cdc..9a7c4ae 100644 --- a/Doc/ref/ref.ps +++ b/Doc/ref/ref.ps @@ -3,17 +3,21 @@ %%Pages: (atend) %%PageOrder: (atend) %%DocumentFonts: (atend) -%%Creator: Frame 4.0 +%%DocumentNeedsFonts: (atend) +%%DocumentSuppliedFonts: (atend) +%%Creator: Frame 5.5 %%DocumentData: Clean7Bit %%EndComments %%BeginProlog % -% Frame ps_prolog 5.0, for use with Frame 5.0 products -% This ps_prolog file is Copyright (c) 1986-1995 Frame Technology -% Corporation. All rights reserved. This ps_prolog file may be -% freely copied and distributed in conjunction with documents created -% using FrameMaker, FrameMaker/SGML and FrameViewer as long as this +% Frame ps_prolog 5.5, for use with Adobe Unix Frame 5.5 products +% +% This ps_prolog file is Copyright (c) 1986-1996 Adobe Systems, Incoporated. +% All rights reserved. This ps_prolog file may be freely copied and +% distributed in conjunction with documents created using FrameMaker, +% FrameMaker+SGML, FrameReader, and FrameViewer as long as this % copyright notice is preserved. +/FMDocSave save def % % FrameMaker users specify the proper paper size for each print job in the % "Print" dialog's "Printer Paper Size" "Width" and "Height~ fields. If the @@ -97,7 +101,7 @@ % sqrt 1 exch sub } def % % -/FMversion (5.0) def +/FMversion (5.5) def /fMLevel1 /languagelevel where {pop languagelevel} {1} ifelse 2 lt def /FMPColor fMLevel1 { @@ -140,7 +144,7 @@ FrameDict /bug get { /FMshowpage /showpage load def /FMquit /quit load def /FMFAILURE { - dup = flush + 2 copy exch = = flush FMshowpage /Helvetica findfont 12 scalefont setfont 72 200 moveto show @@ -150,18 +154,10 @@ FrameDict /bug get { } def /FMVERSION { FMversion ne { - (Frame product version does not match ps_prolog! Check installation;) + (Adobe Frame product version does not match ps_prolog! Check installation;) (also check ~/fminit and ./fminit for old versions) FMFAILURE } if } def -/FMBADEPSF { - (Adobe's PostScript Language Reference Manual, 2nd Edition, section H.2.4) - (says your EPS file is not valid, as it calls X ) - dup dup (X) search pop exch pop exch pop length - 5 -1 roll - putinterval - FMFAILURE - } def /fmConcatProcs { /proc2 exch cvlit def/proc1 exch cvlit def/newproc proc1 length proc2 length add array def @@ -172,6 +168,7 @@ FrameDict begin [ /FMdicttop /FMoptop /FMpointsize + /FMsetsize /FMsaveobject /b /bitmapsave @@ -226,6 +223,7 @@ FrameDict begin [ /orggfreq /orggproc /orggxfer + /orghalftone /orgmatrix /orgproc /orgrangle @@ -268,9 +266,10 @@ FrameDict begin [ /ypoint /yscale /yy + /tintGray ] { 0 def } forall /FmBD {bind def} bind def -systemdict /pdfmark known { +systemdict /pdfmark known systemdict /currentdistillerparams known and { /fMAcrobat true def /FmPD /pdfmark load def @@ -305,7 +304,7 @@ systemdict /pdfmark known { /FmPA {pop pop pop}FmBD } ifelse /FmDC { - transform fMDefaultMatrix itransform cvi exch cvi exch + transform fMDefaultMatrix defaultmatrix itransform cvi exch cvi exch }FmBD /FmBx { dup 3 index lt {3 1 roll exch} if @@ -328,7 +327,7 @@ systemdict /pdfmark known { /FrameSepBlue 1 def /FrameCurGray 1 def /FrameCurPat null def -/FrameCurColors [ 0 0 0 1 0 0 0 ] def +/FrameCurColors [ 0 0 0 1 0 0 0 1] def /FrameColorEpsilon .001 def /eqepsilon { sub dup 0 lt {neg} if @@ -628,32 +627,36 @@ fMLevel1 { } bind def end def } ifelse +/tintCMYK { + 1 tintGray sub FrameCurColors 0 4 getinterval aload pop + 4 index mul 5 1 roll + 3 index mul 5 1 roll + 2 index mul 5 1 roll + mul 4 1 roll +}bind def +/tintRGB { + 1 tintGray sub FrameCurColors 4 3 getinterval aload pop + 1 exch sub 3 index mul 1 exch sub 4 1 roll + 1 exch sub 2 index mul 1 exch sub 4 1 roll + 1 exch sub mul 1 exch sub 3 1 roll +}bind def /combineColor { + /tintGray 1 1 FrameCurGray sub FrameCurColors 7 get mul sub def FrameSepIs FMnone eq { graymode fMLevel1 or not { [/Pattern [/DeviceCMYK]] setcolorspace - FrameCurColors 0 4 getinterval aload pop FrameCurPat setcolor + tintCMYK FrameCurPat setcolor } { FrameCurColors 3 get 1.0 ge { - FrameCurGray RealSetgray + tintGray RealSetgray } { fMAcrobat not FMPColor graymode and and { - 0 1 3 { - FrameCurColors exch get - 1 FrameCurGray sub mul - } for + tintCMYK RealSetcmykcolor } { - 4 1 6 { - FrameCurColors exch get - graymode { - 1 exch sub 1 FrameCurGray sub mul 1 exch sub - } { - 1.0 lt {FrameCurGray} {1} ifelse - } ifelse - } for + tintRGB RealSetrgbcolor } ifelse } ifelse @@ -666,16 +669,16 @@ fMLevel1 { FrameSepMagenta eq and exch FrameSepCyan eq and FrameSepIs FMcustom eq and - { FrameCurGray } { 1 } ifelse + { tintGray } { 1 } ifelse } { FrameSepIs FMblack eq - {FrameCurGray 1.0 exch sub mul 1.0 exch sub 4 1 roll pop pop pop} { + {tintGray 1.0 exch sub mul 1.0 exch sub 4 1 roll pop pop pop} { FrameSepIs FMyellow eq - {pop FrameCurGray 1.0 exch sub mul 1.0 exch sub 3 1 roll pop pop} { + {pop tintGray 1.0 exch sub mul 1.0 exch sub 3 1 roll pop pop} { FrameSepIs FMmagenta eq - {pop pop FrameCurGray 1.0 exch sub mul 1.0 exch sub exch pop } { + {pop pop tintGray 1.0 exch sub mul 1.0 exch sub exch pop } { FrameSepIs FMcyan eq - {pop pop pop FrameCurGray 1.0 exch sub mul 1.0 exch sub } + {pop pop pop tintGray 1.0 exch sub mul 1.0 exch sub } {pop pop pop pop 1} ifelse } ifelse } ifelse } ifelse } ifelse graymode fMLevel1 or not { @@ -697,15 +700,15 @@ fMLevel1 { /restorematrix { orgmatrix setmatrix } bind def -/fMDefaultMatrix matrix defaultmatrix def +/fMDefaultMatrix matrix def /fMatrix2 matrix def -/dpi 72 0 fMDefaultMatrix dtransform +/dpi 72 0 fMDefaultMatrix defaultmatrix dtransform dup mul exch dup mul add sqrt def /freq dpi dup 72 div round dup 0 eq {pop 1} if 8 mul div def -/sangle 1 0 fMDefaultMatrix dtransform exch atan def +/sangle 1 0 fMDefaultMatrix defaultmatrix dtransform exch atan def sangle fMatrix2 rotate - fMDefaultMatrix fMatrix2 concatmatrix + fMDefaultMatrix defaultmatrix fMatrix2 concatmatrix dup 0 get /sflipx exch def 3 get /sflipy exch def /screenIndex { @@ -749,13 +752,17 @@ fMLevel1 { } bind } ifelse def /setDefaultScreen { - FMPColor { - orgrxfer cvx orggxfer cvx orgbxfer cvx orgxfer cvx setcolortransfer - } - { - orgxfer cvx settransfer - } ifelse - orgfreq organgle orgproc cvx setscreen + fMLevel1 { + FMPColor { + orgrxfer cvx orggxfer cvx orgbxfer cvx orgxfer cvx setcolortransfer + } + { + orgxfer cvx settransfer + } ifelse + orgfreq organgle orgproc cvx setscreen + } { + orghalftone sethalftone + }ifelse } bind def /setCurrentScreen { FrameSepIs FMnone eq { @@ -796,7 +803,7 @@ end /FMDOCUMENT { array /FMfonts exch def - /#copies exch def + dup 1 gt {/#copies exch def} {pop} ifelse FrameDict begin 0 ne /manualfeed exch def /paperheight exch def @@ -824,6 +831,10 @@ end } ifelse + fMLevel1 not { + /orghalftone currenthalftone def + }if + FMPColor { currentcolorscreen cvlit /orgproc exch def @@ -865,10 +876,15 @@ end } ifelse end } def +/FMENDDOCUMENT { + FMDocSave restore +} def /FMBEGINPAGE { FrameDict begin /pagesave save def 3.86 setmiterlimit + 0 0 moveto paperwidth 0 lineto paperwidth paperheight lineto + 0 paperheight lineto 0 0 lineto 1 setgray fill /landscape exch 0 ne def landscape { 90 rotate 0 exch dup /pwid exch def neg translate pop @@ -876,8 +892,6 @@ end pop /pwid exch def } ifelse edown { [-1 0 0 1 pwid 0] concat } if - 0 0 moveto paperwidth 0 lineto paperwidth paperheight lineto - 0 paperheight lineto 0 0 lineto 1 setgray fill xscale yscale scale /orgmatrix matrix def gsave @@ -920,46 +934,6 @@ end end /FMEPSF save def /showpage {} def -% See Adobe's "PostScript Language Reference Manual, 2nd Edition", page 714. -% "...the following operators MUST NOT be used in an EPS file:" (emphasis ours) - /banddevice {(banddevice) FMBADEPSF} def - /clear {(clear) FMBADEPSF} def - /cleardictstack {(cleardictstack) FMBADEPSF} def - /copypage {(copypage) FMBADEPSF} def - /erasepage {(erasepage) FMBADEPSF} def - /exitserver {(exitserver) FMBADEPSF} def - /framedevice {(framedevice) FMBADEPSF} def - /grestoreall {(grestoreall) FMBADEPSF} def - /initclip {(initclip) FMBADEPSF} def - /initgraphics {(initgraphics) FMBADEPSF} def - /quit {(quit) FMBADEPSF} def - /renderbands {(renderbands) FMBADEPSF} def - /setglobal {(setglobal) FMBADEPSF} def - /setpagedevice {(setpagedevice) FMBADEPSF} def - /setshared {(setshared) FMBADEPSF} def - /startjob {(startjob) FMBADEPSF} def - /lettertray {(lettertray) FMBADEPSF} def - /letter {(letter) FMBADEPSF} def - /lettersmall {(lettersmall) FMBADEPSF} def - /11x17tray {(11x17tray) FMBADEPSF} def - /11x17 {(11x17) FMBADEPSF} def - /ledgertray {(ledgertray) FMBADEPSF} def - /ledger {(ledger) FMBADEPSF} def - /legaltray {(legaltray) FMBADEPSF} def - /legal {(legal) FMBADEPSF} def - /statementtray {(statementtray) FMBADEPSF} def - /statement {(statement) FMBADEPSF} def - /executivetray {(executivetray) FMBADEPSF} def - /executive {(executive) FMBADEPSF} def - /a3tray {(a3tray) FMBADEPSF} def - /a3 {(a3) FMBADEPSF} def - /a4tray {(a4tray) FMBADEPSF} def - /a4 {(a4) FMBADEPSF} def - /a4small {(a4small) FMBADEPSF} def - /b4tray {(b4tray) FMBADEPSF} def - /b4 {(b4) FMBADEPSF} def - /b5tray {(b5tray) FMBADEPSF} def - /b5 {(b5) FMBADEPSF} def FMNORMALIZEGRAPHICS [/fy /fx /fh /fw /ury /urx /lly /llx] {exch def} forall fx fw 2 div add fy fh 2 div add translate @@ -978,7 +952,7 @@ end } bind def FrameDict begin /setmanualfeed { -%%BeginFeature *ManualFeed True +%%BeginFeature: *ManualFeed True statusdict /manualfeed true put %%EndFeature } bind def @@ -1047,14 +1021,34 @@ FrameDict begin stopped } bind def /desperatepapersize { - statusdict /setpageparams known + + mark + statusdict begin + /setpageparams where { + pop + paperwidth paperheight 0 1 + {setpageparams} stopped + } { + true + } ifelse + { - paperwidth paperheight 0 1 - statusdict begin - {setpageparams} stopped - end - } {true} ifelse - } bind def + + /setpagedevice where { + pop + 1 dict dup begin + /PageSize [ paperwidth paperheight ] def + end + {setpagedevice} stopped + } { + true + } ifelse + } { + false + } ifelse + end + {cleartomark true}{cleartomark false}ifelse +} bind def /papersizefailure { FMAllowPaperSizeMismatch not { @@ -1143,8 +1137,10 @@ FMPColor ifelse /K { FMPrintAllColorsAsBlack { + 8 1 roll dup 1 eq 2 index 1 eq and 3 index 1 eq and not {7 {pop} repeat 0 0 0 1 0 0 0} if + 8 -1 roll } if FrameCurColors astore pop combineColor @@ -1196,7 +1192,7 @@ fMLevel1 { ifelse } setscreen - offbits offbits onbits add div fMNegative {1.0 exch sub} if + offbits offbits onbits add dup 0 ne {div} {pop pop .5} ifelse fMNegative {1.0 exch sub} if /FrameCurGray exch def } ifelse } { @@ -1365,11 +1361,17 @@ fMLevel1 { } bind def /F { FMfonts exch get - FMpointsize scalefont + [FMsetsize 0 0 FMpointsize 0 0] makefont setfont } bind def /Q { /FMpointsize exch def + /FMsetsize FMpointsize def + F + } bind def +/QQ { + /FMsetsize exch def + /FMpointsize exch def F } bind def /T { @@ -1492,7 +1494,8 @@ fMLevel1 { normalize 2 index 2 div sub exch 3 index 2 div add exch translate scale - 0.0 0.0 1.0 5 3 roll arc + 2 copy 0.0 0.0 1.0 5 3 roll arc + round cvi 360 mod exch round cvi 360 mod eq {closepath} if restorematrix PStroke grestore @@ -2161,15 +2164,23 @@ end /J { [] 0 setdash } bind def %%EndProlog %%BeginSetup -(5.0) FMVERSION +(5.5) FMVERSION 1 1 0 0 612 792 0 1 27 FMDOCUMENT +%%IncludeFont: Helvetica-Bold 0 0 /Helvetica-Bold FMFONTDEFINE +%%IncludeFont: Times-Roman 1 0 /Times-Roman FMFONTDEFINE +%%IncludeFont: Courier 2 0 /Courier FMFONTDEFINE +%%IncludeFont: Times-Italic 3 0 /Times-Italic FMFONTDEFINE +%%IncludeFont: Times-Bold 4 0 /Times-Bold FMFONTDEFINE +%%IncludeFont: Helvetica 5 0 /Helvetica FMFONTDEFINE +%%IncludeFont: Courier-Oblique 6 0 /Courier-Oblique FMFONTDEFINE +%%IncludeFont: Courier-Bold 7 0 /Courier-Bold FMFONTDEFINE 32 FMFILLS 0 0 FMFILL @@ -2207,200 +2218,639 @@ end %%BeginPaperSize: Letter %%EndPaperSize 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K J -0 0 0 1 0 0 0 K 0 16 Q 0 X -0 0 0 1 0 0 0 K (Python Reference Manual) 221.7 709.33 T -0 0 0 1 0 0 0 K 1 12 Q (Guido van Rossum) 273.5 672 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q (Corporation for National Research Initiatives \050CNRI\051) 201.73 656.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (1895 Preston White Drive, Reston, Va 20191, USA) 205.84 643.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (E-mail:) 170.18 630.67 T -0 0 0 1 0 0 0 K 2 F (guido@cnri.reston.va.us) 205.93 630.67 T -0 0 0 1 0 0 0 K 1 F (,) 357.73 630.67 T -0 0 0 1 0 0 0 K 2 F (guido@python.org) 363.23 630.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F -(December 31, 1997) 276.28 604.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(March 6, 1998) 287.27 604.67 T (Release 1.5) 294.14 591.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 12 Q (A) 293.56 562 T 1 9.6 Q (BSTRACT) 302.23 562 T -0 0 0 1 0 0 0 K -1 11 Q -1.29 (Python is an interpreted, object-oriented, high-level programming language with dy-) 127.8 540.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.02 (namic semantics. Its high-level built in data structures, combined with dynamic typing) 127.8 527.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.18 (and dynamic binding, make it very attractive for rapid application development, as well) 127.8 514.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.02 (as for use as a scripting or glue language to connect existing components together. Py-) 127.8 501.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.37 (thon's simple, easy to learn syntax emphasizes readability and therefore reduces the cost) 127.8 488.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -1.43 (of program maintenance. Python supports modules and packages, which encourages) 127.8 475.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 (program modularity and code reuse. The Python interpreter and the extensive standard) 127.8 462.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.48 (library are available in source or binary form without charge for all major platforms, and) 127.8 449.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +1 11 Q +(Python) 127.8 540.67 T +(is) 163.01 540.67 T +(an) 174.39 540.67 T +(interpreted,) 188.81 540.67 T +(object-oriented,) 243.25 540.67 T +(high-level) 316.63 540.67 T +(programming) 365.27 540.67 T +(language) 429.19 540.67 T +(with) 472.94 540.67 T +(dy-) 496.54 540.67 T +(namic) 127.8 527.67 T +(semantics.) 157.46 527.67 T +(Its) 209.13 527.67 T +(high-level) 222.9 527.67 T +(built) 270.28 527.67 T +(in) 293.23 527.67 T +(data) 304.56 527.67 T +(structures,) 325.65 527.67 T +(combined) 373.94 527.67 T +(with) 420.1 527.67 T +(dynamic) 442.43 527.67 T +(typing) 483.08 527.67 T +(and) 127.8 514.67 T +(dynamic) 146.26 514.67 T +(binding,) 186.71 514.67 T +(make) 225.65 514.67 T +(it) 252.04 514.67 T +(very) 260.73 514.67 T +(attractive) 282.85 514.67 T +(for) 326.35 514.67 T +(rapid) 341.75 514.67 T +(application) 366.92 514.67 T +(development,) 418.38 514.67 T +(as) 480.52 514.67 T +(well) 492.26 514.67 T +(as) 127.8 501.67 T +(for) 139.73 501.67 T +(use) 155.33 501.67 T +(as) 172.76 501.67 T +(a) 184.69 501.67 T +(scripting) 192.35 501.67 T +(or) 233.62 501.67 T +(glue) 245.55 501.67 T +(language) 267.26 501.67 T +(to) 309.74 501.67 T +(connect) 321.07 501.67 T +(existing) 358.05 501.67 T +(components) 395.65 501.67 T +(together.) 451.58 501.67 T +(Py-) 495.92 501.67 T +(thon's) 127.8 488.67 T +(simple,) 156 488.67 T +(easy) 190.47 488.67 T +(to) 212.4 488.67 T +(learn) 223.34 488.67 T +(syntax) 247.71 488.67 T +(emphasizes) 278.81 488.67 T +(readability) 331.9 488.67 T +(and) 381.33 488.67 T +(therefore) 399.6 488.67 T +(reduces) 441.68 488.67 T +(the) 477.65 488.67 T +(cost) 493.48 488.67 T +(of) 127.8 475.67 T +(program) 141.14 475.67 T +(maintenance.) 182.58 475.67 T +(Python) 245.1 475.67 T +(supports) 280.45 475.67 T +(modules) 321.91 475.67 T +(and) 363.36 475.67 T +(packages,) 383.42 475.67 T +(which) 430.66 475.67 T +(encourages) 461.72 475.67 T +(program) 127.8 462.67 T +(modularity) 167.82 462.67 T +(and) 218.85 462.67 T +(code) 237.48 462.67 T +(reuse.) 261 462.67 T +(The) 292.46 462.67 T +(Python) 312.32 462.67 T +(interpreter) 346.24 462.67 T +(and) 394.81 462.67 T +(the) 413.44 462.67 T +(extensive) 429.63 462.67 T +(standard) 473.93 462.67 T +(library) 127.8 449.67 T +(are) 159.4 449.67 T +(available) 175.1 449.67 T +(in) 217.08 449.67 T +(source) 227.91 449.67 T +(or) 258.89 449.67 T +(binary) 270.33 449.67 T +(form) 300.7 449.67 T +(without) 324.36 449.67 T +(charge) 360.24 449.67 T +(for) 391.83 449.67 T +(all) 406.93 449.67 T +(major) 420.2 449.67 T +(platforms,) 448.13 449.67 T +(and) 495.32 449.67 T (can be freely distributed.) 127.8 436.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.35 (This reference manual describes the syntax and \322core semantics\323 of the language. It is) 127.8 413.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.24 (terse, but attempts to be exact and complete. The semantics of non-essential built-in ob-) 127.8 400.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.11 (ject types and of the built-in functions and modules are described in the) 127.8 387.67 P +(This) 127.8 413.67 T +(reference) 150.46 413.67 T +(manual) 194.48 413.67 T +(describes) 229.97 413.67 T +(the) 274 413.67 T +(syntax) 290.55 413.67 T +(and) 322.38 413.67 T +(\322core) 341.36 413.67 T +(semantics\323) 368.28 413.67 T +(of) 419.66 413.67 T +(the) 431.92 413.67 T +(language.) 448.47 413.67 T +(It) 494.04 413.67 T +(is) 503.86 413.67 T +(terse,) 127.8 400.67 T +(but) 153.83 400.67 T +(attempts) 170.4 400.67 T +(to) 210.2 400.67 T +(be) 221.27 400.67 T +(exact) 234.16 400.67 T +(and) 259.89 400.67 T +(complete.) 278.29 400.67 T +(The) 323.88 400.67 T +(semantics) 343.49 400.67 T +(of) 389.39 400.67 T +(non-essential) 401.07 400.67 T +(built-in) 461.63 400.67 T +(ob-) 496.54 400.67 T +(ject) 127.8 387.67 T +(types) 146.32 387.67 T +(and) 172.18 387.67 T +(of) 190.71 387.67 T +(the) 202.51 387.67 T +(built-in) 218.59 387.67 T +(functions) 253.62 387.67 T +(and) 297.2 387.67 T +(modules) 315.73 387.67 T +(are) 355.64 387.67 T +(described) 371.71 387.67 T +(in) 416.5 387.67 T +(the) 427.7 387.67 T 3 F --0.11 (Python Library) 443.78 387.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.07 (Reference) 127.8 374.67 P -1 F --0.07 (. For an informal introduction to the language, see the) 171.78 374.67 P +(Python) 443.78 387.67 T +(Library) 477.58 387.67 T +(Reference) 127.8 374.67 T +1 F +(.) 171.78 374.67 T +(For) 177.21 374.67 T +(an) 195.16 374.67 T +(informal) 208.22 374.67 T +(introduction) 248.78 374.67 T +(to) 305.24 374.67 T +(the) 316.47 374.67 T +(language,) 332.59 374.67 T +(see) 377.73 374.67 T +(the) 394.45 374.67 T 3 F --0.07 (Python Tutorial) 410.57 374.67 P -1 F --0.07 (. 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12 Q -0 0 0 1 0 0 0 K (Line structure) 216 561.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . . . . .) 285 561.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (3) 535.01 561.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Logical lines) 216 546.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . . . . . . .) 279 546.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (3) 535.01 546.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Physical lines) 216 531.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . . . . .) 285 531.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (3) 535.01 531.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Comments) 216 516.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .) 270 516.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (3) 535.01 516.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Explicit line joining) 216 501.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . . .) 315 501.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (3) 535.01 501.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Implicit line joining) 216 486.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . . .) 315 486.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (4) 535.01 486.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Blank lines) 216 471.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . . . . . .) 273 471.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (4) 535.01 471.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Indentation) 216 456.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . . . . . .) 273 456.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (4) 535.01 456.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Whitespace between tokens) 216 441.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . .) 351 441.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (5) 535.01 441.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Other tokens) 216 426.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . . . . . . .) 279 426.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (5) 535.01 426.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Identifiers and keywords) 216 411.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . .) 336 411.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (5) 535.01 411.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Keywords) 216 396.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .) 267 396.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (6) 535.01 396.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Reserved classes of identifiers) 216 381.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . .) 363 381.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (6) 535.01 381.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Literals) 216 366.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .) 255 366.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (6) 535.01 366.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (String literals) 216 351.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . . . . .) 282 351.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (6) 535.01 351.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (String literal concatenation) 235.01 336.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . .) 369 336.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (8) 535.01 336.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Numeric literals) 216 322.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . . . .) 294 322.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (8) 535.01 322.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Integer and long integer literals) 235.01 307.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . .) 390 307.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (8) 535.01 307.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Floating point literals) 235.01 293.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . .) 342 293.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (8) 535.01 293.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Imaginary literals) 235.01 279.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . .) 324 279.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (9) 535.01 279.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Operators) 216 265.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .) 264 265.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (9) 535.01 265.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Delimiters) 216 250.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .) 267 250.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (9) 535.01 250.63 T -0 0 0 1 0 0 0 K 5 10 Q (CHAPTER) 144 217.3 T -0 1 1 0 1 0 0 K +0 1 1 0 1 0 0 1 K 4 36 Q -0 1 1 0 1 0 0 K (3) 194.56 217.3 T -0 0 0 1 0 0 0 K -1 1 0 0 0 0 1 K +0 0 0 1 0 0 0 1 K +1 1 0 0 0 0 1 1 K 3 14 Q -1 1 0 0 0 0 1 K (Data model) 216 217.3 T -0 0 0 1 0 0 0 K -1 1 0 0 0 0 1 K +0 0 0 1 0 0 0 1 K +1 1 0 0 0 0 1 1 K ( . . . . . . . . . . . . . . . . . . . . .) 297.5 217.3 T -0 0 0 1 0 0 0 K -1 1 0 0 0 0 1 K +0 0 0 1 0 0 0 1 K +1 1 0 0 0 0 1 1 K (11) 527.01 217.3 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 12 Q -0 0 0 1 0 0 0 K (Objects, values and types) 216 200.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . .) 339 200.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (11) 529.01 200.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (The standard type hierarchy) 216 185.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . .) 351 185.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (12) 529.01 185.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Special method names) 216 170.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . .) 324 170.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (18) 529.01 170.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Basic customization) 216 155.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . .) 315 155.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (18) 529.01 155.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Customizing attribute access) 216 140.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . .) 354 140.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (19) 529.01 140.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Emulating callable objects) 216 125.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . .) 345 125.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (20) 529.01 125.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "i" 3 %%Page: "ii" 4 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 1 1 0 1 0 0 K +0 0 0 1 0 0 0 1 K +0 1 1 0 1 0 0 1 K 486 63 522 99 R 3 X -0 1 1 0 1 0 0 K V 491.65 64.15 518.65 84.03 R V -0 0 0 0 1 1 1 K +0 0 0 0 1 1 1 1 K 0 12 Q 7 X -0 0 0 0 1 1 1 K (ii) 491.65 76.03 T -0 1 1 0 1 0 0 K -0 0 0 1 0 0 0 K +0 1 1 0 1 0 0 1 K +0 0 0 1 0 0 0 1 K +0 1 1 0 1 0 0 1 K +0 0 0 1 0 0 0 1 K 55.04 98.81 614.38 98.81 2 L 0.75 H 2 Z 3 X -0 0 0 1 0 0 0 K N 486 -97.92 486 99 2 L N @@ -2796,334 +3051,154 @@ N N 531 620.73 696 620.73 2 L N -0 1 1 0 1 0 0 K +0 1 1 0 1 0 0 1 K 0 36 Q 0 X -0 1 1 0 1 0 0 K (T) 221.22 714 T (ab) 240.34 714 T (le of Contents) 281.99 714 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 12 Q -0 0 0 1 0 0 0 K (Emulating sequence and mapping types) 178.99 629.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . .) 372 629.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (20) 492 629.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Additional methods for emulation of sequence types) 198 614.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . .) 453 614.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (20) 492 614.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Emulating numeric types) 178.99 600.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . .) 300 600.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (21) 492 600.63 T -0 0 0 1 0 0 0 K 5 10 Q (CHAPTER) 106.99 567.3 T -0 1 1 0 1 0 0 K +0 1 1 0 1 0 0 1 K 4 36 Q -0 1 1 0 1 0 0 K (4) 157.55 567.3 T -0 0 0 1 0 0 0 K -1 1 0 0 0 0 1 K +0 0 0 1 0 0 0 1 K +1 1 0 0 0 0 1 1 K 3 14 Q -1 1 0 0 0 0 1 K (Execution model) 178.99 567.3 T -0 0 0 1 0 0 0 K -1 1 0 0 0 0 1 K +0 0 0 1 0 0 0 1 K +1 1 0 0 0 0 1 1 K ( . . . . . . . . . . . . . . . . . . .) 287 567.3 T -0 0 0 1 0 0 0 K -1 1 0 0 0 0 1 K +0 0 0 1 0 0 0 1 K +1 1 0 0 0 0 1 1 K (23) 490 567.3 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 12 Q -0 0 0 1 0 0 0 K (Code blocks, execution frames, and name spaces) 178.99 550.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . .) 414 550.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (23) 492 550.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Exceptions) 178.99 535.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . . . . . . .) 234 535.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (25) 492 535.63 T -0 0 0 1 0 0 0 K 5 10 Q (CHAPTER) 106.99 502.3 T -0 1 1 0 1 0 0 K +0 1 1 0 1 0 0 1 K 4 36 Q -0 1 1 0 1 0 0 K (5) 157.55 502.3 T -0 0 0 1 0 0 0 K -1 1 0 0 0 0 1 K +0 0 0 1 0 0 0 1 K +1 1 0 0 0 0 1 1 K 3 14 Q -1 1 0 0 0 0 1 K (Expressions) 178.99 502.3 T -0 0 0 1 0 0 0 K -1 1 0 0 0 0 1 K +0 0 0 1 0 0 0 1 K +1 1 0 0 0 0 1 1 K (. . . . . . . . . . . . . . . . . . . . . .) 262.5 502.3 T -0 0 0 1 0 0 0 K -1 1 0 0 0 0 1 K +0 0 0 1 0 0 0 1 K +1 1 0 0 0 0 1 1 K (27) 490 502.3 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 12 Q -0 0 0 1 0 0 0 K (Arithmetic conversions) 178.99 485.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . .) 294 485.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (27) 492 485.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Atoms) 178.99 470.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .) 213 470.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (27) 492 470.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Identifiers \050Names\051) 178.99 455.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . .) 273 455.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (27) 492 455.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Literals) 178.99 440.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .) 216 440.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (28) 492 440.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Parenthesized forms) 178.99 425.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . .) 279 425.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (28) 492 425.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (List displays) 178.99 410.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . . . . .) 240 410.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (28) 492 410.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Dictionary displays) 178.99 395.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . .) 273 395.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (28) 492 395.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (String conversions) 178.99 380.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . . .) 270 380.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (29) 492 380.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Primaries) 178.99 365.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .) 225 365.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (29) 492 365.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Attribute references) 178.99 350.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . .) 276 350.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (29) 492 350.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Subscriptions) 178.99 335.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . . . .) 246 335.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (29) 492 335.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Slicings) 178.99 320.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .) 219 320.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (30) 492 320.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Calls) 178.99 305.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .) 204 305.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (31) 492 305.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (The power operator) 178.99 290.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . .) 276 290.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (32) 492 290.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Unary arithmetic operations) 178.99 275.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . .) 315 275.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (32) 492 275.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Binary arithmetic operations) 178.99 260.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . .) 318 260.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (32) 492 260.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Shifting operations) 178.99 245.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . .) 273 245.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (33) 492 245.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Binary bit-wise operations) 178.99 230.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . .) 309 230.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (33) 492 230.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Comparisons) 178.99 215.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . . . . . .) 243 215.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (34) 492 215.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Boolean operations) 178.99 200.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . .) 273 200.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (35) 492 200.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Expression lists) 178.99 185.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . . .) 255 185.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (36) 492 185.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Summary) 178.99 170.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . . . . . .) 228 170.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (37) 492 170.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "ii" 4 %%Page: "iii" 5 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 1 1 0 1 0 0 K +0 0 0 1 0 0 0 1 K +0 1 1 0 1 0 0 1 K 53.79 62.85 89.79 98.85 R 3 X -0 1 1 0 1 0 0 K V 59.44 64 86.44 83.88 R V -0 0 0 0 1 1 1 K +0 0 0 0 1 1 1 1 K 0 12 Q 7 X -0 0 0 0 1 1 1 K (iii) 59.44 75.88 T -0 1 1 0 1 0 0 K -0 0 0 1 0 0 0 K +0 1 1 0 1 0 0 1 K +0 0 0 1 0 0 0 1 K +0 1 1 0 1 0 0 1 K +0 0 0 1 0 0 0 1 K 37 98.81 614.38 98.81 2 L 0.75 H 2 Z 3 X -0 0 0 1 0 0 0 K N 90.23 21.88 90.23 98.81 2 L N @@ -3139,358 +3214,177 @@ N N -84 620.73 132 620.73 2 L N -0 1 1 0 1 0 0 K +0 1 1 0 1 0 0 1 K 0 36 Q 0 X -0 1 1 0 1 0 0 K (T) 259.91 714 T (ab) 279.02 714 T (le of Contents) 320.68 714 T -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 5 10 Q -0 0 0 1 0 0 0 K (CHAPTER) 144 628.3 T -0 1 1 0 1 0 0 K +0 1 1 0 1 0 0 1 K 4 36 Q -0 1 1 0 1 0 0 K (6) 194.56 628.3 T -0 0 0 1 0 0 0 K -1 1 0 0 0 0 1 K +0 0 0 1 0 0 0 1 K +1 1 0 0 0 0 1 1 K 3 14 Q -1 1 0 0 0 0 1 K (Simple statements) 216 628.3 T -0 0 0 1 0 0 0 K -1 1 0 0 0 0 1 K +0 0 0 1 0 0 0 1 K +1 1 0 0 0 0 1 1 K ( . . . . . . . . . . . . . . . . . .) 332.5 628.3 T -0 0 0 1 0 0 0 K -1 1 0 0 0 0 1 K +0 0 0 1 0 0 0 1 K +1 1 0 0 0 0 1 1 K (39) 527.01 628.3 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 12 Q -0 0 0 1 0 0 0 K (Expression statements) 216 611.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . .) 324 611.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (39) 529.01 611.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Assert statements) 216 596.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . .) 303 596.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (39) 529.01 596.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Assignment statements) 216 581.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . .) 327 581.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (40) 529.01 581.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (The pass statement) 216 566.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . .) 309 566.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (41) 529.01 566.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (The del statement) 216 551.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . .) 303 551.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (41) 529.01 551.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (The print statement) 216 536.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . .) 312 536.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (42) 529.01 536.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (The return statement) 216 521.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . .) 318 521.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (42) 529.01 521.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (The raise statement) 216 506.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . .) 312 506.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (42) 529.01 506.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (The break statement) 216 491.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . .) 315 491.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (43) 529.01 491.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (The continue statement) 216 476.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . .) 330 476.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (43) 529.01 476.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (The import statement) 216 461.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . .) 321 461.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (43) 529.01 461.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (The global statement) 216 446.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . .) 318 446.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (44) 529.01 446.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (The exec statement) 216 431.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . .) 309 431.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (44) 529.01 431.63 T -0 0 0 1 0 0 0 K 5 10 Q (CHAPTER) 144 398.3 T -0 1 1 0 1 0 0 K +0 1 1 0 1 0 0 1 K 4 36 Q -0 1 1 0 1 0 0 K (7) 194.56 398.3 T -0 0 0 1 0 0 0 K -1 1 0 0 0 0 1 K +0 0 0 1 0 0 0 1 K +1 1 0 0 0 0 1 1 K 3 14 Q -1 1 0 0 0 0 1 K (Compound statements) 216 398.3 T -0 0 0 1 0 0 0 K -1 1 0 0 0 0 1 K +0 0 0 1 0 0 0 1 K +1 1 0 0 0 0 1 1 K (. . . . . . . . . . . . . . . .) 357 398.3 T -0 0 0 1 0 0 0 K -1 1 0 0 0 0 1 K +0 0 0 1 0 0 0 1 K +1 1 0 0 0 0 1 1 K (47) 527.01 398.3 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 12 Q -0 0 0 1 0 0 0 K (The if statement) 216 381.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . . .) 294 381.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (47) 529.01 381.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (The) 216 366.63 T 2 F (while) 237.66 366.63 T 1 F ( statement) 273.66 366.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . .) 324 366.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (48) 529.01 366.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (The) 216 351.63 T 2 F (for) 237.66 351.63 T 1 F ( statement) 259.26 351.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . .) 309 351.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (48) 529.01 351.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (The) 216 336.63 T 2 F (try) 237.66 336.63 T 1 F ( statement) 259.26 336.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . .) 309 336.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (49) 529.01 336.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Function definitions) 216 321.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . .) 315 321.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (50) 529.01 321.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Class definitions) 216 306.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . . . .) 297 306.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (51) 529.01 306.63 T -0 0 0 1 0 0 0 K 5 10 Q (CHAPTER) 144 273.3 T -0 1 1 0 1 0 0 K +0 1 1 0 1 0 0 1 K 4 36 Q -0 1 1 0 1 0 0 K (8) 194.56 273.3 T -0 0 0 1 0 0 0 K -1 1 0 0 0 0 1 K +0 0 0 1 0 0 0 1 K +1 1 0 0 0 0 1 1 K 3 14 Q -1 1 0 0 0 0 1 K (Top-level components) 216 273.3 T -0 0 0 1 0 0 0 K -1 1 0 0 0 0 1 K +0 0 0 1 0 0 0 1 K +1 1 0 0 0 0 1 1 K ( . . . . . . . . . . . . . . . .) 353.5 273.3 T -0 0 0 1 0 0 0 K -1 1 0 0 0 0 1 K +0 0 0 1 0 0 0 1 K +1 1 0 0 0 0 1 1 K (53) 527.01 273.3 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 12 Q -0 0 0 1 0 0 0 K (Complete Python programs) 216 256.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . .) 348 256.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (53) 529.01 256.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (File input) 216 241.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . . . . . .) 264 241.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (53) 529.01 241.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Interactive input) 216 226.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . . . .) 297 226.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (53) 529.01 226.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Expression input) 216 211.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . . . .) 297 211.63 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (54) 529.01 211.63 T -0 0 0 1 0 0 0 K -1 1 0 0 0 0 1 K -0 0 0 1 0 0 0 K -1 1 0 0 0 0 1 K +1 1 0 0 0 0 1 1 K 3 14 Q -1 1 0 0 0 0 1 K (Index) 216 178.3 T -0 0 0 1 0 0 0 K -1 1 0 0 0 0 1 K +0 0 0 1 0 0 0 1 K +1 1 0 0 0 0 1 1 K ( . . . . . . . . . . . . . . . . . . . . . . . . . .) 248.5 178.3 T -0 0 0 1 0 0 0 K -1 1 0 0 0 0 1 K +0 0 0 1 0 0 0 1 K +1 1 0 0 0 0 1 1 K (55) 527.01 178.3 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K FMENDPAGE %%EndPage: "iii" 5 %%Page: "iv" 6 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K FMENDPAGE %%EndPage: "iv" 6 %%Page: "1" 7 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (1) 535 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 585 292.5 598.5 720 R 5 9 Q -(\245) 0 -90 592.5 720 TF -(Introduction) 0 -90 592.5 711 TF +(\245) 0 270 592.5 720 TF +(Introduction) 0 270 592.5 711 TF 585 292.5 598.5 720 R -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 16 Q (C) 99 709.33 T 0 12.8 Q @@ -3502,166 +3396,794 @@ FrameNoSep (NTRODUCTION) 202.45 709.33 T 1 11 Q (This reference manual describes the Python programming language. It is not intended as a tutorial.) 99 672.67 T --0.04 (While I am trying to be as precise as possible, I have chosen to use English rather than formal speci-) 99 653.67 P --0.21 (fications for everything except syntax and lexical analysis. This should make the document more un-) 99 640.67 P -0.58 (derstandable to the average reader, but will leave room for ambiguities. Consequently, if you were) 99 627.67 P -0.6 (coming from Mars and tried to re-implement Python from this document alone, you might have to) 99 614.67 P --0.03 (guess things and in fact you would probably end up implementing quite a different language. On the) 99 601.67 P -0.25 (other hand, if you are using Python and wonder what the precise rules about a particular area of the) 99 588.67 P --0.06 (language are, you should definitely be able to find them here. If you would like to see a more formal) 99 575.67 P --0.28 (definitition of the language, maybe you could volunteer your time \321 or invent a cloning machine :-\051.) 99 562.67 P --0.01 (It is dangerous to add too many implementation details to a language reference document \321 the im-) 99 543.67 P --0.46 (plementation may change, and other implementations of the same language may work differently. On) 99 530.67 P --0.64 (the other hand, there is currently only one Python implementation in widespread use, and its particular) 99 517.67 P --0.52 (quirks are sometimes worth being mentioned, especially where the implementation imposes addition-) 99 504.67 P +(While) 99 653.67 T +(I) 128.6 653.67 T +(am) 134.97 653.67 T +(trying) 151.12 653.67 T +(to) 180.11 653.67 T +(be) 191.38 653.67 T +(as) 204.47 653.67 T +(precise) 216.35 653.67 T +(as) 250.21 653.67 T +(possible,) 262.08 653.67 T +(I) 303.6 653.67 T +(have) 309.98 653.67 T +(chosen) 333.45 653.67 T +(to) 366.71 653.67 T +(use) 377.98 653.67 T +(English) 395.35 653.67 T +(rather) 431.68 653.67 T +(than) 460.04 653.67 T +(formal) 481.7 653.67 T +(speci-) 513.73 653.67 T +(fications) 99 640.67 T +(for) 139.43 640.67 T +(everything) 154.79 640.67 T +(except) 204.38 640.67 T +(syntax) 235.64 640.67 T +(and) 266.9 640.67 T +(lexical) 285.33 640.67 T +(analysis.) 317.2 640.67 T +(This) 357.93 640.67 T +(should) 380.03 640.67 T +(make) 411.91 640.67 T +(the) 438.28 640.67 T +(document) 454.26 640.67 T +(more) 500.19 640.67 T +(un-) 525.34 640.67 T +(derstandable) 99 627.67 T +(to) 157.92 627.67 T +(the) 169.81 627.67 T +(average) 186.58 627.67 T +(reader,) 224.11 627.67 T +(but) 257.67 627.67 T +(will) 275.06 627.67 T +(leave) 295.5 627.67 T +(room) 322.04 627.67 T +(for) 348.59 627.67 T +(ambiguities.) 364.75 627.67 T +(Consequently,) 422.17 627.67 T +(if) 488.75 627.67 T +(you) 498.8 627.67 T +(were) 518.63 627.67 T +(coming) 99 614.67 T +(from) 135.35 614.67 T +(Mars) 160.08 614.67 T +(and) 186.03 614.67 T +(tried) 205.27 614.67 T +(to) 228.78 614.67 T +(re-implement) 240.68 614.67 T +(Python) 303.3 614.67 T +(from) 337.82 614.67 T +(this) 362.55 614.67 T +(document) 381.8 614.67 T +(alone,) 428.53 614.67 T +(you) 458.45 614.67 T +(might) 478.3 614.67 T +(have) 507.33 614.67 T +(to) 531.44 614.67 T +(guess) 99 601.67 T +(things) 126.16 601.67 T +(and) 155.78 601.67 T +(in) 174.38 601.67 T +(fact) 185.66 601.67 T +(you) 204.87 601.67 T +(would) 224.09 601.67 T +(probably) 254.31 601.67 T +(end) 296.14 601.67 T +(up) 314.74 601.67 T +(implementing) 328.46 601.67 T +(quite) 392.3 601.67 T +(a) 417.02 601.67 T +(different) 424.62 601.67 T +(language.) 465.21 601.67 T +(On) 510.39 601.67 T +(the) 526.56 601.67 T +(other) 99 588.67 T +(hand,) 124.6 588.67 T +(if) 151.74 588.67 T +(you) 161.45 588.67 T +(are) 180.95 588.67 T +(using) 197.38 588.67 T +(Python) 224.22 588.67 T +(and) 258.39 588.67 T +(wonder) 277.27 588.67 T +(what) 313.26 588.67 T +(the) 337.64 588.67 T +(precise) 354.08 588.67 T +(rules) 388.23 588.67 T +(about) 412.61 588.67 T +(a) 440.05 588.67 T +(particular) 447.93 588.67 T +(area) 493.08 588.67 T +(of) 514.4 588.67 T +(the) 526.56 588.67 T +(language) 99 575.67 T +(are,) 141.4 575.67 T +(you) 160.28 575.67 T +(should) 179.47 575.67 T +(definitely) 211.51 575.67 T +(be) 256.36 575.67 T +(able) 269.44 575.67 T +(to) 290.46 575.67 T +(find) 301.71 575.67 T +(them) 322.13 575.67 T +(here.) 346.82 575.67 T +(If) 371.2 575.67 T +(you) 381.22 575.67 T +(would) 400.41 575.67 T +(like) 430.61 575.67 T +(to) 449.8 575.67 T +(see) 461.05 575.67 T +(a) 477.8 575.67 T +(more) 485.37 575.67 T +(formal) 510.67 575.67 T +(definitition) 99 562.67 T +(of) 150.37 562.67 T +(the) 162 562.67 T +(language,) 177.92 562.67 T +(maybe) 222.85 562.67 T +(you) 254.65 562.67 T +(could) 273.62 562.67 T +(volunteer) 300.53 562.67 T +(your) 344.55 562.67 T +(time) 367.19 562.67 T +(\321) 389.22 562.67 T +(or) 402.69 562.67 T +(invent) 414.33 562.67 T +(a) 444.3 562.67 T +(cloning) 451.65 562.67 T +(machine) 487.12 562.67 T +(:-\051.) 526.86 562.67 T +(It) 99 543.67 T +(is) 108.46 543.67 T +(dangerous) 118.54 543.67 T +(to) 166.49 543.67 T +(add) 177.79 543.67 T +(too) 196.41 543.67 T +(many) 213.21 543.67 T +(implementation) 240.39 543.67 T +(details) 312.19 543.67 T +(to) 343.65 543.67 T +(a) 354.95 543.67 T +(language) 362.57 543.67 T +(reference) 405.02 543.67 T +(document) 448.67 543.67 T +(\321) 494.8 543.67 T +(the) 508.54 543.67 T +(im-) 524.72 543.67 T +(plementation) 99 530.67 T +(may) 158.73 530.67 T +(change,) 179.97 530.67 T +(and) 216.16 530.67 T +(other) 234.34 530.67 T +(implementations) 259.24 530.67 T +(of) 334.86 530.67 T +(the) 346.32 530.67 T +(same) 362.05 530.67 T +(language) 386.95 530.67 T +(may) 428.95 530.67 T +(work) 450.19 530.67 T +(differently.) 475.08 530.67 T +(On) 526.56 530.67 T +(the) 99 517.67 T +(other) 114.55 517.67 T +(hand,) 139.26 517.67 T +(there) 165.5 517.67 T +(is) 189.6 517.67 T +(currently) 199.04 517.67 T +(only) 240.86 517.67 T +(one) 262.53 517.67 T +(Python) 280.52 517.67 T +(implementation) 313.8 517.67 T +(in) 384.97 517.67 T +(widespread) 395.63 517.67 T +(use,) 447.83 517.67 T +(and) 467.35 517.67 T +(its) 485.35 517.67 T +(particular) 497.85 517.67 T +(quirks) 99 504.67 T +(are) 128.73 504.67 T +(sometimes) 144.4 504.67 T +(worth) 193.69 504.67 T +(being) 221.59 504.67 T +(mentioned,) 248.26 504.67 T +(especially) 299.69 504.67 T +(where) 345.91 504.67 T +(the) 375.02 504.67 T +(implementation) 390.7 504.67 T +(imposes) 461.99 504.67 T +(addition-) 500.28 504.67 T (al limitations. Therefore, you\325ll find short \322implementation notes\323 sprinkled throughout the text.) 99 491.67 T -0.1 (Every Python implementation comes with a number of built-in and standard modules. These are not) 99 472.67 P --0.53 (documented here, but in the separate) 99 459.67 P +(Every) 99 472.67 T +(Python) 128.12 472.67 T +(implementation) 162.13 472.67 T +(comes) 234.04 472.67 T +(with) 264.99 472.67 T +(a) 287.4 472.67 T +(number) 295.13 472.67 T +(of) 331.58 472.67 T +(built-in) 343.59 472.67 T +(and) 378.83 472.67 T +(standard) 397.56 472.67 T +(modules.) 437.67 472.67 T +(These) 480.55 472.67 T +(are) 509.66 472.67 T +(not) 525.94 472.67 T +(documented) 99 459.67 T +(here,) 154.98 459.67 T +(but) 178.88 459.67 T +(in) 195.16 459.67 T +(the) 205.93 459.67 T +(separate) 221.59 459.67 T 3 F --0.53 (Python Library Reference) 259.84 459.67 P -1 F --0.53 ( document. A few built-in modules are) 373.03 459.67 P +(Python) 259.84 459.67 T +(Library) 293.22 459.67 T +(Reference) 329.05 459.67 T +1 F +(document.) 375.25 459.67 T +(A) 423.6 459.67 T +(few) 433.76 459.67 T +(built-in) 452.46 459.67 T +(modules) 487.07 459.67 T +(are) 526.57 459.67 T (mentioned when they interact in a significant way with the language definition.) 99 446.67 T 0 14 Q (1.1) 99 419.67 T (Notation) 135 419.67 T 1 11 Q --0.01 (The descriptions of lexical analysis and syntax use a modified BNF grammar notation. This uses the) 99 394.67 P +(The) 99 394.67 T +(descriptions) 118.84 394.67 T +(of) 174.74 394.67 T +(lexical) 186.65 394.67 T +(analysis) 218.71 394.67 T +(and) 256.89 394.67 T +(syntax) 275.51 394.67 T +(use) 306.97 394.67 T +(a) 324.37 394.67 T +(modified) 331.99 394.67 T +(BNF) 374.45 394.67 T +(grammar) 398.59 394.67 T +(notation.) 441.04 394.67 T +(This) 482.58 394.67 T +(uses) 504.88 394.67 T +(the) 526.56 394.67 T (following style of definition:) 99 381.67 T 2 10 Q (name: lc_letter \050lc_letter | "_"\051*) 99 363.33 T (lc_letter: "a"..."z") 99 351.33 T 1 11 Q -0.41 0.43 (The first line says that a) 99 326.67 B -2 F -0.99 0.43 (name) 221.35 326.67 B -1 F -0.41 0.43 ( is an) 249.48 326.67 B -2 F -0.99 0.43 (lc_letter) 279.73 326.67 B -1 F -0.41 0.43 ( followed by a sequence of zero or more) 343.04 326.67 B -2 F -0.93 (lc_letter) 99 313.67 P -1 F -0.39 (s and underscores. An) 158.4 313.67 P -2 F -0.93 (lc_letter) 259.84 313.67 P -1 F -0.39 ( in turn is any of the single characters \324a\325 through) 319.24 313.67 P -0.41 0.04 (\324z\325. \050This rule is actually adhered to for the names used in lexical and grammar rules in this docu-) 99 300.67 B +(T) 99 326.67 T +(h) 106.15 326.67 T +(e) 112.09 326.67 T +(f) 121 326.67 T +(i) 125.1 326.67 T +(r) 128.59 326.67 T +(s) 132.69 326.67 T +(t) 137.4 326.67 T +(l) 144.49 326.67 T +(i) 147.98 326.67 T +(n) 151.48 326.67 T +(e) 157.41 326.67 T +(s) 166.32 326.67 T +(a) 171.04 326.67 T +(y) 176.36 326.67 T +(s) 182.29 326.67 T +(t) 190.6 326.67 T +(h) 194.09 326.67 T +(a) 200.03 326.67 T +(t) 205.34 326.67 T +(a) 212.43 326.67 T +2 F +(n) 221.35 326.67 T +(a) 228.38 326.67 T +(m) 235.42 326.67 T +(e) 242.45 326.67 T +1 F +(i) 253.08 326.67 T +(s) 256.57 326.67 T +(a) 264.88 326.67 T +(n) 270.2 326.67 T +2 F +(l) 279.73 326.67 T +(c) 286.77 326.67 T +(_) 293.8 326.67 T +(l) 300.83 326.67 T +(e) 307.87 326.67 T +(t) 314.9 326.67 T +(t) 321.93 326.67 T +(e) 328.97 326.67 T +(r) 336 326.67 T +1 F +(f) 346.63 326.67 T +(o) 350.73 326.67 T +(l) 356.67 326.67 T +(l) 360.16 326.67 T +(o) 363.65 326.67 T +(w) 369.58 326.67 T +(e) 377.96 326.67 T +(d) 383.28 326.67 T +(b) 392.81 326.67 T +(y) 398.74 326.67 T +(a) 408.27 326.67 T +(s) 417.19 326.67 T +(e) 421.9 326.67 T +(q) 427.22 326.67 T +(u) 433.15 326.67 T +(e) 439.09 326.67 T +(n) 444.4 326.67 T +(c) 450.34 326.67 T +(e) 455.66 326.67 T +(o) 464.57 326.67 T +(f) 470.51 326.67 T +(z) 478.2 326.67 T +(e) 483.52 326.67 T +(r) 488.84 326.67 T +(o) 492.93 326.67 T +(o) 502.46 326.67 T +(r) 508.4 326.67 T +(m) 516.09 326.67 T +(o) 525.08 326.67 T +(r) 531.02 326.67 T +(e) 535.11 326.67 T +2 F +(lc_letter) 99 313.67 T +1 F +(s) 158.4 313.67 T +(and) 165.82 313.67 T +(underscores.) 184.84 313.67 T +(An) 243.26 313.67 T +2 F +(lc_letter) 259.84 313.67 T +1 F +(in) 322.37 313.67 T +(turn) 334.07 313.67 T +(is) 354.92 313.67 T +(any) 365.4 313.67 T +(of) 384.42 313.67 T +(the) 396.72 313.67 T +(single) 413.3 313.67 T +(characters) 442.71 313.67 T +(\324a\325) 490.43 313.67 T +(through) 505.78 313.67 T +(\324) 99 300.67 T +(z) 102.71 300.67 T +(\325) 107.64 300.67 T +(.) 111.34 300.67 T +(\050) 117.35 300.67 T +(T) 121.05 300.67 T +(h) 127.82 300.67 T +(i) 133.36 300.67 T +(s) 136.46 300.67 T +(r) 143.99 300.67 T +(u) 147.7 300.67 T +(l) 153.25 300.67 T +(e) 156.35 300.67 T +(i) 164.48 300.67 T +(s) 167.59 300.67 T +(a) 175.12 300.67 T +(c) 180.04 300.67 T +(t) 184.97 300.67 T +(u) 188.08 300.67 T +(a) 193.62 300.67 T +(l) 198.55 300.67 T +(l) 201.65 300.67 T +(y) 204.75 300.67 T +(a) 213.51 300.67 T +(d) 218.43 300.67 T +(h) 223.98 300.67 T +(e) 229.52 300.67 T +(r) 234.45 300.67 T +(e) 238.16 300.67 T +(d) 243.09 300.67 T +(t) 251.84 300.67 T +(o) 254.94 300.67 T +(f) 263.69 300.67 T +(o) 267.4 300.67 T +(r) 272.94 300.67 T +(t) 279.86 300.67 T +(h) 282.96 300.67 T +(e) 288.51 300.67 T +(n) 296.64 300.67 T +(a) 302.18 300.67 T +(m) 307.11 300.67 T +(e) 315.72 300.67 T +(s) 320.64 300.67 T +(u) 328.17 300.67 T +(s) 333.72 300.67 T +(e) 338.04 300.67 T +(d) 342.97 300.67 T +(i) 351.72 300.67 T +(n) 354.83 300.67 T +(l) 363.58 300.67 T +(e) 366.68 300.67 T +(x) 371.61 300.67 T +(i) 377.15 300.67 T +(c) 380.25 300.67 T +(a) 385.18 300.67 T +(l) 390.11 300.67 T +(a) 396.42 300.67 T +(n) 401.35 300.67 T +(d) 406.89 300.67 T +(g) 415.64 300.67 T +(r) 421.19 300.67 T +(a) 424.9 300.67 T +(m) 429.82 300.67 T +(m) 438.43 300.67 T +(a) 447.03 300.67 T +(r) 451.96 300.67 T +(r) 458.87 300.67 T +(u) 462.58 300.67 T +(l) 468.12 300.67 T +(e) 471.23 300.67 T +(s) 476.15 300.67 T +(i) 483.68 300.67 T +(n) 486.79 300.67 T +(t) 495.54 300.67 T +(h) 498.64 300.67 T +(i) 504.19 300.67 T +(s) 507.29 300.67 T +(d) 514.82 300.67 T +(o) 520.36 300.67 T +(c) 525.91 300.67 T +(u) 530.84 300.67 T +(-) 536.38 300.67 T (ment.\051) 99 287.67 T --0.01 (Each rule begins with a name \050which is the name defined by the rule\051 and a colon. A vertical bar \050) 99 262.67 P -2 F --0.04 (|) 529.74 262.67 P -1 F --0.01 (\051) 536.34 262.67 P -0.01 (is used to separate alternatives; it is the least binding operator in this notation. A star \050) 99 249.67 P -2 F -0.04 (*) 477.17 249.67 P -1 F -0.01 (\051 means zero) 483.77 249.67 P -0.3 (or more repetitions of the preceding item; likewise, a plus \050) 99 236.67 P -2 F -0.73 (+) 362.64 236.67 P -1 F -0.3 (\051 means one or more repetitions, and a) 369.24 236.67 P --0.55 (phrase enclosed in square brackets \050) 99 223.67 P -2 F --1.31 ([ ]) 254.8 223.67 P -1 F --0.55 (\051 means zero or one occurrences \050in other words, the enclosed) 273.29 223.67 P --0.25 (phrase is optional\051. The) 99 210.67 P -2 F --0.59 (*) 204.64 210.67 P -1 F --0.25 ( and) 211.24 210.67 P -2 F --0.59 (+) 232.13 210.67 P -1 F --0.25 ( operators bind as tightly as possible; parentheses are used for group-) 238.73 210.67 P -0.19 (ing. Literal strings are enclosed in quotes. White space is only meaningful to separate tokens. Rules) 99 197.67 P -0.12 (are normally contained on a single line; rules with many alternatives may be formatted alternatively) 99 184.67 P +(Each) 99 262.67 T +(rule) 123.72 262.67 T +(begins) 143.56 262.67 T +(with) 175.02 262.67 T +(a) 197.31 262.67 T +(name) 204.93 262.67 T +(\050which) 231.49 262.67 T +(is) 264.77 262.67 T +(the) 274.85 262.67 T +(name) 291.02 262.67 T +(defined) 317.59 262.67 T +(by) 353.31 262.67 T +(the) 367.05 262.67 T +(rule\051) 383.22 262.67 T +(and) 406.73 262.67 T +(a) 425.34 262.67 T +(colon.) 432.96 262.67 T +(A) 462.89 262.67 T +(vertical) 473.57 262.67 T +(bar) 509.29 262.67 T +(\050) 526.07 262.67 T +2 F +(|) 529.74 262.67 T +1 F +(\051) 536.34 262.67 T +(is) 99 249.67 T +(used) 109.1 249.67 T +(to) 132.03 249.67 T +(separate) 143.35 249.67 T +(alternatives;) 182.15 249.67 T +(it) 238.68 249.67 T +(is) 247.57 249.67 T +(the) 257.67 249.67 T +(least) 273.87 249.67 T +(binding) 296.8 249.67 T +(operator) 333.18 249.67 T +(in) 372.6 249.67 T +(this) 383.92 249.67 T +(notation.) 402.58 249.67 T +(A) 444.15 249.67 T +(star) 454.86 249.67 T +(\050) 473.51 249.67 T +2 F +(*) 477.17 249.67 T +1 F +(\051) 483.77 249.67 T +(means) 490.2 249.67 T +(zero) 521.07 249.67 T +(or) 99 236.67 T +(more) 111.22 236.67 T +(repetitions) 136.88 236.67 T +(of) 186.37 236.67 T +(the) 198.59 236.67 T +(preceding) 215.09 236.67 T +(item;) 261.51 236.67 T +(likewise,) 287.18 236.67 T +(a) 329.65 236.67 T +(plus) 337.59 236.67 T +(\050) 358.98 236.67 T +2 F +(+) 362.64 236.67 T +1 F +(\051) 369.24 236.67 T +(means) 375.96 236.67 T +(one) 407.12 236.67 T +(or) 426.05 236.67 T +(more) 438.27 236.67 T +(repetitions,) 463.93 236.67 T +(and) 516.18 236.67 T +(a) 535.11 236.67 T +(phrase) 99 223.67 T +(enclosed) 129.91 223.67 T +(in) 170.61 223.67 T +(square) 181.37 223.67 T +(brackets) 212.28 223.67 T +(\050) 251.14 223.67 T +2 F +([) 254.8 223.67 T +(]) 266.69 223.67 T +1 F +(\051) 273.29 223.67 T +(means) 279.16 223.67 T +(zero) 309.47 223.67 T +(or) 330.61 223.67 T +(one) 341.97 223.67 T +(occurrences) 360.06 223.67 T +(\050in) 414.79 223.67 T +(other) 429.22 223.67 T +(words,) 454.03 223.67 T +(the) 485.86 223.67 T +(enclosed) 501.51 223.67 T +(phrase) 99 210.67 T +(is) 130.21 210.67 T +(optional\051.) 140.05 210.67 T +(The) 185.03 210.67 T +2 F +(*) 204.64 210.67 T +1 F +(and) 213.74 210.67 T +2 F +(+) 232.13 210.67 T +1 F +(operators) 241.24 210.67 T +(bind) 284.67 210.67 T +(as) 306.73 210.67 T +(tightly) 318.4 210.67 T +(as) 349.64 210.67 T +(possible;) 361.3 210.67 T +(parentheses) 402.92 210.67 T +(are) 456.74 210.67 T +(used) 472.68 210.67 T +(for) 495.34 210.67 T +(group-) 510.67 210.67 T +(ing.) 99 197.67 T +(Literal) 118.75 197.67 T +(strings) 151.02 197.67 T +(are) 183.3 197.67 T +(enclosed) 199.67 197.67 T +(in) 241.1 197.67 T +(quotes.) 252.61 197.67 T +(White) 287.02 197.67 T +(space) 316.85 197.67 T +(is) 344.22 197.67 T +(only) 354.5 197.67 T +(meaningful) 377 197.67 T +(to) 430.05 197.67 T +(separate) 441.55 197.67 T +(tokens.) 480.53 197.67 T +(Rules) 514.94 197.67 T +(are) 99 184.67 T +(normally) 115.3 184.67 T +(contained) 157.89 184.67 T +(on) 203.53 184.67 T +(a) 217.4 184.67 T +(single) 225.15 184.67 T +(line;) 254.3 184.67 T +(rules) 276.73 184.67 T +(with) 300.99 184.67 T +(many) 323.41 184.67 T +(alternatives) 350.73 184.67 T +(may) 404.31 184.67 T +(be) 426.12 184.67 T +(formatted) 439.37 184.67 T +(alternatively) 485.01 184.67 T (with each line after the first beginning with a vertical bar.) 99 171.67 T -0.16 (In lexical definitions \050as in the example above\051, two more conventions are used: Two literal charac-) 99 146.67 P -0.41 0.02 (ters separated by three dots mean a choice of any single character in the given \050inclusive\051 range of) 99 133.67 B -0.23 (ASCII characters. A phrase between angular brackets \050) 99 120.67 P -2 F -0.54 (<...>) 342.5 120.67 P -1 F -0.23 (\051 gives an informal description of the) 375.5 120.67 P +(In) 99 146.67 T +(lexical) 111.07 146.67 T +(definitions) 143.3 146.67 T +(\050as) 193.26 146.67 T +(in) 208.99 146.67 T +(the) 220.45 146.67 T +(example) 236.8 146.67 T +(above\051,) 276.97 146.67 T +(two) 312.56 146.67 T +(more) 331.96 146.67 T +(conventions) 357.47 146.67 T +(are) 413.54 146.67 T +(used:) 429.88 146.67 T +(Two) 456 146.67 T +(literal) 479.07 146.67 T +(charac-) 507.64 146.67 T +(t) 99 133.67 T +(e) 102.08 133.67 T +(r) 106.99 133.67 T +(s) 110.68 133.67 T +(s) 118.17 133.67 T +(e) 122.47 133.67 T +(p) 127.38 133.67 T +(a) 132.9 133.67 T +(r) 137.81 133.67 T +(a) 141.49 133.67 T +(t) 146.4 133.67 T +(e) 149.48 133.67 T +(d) 154.39 133.67 T +(b) 163.1 133.67 T +(y) 168.63 133.67 T +(t) 177.34 133.67 T +(h) 180.42 133.67 T +(r) 185.94 133.67 T +(e) 189.63 133.67 T +(e) 194.54 133.67 T +(d) 202.63 133.67 T +(o) 208.15 133.67 T +(t) 213.68 133.67 T +(s) 216.76 133.67 T +(m) 224.25 133.67 T +(e) 232.83 133.67 T +(a) 237.74 133.67 T +(n) 242.65 133.67 T +(a) 251.36 133.67 T +(c) 259.45 133.67 T +(h) 264.36 133.67 T +(o) 269.88 133.67 T +(i) 275.41 133.67 T +(c) 278.49 133.67 T +(e) 283.4 133.67 T +(o) 291.49 133.67 T +(f) 297.01 133.67 T +(a) 303.89 133.67 T +(n) 308.8 133.67 T +(y) 314.32 133.67 T +(s) 323.03 133.67 T +(i) 327.33 133.67 T +(n) 330.41 133.67 T +(g) 335.94 133.67 T +(l) 341.46 133.67 T +(e) 344.54 133.67 T +(c) 352.64 133.67 T +(h) 357.54 133.67 T +(a) 363.07 133.67 T +(r) 367.98 133.67 T +(a) 371.66 133.67 T +(c) 376.57 133.67 T +(t) 381.48 133.67 T +(e) 384.56 133.67 T +(r) 389.47 133.67 T +(i) 396.34 133.67 T +(n) 399.42 133.67 T +(t) 408.13 133.67 T +(h) 411.21 133.67 T +(e) 416.74 133.67 T +(g) 424.83 133.67 T +(i) 430.36 133.67 T +(v) 433.44 133.67 T +(e) 438.96 133.67 T +(n) 443.87 133.67 T +(\050) 452.58 133.67 T +(i) 456.27 133.67 T +(n) 459.35 133.67 T +(c) 464.87 133.67 T +(l) 469.78 133.67 T +(u) 472.86 133.67 T +(s) 478.39 133.67 T +(i) 482.69 133.67 T +(v) 485.77 133.67 T +(e) 491.3 133.67 T +(\051) 496.2 133.67 T +(r) 503.08 133.67 T +(a) 506.76 133.67 T +(n) 511.67 133.67 T +(g) 517.19 133.67 T +(e) 522.72 133.67 T +(o) 530.81 133.67 T +(f) 536.34 133.67 T +(ASCII) 99 120.67 T +(characters.) 130.7 120.67 T +(A) 181.01 120.67 T +(phrase) 191.93 120.67 T +(between) 223.61 120.67 T +(angular) 263.24 120.67 T +(brackets) 299.21 120.67 T +(\050) 338.84 120.67 T +2 F +(<...>) 342.5 120.67 T +1 F +(\051) 375.5 120.67 T +(gives) 382.14 120.67 T +(an) 408.34 120.67 T +(informal) 421.7 120.67 T +(description) 462.56 120.67 T +(of) 514.42 120.67 T +(the) 526.56 120.67 T (symbol defined; e.g. this could be used to describe the notion of \324control character\325 if needed.) 99 107.67 T -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "1" 7 %%Page: "2" 8 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (2) 76.5 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -1 11 Q -0.35 (Even though the notation used is almost the same, there is a big difference between the meaning of) 76.5 712.67 P --0.32 (lexical and syntactic definitions: a lexical definition operates on the individual characters of the input) 76.5 699.67 P -0.3 (source, while a syntax definition operates on the stream of tokens generated by the lexical analysis.) 76.5 686.67 P -0.34 (All uses of BNF in the next chapter \050\322Lexical Analysis\323\051 are lexical definitions; uses in subsequent) 76.5 673.67 P +1 11 Q +(Even) 76.5 712.67 T +(though) 102.21 712.67 T +(the) 135.86 712.67 T +(notation) 152.41 712.67 T +(used) 191.57 712.67 T +(is) 214.83 712.67 T +(almost) 225.27 712.67 T +(the) 257.7 712.67 T +(same,) 274.25 712.67 T +(there) 302.7 712.67 T +(is) 327.79 712.67 T +(a) 338.23 712.67 T +(big) 346.21 712.67 T +(difference) 363.37 712.67 T +(between) 411.06 712.67 T +(the) 450.81 712.67 T +(meaning) 467.35 712.67 T +(of) 508.34 712.67 T +(lexical) 76.5 699.67 T +(and) 108.26 699.67 T +(syntactic) 126.58 699.67 T +(definitions:) 168.12 699.67 T +(a) 220.66 699.67 T +(lexical) 227.98 699.67 T +(definition) 259.74 699.67 T +(operates) 304.95 699.67 T +(on) 344.04 699.67 T +(the) 357.47 699.67 T +(individual) 373.35 699.67 T +(characters) 420.4 699.67 T +(of) 467.41 699.67 T +(the) 479.01 699.67 T +(input) 494.88 699.67 T +(source,) 76.5 686.67 T +(while) 111.01 686.67 T +(a) 138.49 686.67 T +(syntax) 146.43 686.67 T +(definition) 178.19 686.67 T +(operates) 224.02 686.67 T +(on) 263.71 686.67 T +(the) 277.76 686.67 T +(stream) 294.25 686.67 T +(of) 326.62 686.67 T +(tokens) 338.83 686.67 T +(generated) 370.6 686.67 T +(by) 416.4 686.67 T +(the) 430.45 686.67 T +(lexical) 446.94 686.67 T +(analysis.) 479.31 686.67 T +(All) 76.5 673.67 T +(uses) 93.64 673.67 T +(of) 115.67 673.67 T +(BNF) 127.92 673.67 T +(in) 152.4 673.67 T +(the) 164.04 673.67 T +(next) 180.57 673.67 T +(chapter) 202.6 673.67 T +(\050\322Lexical) 238.06 673.67 T +(Analysis\323\051) 282.68 673.67 T +(are) 332.81 673.67 T +(lexical) 349.33 673.67 T +(definitions;) 381.74 673.67 T +(uses) 434.94 673.67 T +(in) 456.97 673.67 T +(subsequent) 468.62 673.67 T (chapters are syntactic definitions.) 76.5 660.67 T -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "2" 8 %%Page: "3" 9 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (3) 535 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 585 292.5 598.5 720 R 5 9 Q -(\245) 0 -90 592.5 720 TF -(Lexical analysis) 0 -90 592.5 711 TF +(\245) 0 270 592.5 720 TF +(Lexical analysis) 0 270 592.5 711 TF 585 292.5 598.5 720 R -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 16 Q (C) 99 709.33 T 0 12.8 Q @@ -3673,34 +4195,261 @@ FrameNoSep (EXICAL) 207.78 709.33 T (ANALYSIS) 259.16 709.33 T 1 11 Q --0.07 (A Python program is read by a) 99 672.67 P +(A) 99 672.67 T +(Python) 109.62 672.67 T +(program) 143.48 672.67 T +(is) 183.43 672.67 T +(read) 193.45 672.67 T +(by) 215.06 672.67 T +(a) 228.75 672.67 T 3 F --0.07 (parser) 236.31 672.67 P -1 F --0.07 (. Input to the parser is a stream of) 265.03 672.67 P +(parser) 236.31 672.67 T +1 F +(.) 265.03 672.67 T +(Input) 270.46 672.67 T +(to) 296.37 672.67 T +(the) 307.61 672.67 T +(parser) 323.73 672.67 T +(is) 353.29 672.67 T +(a) 363.31 672.67 T +(stream) 370.87 672.67 T +(of) 402.88 672.67 T 3 F --0.07 (tokens) 414.73 672.67 P +(tokens) 414.73 672.67 T 1 F --0.07 (, generated by the) 442.83 672.67 P +(,) 442.83 672.67 T +(generated) 448.27 672.67 T +(by) 493.7 672.67 T +(the) 507.39 672.67 T 3 F --0.07 (lex-) 523.51 672.67 P +(lex-) 523.51 672.67 T (ical analyzer) 99 659.67 T 1 F (. This chapter describes how the lexical analyzer breaks a file into tokens.) 156.13 659.67 T --0.22 (Python uses the 7-bit ASCII character set for program text and string literals. 8-bit characters may be) 99 634.67 P --0.07 (used in string literals and comments but their interpretation is platform dependent; the proper way to) 99 621.67 P +(Python) 99 634.67 T +(uses) 132.71 634.67 T +(the) 154.18 634.67 T +(7-bit) 170.15 634.67 T +(ASCII) 193.46 634.67 T +(character) 224.71 634.67 T +(set) 267.55 634.67 T +(for) 282.3 634.67 T +(program) 297.66 634.67 T +(text) 337.46 634.67 T +(and) 356.49 634.67 T +(string) 374.9 634.67 T +(literals.) 402.49 634.67 T +(8-bit) 437.72 634.67 T +(characters) 461.03 634.67 T +(may) 508.14 634.67 T +(be) 529.62 634.67 T +(used) 99 621.67 T +(in) 121.84 621.67 T +(string) 133.08 621.67 T +(literals) 160.81 621.67 T +(and) 193.43 621.67 T +(comments) 211.99 621.67 T +(but) 259.89 621.67 T +(their) 276.62 621.67 T +(interpretation) 299.46 621.67 T +(is) 361.41 621.67 T +(platform) 371.42 621.67 T +(dependent;) 411.99 621.67 T +(the) 462.93 621.67 T +(proper) 479.05 621.67 T +(way) 510.44 621.67 T +(to) 531.44 621.67 T (insert 8-bit characters in string literals is by using octal or hexadecimal escape sequences.) 99 608.67 T --0.35 (The run-time character set depends on the I/O devices connected to the program but is generally a su-) 99 583.67 P +(The) 99 583.67 T +(run-time) 118.51 583.67 T +(character) 158.79 583.67 T +(set) 201.5 583.67 T +(depends) 216.12 583.67 T +(on) 254.57 583.67 T +(the) 267.97 583.67 T +(I/O) 283.82 583.67 T +(devices) 300.88 583.67 T +(connected) 336.27 583.67 T +(to) 383.27 583.67 T +(the) 394.23 583.67 T +(program) 410.07 583.67 T +(but) 449.74 583.67 T +(is) 466.2 583.67 T +(generally) 475.94 583.67 T +(a) 519.27 583.67 T +(su-) 526.56 583.67 T (perset of ASCII.) 99 570.67 T 4 F -0.3 (Future compatibility note:) 99 545.67 P -1 F -0.3 (It may be tempting to assume that the character set for 8-bit characters) 226.69 545.67 P -0.41 0.01 (is ISO Latin-1 \050an ASCII superset that covers most western languages that use the Latin alphabet\051,) 99 532.67 B --0.33 (but it is possible that in the future Unicode text editors will become common. These generally use the) 99 519.67 P --0.12 (UTF-8 encoding, which is also an ASCII superset, but with very different use for the characters with) 99 506.67 P --0.25 (ordinals 128-255. While there is no consensus on this subject yet, it is unwise to assume either Latin-) 99 493.67 P --0.51 (1 or UTF-8, even though the current implementation appears to favor Latin-1. This applies both to the) 99 480.67 P +(Future) 99 545.67 T +(compatibility) 134.43 545.67 T +(note:) 199.81 545.67 T +1 F +(It) 226.69 545.67 T +(may) 236.45 545.67 T +(be) 258.44 545.67 T +(tempting) 271.87 545.67 T +(to) 314.03 545.67 T +(assume) 325.64 545.67 T +(that) 361.07 545.67 T +(the) 380.61 545.67 T +(character) 397.1 545.67 T +(set) 440.45 545.67 T +(for) 455.72 545.67 T +(8-bit) 471.59 545.67 T +(characters) 495.42 545.67 T +(i) 99 532.67 T +(s) 102.07 532.67 T +(I) 109.53 532.67 T +(S) 113.2 532.67 T +(O) 119.33 532.67 T +(L) 130.46 532.67 T +(a) 137.19 532.67 T +(t) 142.08 532.67 T +(i) 145.15 532.67 T +(n) 148.22 532.67 T +(-) 153.73 532.67 T +(1) 157.4 532.67 T +(\050) 166.08 532.67 T +(a) 169.76 532.67 T +(n) 174.65 532.67 T +(A) 183.33 532.67 T +(S) 191.29 532.67 T +(C) 197.41 532.67 T +(I) 204.76 532.67 T +(I) 208.43 532.67 T +(s) 215.28 532.67 T +(u) 219.57 532.67 T +(p) 225.08 532.67 T +(e) 230.59 532.67 T +(r) 235.48 532.67 T +(s) 239.16 532.67 T +(e) 243.45 532.67 T +(t) 248.34 532.67 T +(t) 254.58 532.67 T +(h) 257.65 532.67 T +(a) 263.16 532.67 T +(t) 268.05 532.67 T +(c) 274.29 532.67 T +(o) 279.19 532.67 T +(v) 284.7 532.67 T +(e) 290.21 532.67 T +(r) 295.1 532.67 T +(s) 298.78 532.67 T +(m) 306.24 532.67 T +(o) 314.81 532.67 T +(s) 320.32 532.67 T +(t) 324.61 532.67 T +(w) 330.85 532.67 T +(e) 338.8 532.67 T +(s) 343.69 532.67 T +(t) 347.98 532.67 T +(e) 351.05 532.67 T +(r) 355.95 532.67 T +(n) 359.62 532.67 T +(l) 368.3 532.67 T +(a) 371.37 532.67 T +(n) 376.26 532.67 T +(g) 381.77 532.67 T +(u) 387.28 532.67 T +(a) 392.8 532.67 T +(g) 397.69 532.67 T +(e) 403.2 532.67 T +(s) 408.09 532.67 T +(t) 415.55 532.67 T +(h) 418.62 532.67 T +(a) 424.13 532.67 T +(t) 429.03 532.67 T +(u) 435.27 532.67 T +(s) 440.78 532.67 T +(e) 445.07 532.67 T +(t) 453.14 532.67 T +(h) 456.2 532.67 T +(e) 461.71 532.67 T +(L) 469.78 532.67 T +(a) 476.51 532.67 T +(t) 481.41 532.67 T +(i) 484.48 532.67 T +(n) 487.54 532.67 T +(a) 496.23 532.67 T +(l) 501.12 532.67 T +(p) 504.19 532.67 T +(h) 509.7 532.67 T +(a) 515.21 532.67 T +(b) 520.1 532.67 T +(e) 525.61 532.67 T +(t) 530.51 532.67 T +(\051) 533.58 532.67 T +(,) 537.25 532.67 T +(but) 99 519.67 T +(it) 115.47 519.67 T +(is) 124.01 519.67 T +(possible) 133.76 519.67 T +(that) 172.23 519.67 T +(in) 191.15 519.67 T +(the) 202.12 519.67 T +(future) 217.98 519.67 T +(Unicode) 246.66 519.67 T +(text) 286.35 519.67 T +(editors) 305.27 519.67 T +(will) 337.62 519.67 T +(become) 357.16 519.67 T +(common.) 393.78 519.67 T +(These) 437.45 519.67 T +(generally) 466.13 519.67 T +(use) 509.48 519.67 T +(the) 526.56 519.67 T +(UTF-8) 99 506.67 T +(encoding,) 131.57 506.67 T +(which) 177.27 506.67 T +(is) 206.78 506.67 T +(also) 216.75 506.67 T +(an) 237.09 506.67 T +(ASCII) 250.1 506.67 T +(superset,) 281.45 506.67 T +(but) 322.88 506.67 T +(with) 339.56 506.67 T +(very) 361.75 506.67 T +(different) 383.92 506.67 T +(use) 424.42 506.67 T +(for) 441.71 506.67 T +(the) 457.16 506.67 T +(characters) 473.23 506.67 T +(with) 520.44 506.67 T +(ordinals) 99 493.67 T +(128-255.) 136.95 493.67 T +(While) 178.87 493.67 T +(there) 208.26 493.67 T +(is) 232.75 493.67 T +(no) 242.59 493.67 T +(consensus) 256.1 493.67 T +(on) 303.21 493.67 T +(this) 316.71 493.67 T +(subject) 335.11 493.67 T +(yet,) 368.78 493.67 T +(it) 387.48 493.67 T +(is) 396.1 493.67 T +(unwise) 405.94 493.67 T +(to) 439.61 493.67 T +(assume) 450.67 493.67 T +(either) 485.56 493.67 T +(Latin-) 513.12 493.67 T +(1) 99 480.67 T +(or) 106.74 480.67 T +(UTF-8,) 118.15 480.67 T +(even) 153.09 480.67 T +(though) 176.1 480.67 T +(the) 208.9 480.67 T +(current) 224.58 480.67 T +(implementation) 257.98 480.67 T +(appears) 329.28 480.67 T +(to) 365.12 480.67 T +(favor) 375.92 480.67 T +(Latin-1.) 401.37 480.67 T +(This) 438.75 480.67 T +(applies) 460.55 480.67 T +(both) 493.95 480.67 T +(to) 515.76 480.67 T +(the) 526.56 480.67 T (source character set and the run-time character set.) 99 467.67 T 0 14 Q (2.1) 99 440.67 T @@ -3715,13 +4464,56 @@ FrameNoSep (2.1.1) 99 390 T (Logical lines) 144 390 T 1 11 Q -0.07 (The end of each logical line is represented by the token NEWLINE. Statements cannot cross logical) 99 370.67 P -0.21 (line boundaries except where NEWLINE is allowed by the syntax \050e.g. between statements in com-) 99 357.67 P --0.22 (pound statements\051. A logical line is constructed from one or more) 99 344.67 P +(The) 99 370.67 T +(end) 118.93 370.67 T +(of) 137.63 370.67 T +(each) 149.62 370.67 T +(logical) 172.59 370.67 T +(line) 205.36 370.67 T +(is) 224.68 370.67 T +(represented) 234.84 370.67 T +(by) 288.36 370.67 T +(the) 302.18 370.67 T +(token) 318.45 370.67 T +(NEWLINE.) 345.71 370.67 T +(Statements) 401.38 370.67 T +(cannot) 452.48 370.67 T +(cross) 484.63 370.67 T +(logical) 510.06 370.67 T +(line) 99 357.67 T +(boundaries) 118.46 357.67 T +(except) 169.69 357.67 T +(where) 201.35 357.67 T +(NEWLINE) 231.19 357.67 T +(is) 284.24 357.67 T +(allowed) 294.54 357.67 T +(by) 332.32 357.67 T +(the) 346.28 357.67 T +(syntax) 362.68 357.67 T +(\050e.g.) 394.36 357.67 T +(between) 416.87 357.67 T +(statements) 456.48 357.67 T +(in) 505.88 357.67 T +(com-) 517.4 357.67 T +(pound) 99 344.67 T +(statements\051.) 129.03 344.67 T +(A) 184.41 344.67 T +(logical) 194.88 344.67 T +(line) 227.36 344.67 T +(is) 246.38 344.67 T +(constructed) 256.25 344.67 T +(from) 309.49 344.67 T +(one) 333.4 344.67 T +(or) 351.82 344.67 T +(more) 363.51 344.67 T 3 F --0.22 (physical lines) 388.64 344.67 P +(physical) 388.64 344.67 T +(lines) 427.84 344.67 T 1 F --0.22 ( by following the ex-) 448.61 344.67 P +(by) 451.14 344.67 T +(following) 464.67 344.67 T +(the) 509.98 344.67 T +(ex-) 525.95 344.67 T (plicit or implicit) 99 331.67 T 3 F (line joining) 173.26 331.67 T @@ -3731,241 +4523,752 @@ FrameNoSep (2.1.2) 99 306 T (Physical lines) 144 306 T 1 11 Q --0.52 (A physical line ends in whatever the current platform\325s convention is for terminating lines. On UNIX,) 99 286.67 P --0.24 (this is the ASCII LF \050linefeed\051 character. On DOS/Windows, it is the ASCII sequence CR LF \050return) 99 273.67 P +(A) 99 286.67 T +(physical) 109.17 286.67 T +(line) 148.07 286.67 T +(ends) 166.8 286.67 T +(in) 189.19 286.67 T +(whatever) 199.98 286.67 T +(the) 242.52 286.67 T +(current) 258.2 286.67 T +(platform\325s) 291.58 286.67 T +(convention) 339.64 286.67 T +(is) 390.75 286.67 T +(for) 400.32 286.67 T +(terminating) 415.38 286.67 T +(lines.) 468.33 286.67 T +(On) 494.09 286.67 T +(UNIX,) 509.76 286.67 T +(this) 99 273.67 T +(is) 117.41 273.67 T +(the) 127.25 273.67 T +(ASCII) 143.21 273.67 T +(LF) 174.44 273.67 T +(\050linefeed\051) 189.79 273.67 T +(character.) 235.05 273.67 T +(On) 280.62 273.67 T +(DOS/Windows,) 296.57 273.67 T +(it) 369.05 273.67 T +(is) 377.68 273.67 T +(the) 387.53 273.67 T +(ASCII) 403.48 273.67 T +(sequence) 434.71 273.67 T +(CR) 477.54 273.67 T +(LF) 494.72 273.67 T +(\050return) 510.07 273.67 T (followed by linefeed\051. On Macintosh, it is the ASCII CR \050return\051 character.) 99 260.67 T 0 12 Q (2.1.3) 99 235 T (Comments) 144 235 T 1 11 Q -0.35 (A comment starts with a hash character \050) 99 215.67 P -2 F -0.84 (#) 281.36 215.67 P -1 F -0.35 (\051 that is not part of a string literal, and ends at the end of) 287.96 215.67 P --0.23 (the physical line. A comment signifies the end of the logical line unless the implicit line joining rules) 99 202.67 P +(A) 99 215.67 T +(comment) 110.04 215.67 T +(starts) 154.08 215.67 T +(with) 180.4 215.67 T +(a) 203.06 215.67 T +(hash) 211.04 215.67 T +(character) 234.3 215.67 T +(\050) 277.7 215.67 T +2 F +(#) 281.36 215.67 T +1 F +(\051) 287.96 215.67 T +(that) 294.73 215.67 T +(is) 314.32 215.67 T +(not) 324.76 215.67 T +(part) 341.92 215.67 T +(of) 362.12 215.67 T +(a) 374.38 215.67 T +(string) 382.36 215.67 T +(literal,) 410.52 215.67 T +(and) 442.03 215.67 T +(ends) 461.01 215.67 T +(at) 484.27 215.67 T +(the) 495.31 215.67 T +(end) 511.85 215.67 T +(of) 530.84 215.67 T +(the) 99 202.67 T +(physical) 114.96 202.67 T +(line.) 154.15 202.67 T +(A) 175.92 202.67 T +(comment) 186.39 202.67 T +(signifies) 229.85 202.67 T +(the) 269.65 202.67 T +(end) 285.61 202.67 T +(of) 304.02 202.67 T +(the) 315.71 202.67 T +(logical) 331.67 202.67 T +(line) 364.14 202.67 T +(unless) 383.16 202.67 T +(the) 413.18 202.67 T +(implicit) 429.14 202.67 T +(line) 465.9 202.67 T +(joining) 484.92 202.67 T +(rules) 518.62 202.67 T (are invoked. Comments are ignored by the syntax\255\255; they are not tokens.) 99 189.67 T 0 12 Q (2.1.4) 99 164 T (Explicit line joining) 144 164 T 1 11 Q --0.63 (Two or more physical lines may be joined into logical lines using backslash characters \050) 99 144.67 P -2 F --1.52 (\134) 477.53 144.67 P -1 F --0.63 (\051, as follows:) 484.13 144.67 P --0.39 (when a physical line ends in a backslash that is not part of a string literal or comment, it is joined with) 99 131.67 P --0.34 (the following forming a single logical line, deleting the backslash and the following end-of-line char-) 99 118.67 P +(Two) 99 144.67 T +(or) 121.28 144.67 T +(more) 132.56 144.67 T +(physical) 157.28 144.67 T +(lines) 196.06 144.67 T +(may) 218.96 144.67 T +(be) 240.02 144.67 T +(joined) 252.52 144.67 T +(into) 282.14 144.67 T +(logical) 301.37 144.67 T +(lines) 333.43 144.67 T +(using) 356.33 144.67 T +(backslash) 382.28 144.67 T +(characters) 427.17 144.67 T +(\050) 473.87 144.67 T +2 F +(\134) 477.53 144.67 T +1 F +(\051,) 484.13 144.67 T +(as) 492.66 144.67 T +(follows:) 503.94 144.67 T +(when) 99 131.67 T +(a) 125.19 131.67 T +(physical) 132.44 131.67 T +(line) 171.46 131.67 T +(ends) 190.32 131.67 T +(in) 212.85 131.67 T +(a) 223.77 131.67 T +(backslash) 231.02 131.67 T +(that) 276.15 131.67 T +(is) 295.01 131.67 T +(not) 304.71 131.67 T +(part) 321.13 131.67 T +(of) 340.6 131.67 T +(a) 352.13 131.67 T +(string) 359.37 131.67 T +(literal) 386.79 131.67 T +(or) 414.82 131.67 T +(comment,) 426.35 131.67 T +(it) 472.4 131.67 T +(is) 480.88 131.67 T +(joined) 490.58 131.67 T +(with) 520.44 131.67 T +(the) 99 118.67 T +(following) 114.85 118.67 T +(forming) 160.04 118.67 T +(a) 197.9 118.67 T +(single) 205.19 118.67 T +(logical) 233.88 118.67 T +(line,) 266.24 118.67 T +(deleting) 287.9 118.67 T +(the) 325.75 118.67 T +(backslash) 341.6 118.67 T +(and) 386.78 118.67 T +(the) 405.08 118.67 T +(following) 420.93 118.67 T +(end-of-line) 466.12 118.67 T +(char-) 517.41 118.67 T (acter. For example:) 99 105.67 T 2 10 Q (if 1900 < year < 2100 and 1 <= month <= 12 \134) 99 87.33 T ( and 1 <= day <= 31 and 0 <= hour < 24 \134) 99 75.33 T -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "3" 9 %%Page: "4" 10 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (4) 76.5 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 F ( and 0 <= minute < 60 and 0 <= second < 60: # Looks like a valid date) 72 713.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( return 1) 72 701.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -1 11 Q -0.2 (A line ending in a backslash cannot carry a comment. A backslash does not continue a comment. A back-) 72 676.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.29 (slash does not continue a token except for string literals \050i.e., tokens other than string literals cannot be split) 72 663.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +1 11 Q +(A) 72 676.67 T +(line) 82.89 676.67 T +(ending) 102.35 676.67 T +(in) 135.24 676.67 T +(a) 146.75 676.67 T +(backslash) 154.59 676.67 T +(cannot) 200.31 676.67 T +(carry) 232.59 676.67 T +(a) 258.13 676.67 T +(comment.) 265.97 676.67 T +(A) 312.61 676.67 T +(backslash) 323.51 676.67 T +(does) 369.23 676.67 T +(not) 392.35 676.67 T +(continue) 409.36 676.67 T +(a) 450.19 676.67 T +(comment.) 458.03 676.67 T +(A) 504.67 676.67 T +(back-) 515.57 676.67 T +(slash) 72 663.67 T +(does) 96.46 663.67 T +(not) 119.08 663.67 T +(continue) 135.6 663.67 T +(a) 175.94 663.67 T +(token) 183.28 663.67 T +(except) 210.18 663.67 T +(for) 241.35 663.67 T +(string) 256.63 663.67 T +(literals) 284.15 663.67 T +(\050i.e.,) 316.55 663.67 T +(tokens) 338.86 663.67 T +(other) 370.04 663.67 T +(than) 395.1 663.67 T +(string) 416.5 663.67 T +(literals) 444.02 663.67 T +(cannot) 476.42 663.67 T +(be) 508.2 663.67 T +(split) 521.05 663.67 T (across physical lines using a backslash\051. A backslash is illegal elsewhere on a line outside a string literal.) 72 650.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 12 Q (2.1.5) 72 625 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Implicit line joining) 117 625 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q -0.51 (Expressions in parentheses, square brackets or curly braces can be split over more than one physical line) 72 605.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(Expressions) 72 605.67 T +(in) 128.43 605.67 T +(parentheses,) 140.25 605.67 T +(square) 197.58 605.67 T +(brackets) 229.56 605.67 T +(or) 269.47 605.67 T +(curly) 281.9 605.67 T +(braces) 307.77 605.67 T +(can) 339.13 605.67 T +(be) 357.67 605.67 T +(split) 371.31 605.67 T +(over) 393.53 605.67 T +(more) 416.35 605.67 T +(than) 442.21 605.67 T +(one) 464.42 605.67 T +(physical) 483.57 605.67 T +(line) 523.5 605.67 T (without using backslashes. For example:) 72 592.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 10 Q (month_names = [\325Januari\325, \325Februari\325, \325Maart\325, # These are the) 72 574.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( \325April\325, \325Mei\325, \325Juni\325, # Dutch names) 72 562.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( \325Juli\325, \325Augustus\325, \325September\325, # for the months) 72 550.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( \325Oktober\325, \325November\325, \325December\325] # of the year) 72 538.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -1 11 Q -0.3 (Implicitly continued lines can carry comments. The indentation of the continuation lines is not important.) 72 513.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.53 (Blank continuation lines are allowed. There is no NEWLINE token between implicit continuation lines. Im-) 72 500.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.04 (plicit continued lines can also occur within triple-quoted strings \050see below\051; in that case they cannot carry) 72 487.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +1 11 Q +(Implicitly) 72 513.67 T +(continued) 118.44 513.67 T +(lines) 164.88 513.67 T +(can) 188.71 513.67 T +(carry) 207.02 513.67 T +(comments.) 232.67 513.67 T +(The) 283.69 513.67 T +(indentation) 303.84 513.67 T +(of) 356.39 513.67 T +(the) 368.61 513.67 T +(continuation) 385.1 513.67 T +(lines) 443.15 513.67 T +(is) 466.98 513.67 T +(not) 477.36 513.67 T +(important.) 494.47 513.67 T +(Blank) 72 500.67 T +(continuation) 100.5 500.67 T +(lines) 157.72 500.67 T +(are) 180.73 500.67 T +(allowed.) 196.38 500.67 T +(There) 236.18 500.67 T +(is) 264.05 500.67 T +(no) 273.61 500.67 T +(NEWLINE) 286.83 500.67 T +(token) 339.15 500.67 T +(between) 365.81 500.67 T +(implicit) 404.69 500.67 T +(continuation) 441.14 500.67 T +(lines.) 498.36 500.67 T +(Im-) 524.12 500.67 T +(plicit) 72 487.67 T +(continued) 97.33 487.67 T +(lines) 143.42 487.67 T +(can) 166.91 487.67 T +(also) 184.89 487.67 T +(occur) 205.32 487.67 T +(within) 232.46 487.67 T +(triple-quoted) 263.28 487.67 T +(strings) 322.82 487.67 T +(\050see) 354.86 487.67 T +(below\051;) 375.29 487.67 T +(in) 411.6 487.67 T +(that) 422.87 487.67 T +(case) 442.08 487.67 T +(they) 463.72 487.67 T +(cannot) 485.37 487.67 T +(carry) 517.41 487.67 T (comments.) 72 474.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 12 Q (2.1.6) 72 449 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Blank lines) 117 449 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -1 11 Q --0.4 (A logical line that contains only spaces, tabs, formfeeds, and possibly a comment, is ignored \050i.e., no NEW-) 72 429.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.3 (LINE token is generated\051, except that during interactive input of statements, an entirely blank logical line) 72 416.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +1 11 Q +(A) 72 429.67 T +(logical) 82.29 429.67 T +(line) 114.59 429.67 T +(that) 133.44 429.67 T +(contains) 152.29 429.67 T +(only) 191.3 429.67 T +(spaces,) 213.21 429.67 T +(tabs,) 247.03 429.67 T +(formfeeds,) 269.85 429.67 T +(and) 319.55 429.67 T +(possibly) 337.78 429.67 T +(a) 376.81 429.67 T +(comment,) 384.04 429.67 T +(is) 430.09 429.67 T +(ignored) 439.77 429.67 T +(\050i.e.,) 475.73 429.67 T +(no) 497.94 429.67 T +(NEW-) 511.29 429.67 T +(LINE) 72 416.67 T +(token) 100.1 416.67 T +(is) 127.6 416.67 T +(generated\051,) 137.99 416.67 T +(except) 190.21 416.67 T +(that) 221.97 416.67 T +(during) 241.52 416.67 T +(interactive) 273.3 416.67 T +(input) 322.78 416.67 T +(of) 348.45 416.67 T +(statements,) 360.67 416.67 T +(an) 412.91 416.67 T +(entirely) 426.35 416.67 T +(blank) 463.01 416.67 T +(logical) 490.51 416.67 T +(line) 523.5 416.67 T (\050i.e. one containing not even whitespace or a comment\051 terminates a multi-line statement.) 72 403.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 12 Q (2.1.7) 72 378 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Indentation) 117 378 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q -0.23 (Leading whitespace \050spaces and tabs\051 at the beginning of a logical line is used to compute the indentation) 72 358.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(Leading) 72 358.67 T +(whitespace) 111.03 358.67 T +(\050spaces) 162.88 358.67 T +(and) 198.24 358.67 T +(tabs\051) 217.1 358.67 T +(at) 241.47 358.67 T +(the) 252.39 358.67 T +(beginning) 268.81 358.67 T +(of) 315.8 358.67 T +(a) 327.94 358.67 T +(logical) 335.8 358.67 T +(line) 368.73 358.67 T +(is) 388.21 358.67 T +(used) 398.53 358.67 T +(to) 421.67 358.67 T +(compute) 433.21 358.67 T +(the) 474.08 358.67 T +(indentation) 490.5 358.67 T (level of the line, which in turn is used to determine the grouping of statements.) 72 345.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.26 (First, tabs are replaced \050from left to right\051 by one to eight spaces such that the total number of characters up) 72 320.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.29 (to there is a multiple of eight \050this is intended to be the same rule as used by UNIX\051. The total number of) 72 307.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.24 (spaces preceding the first non-blank character then determines the line\325s indentation. Indentation cannot be) 72 294.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.15 (split over multiple physical lines using backslashes; the whitespace up to the first backslash determines the) 72 281.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(First,) 72 320.67 T +(tabs) 97.41 320.67 T +(are) 117.62 320.67 T +(replaced) 133.54 320.67 T +(\050from) 173.29 320.67 T +(left) 200.83 320.67 T +(to) 217.98 320.67 T +(right\051) 229.03 320.67 T +(by) 255.96 320.67 T +(one) 269.45 320.67 T +(to) 287.82 320.67 T +(eight) 298.87 320.67 T +(spaces) 323.36 320.67 T +(such) 354.56 320.67 T +(that) 377.21 320.67 T +(the) 396.2 320.67 T +(total) 412.13 320.67 T +(number) 434.18 320.67 T +(of) 470.27 320.67 T +(characters) 481.93 320.67 T +(up) 529 320.67 T +(to) 72 307.67 T +(there) 83.6 307.67 T +(is) 108.62 307.67 T +(a) 119 307.67 T +(multiple) 126.93 307.67 T +(of) 166.64 307.67 T +(eight) 178.84 307.67 T +(\050this) 203.88 307.67 T +(is) 226.48 307.67 T +(intended) 236.85 307.67 T +(to) 277.78 307.67 T +(be) 289.37 307.67 T +(the) 302.8 307.67 T +(same) 319.28 307.67 T +(rule) 344.92 307.67 T +(as) 365.07 307.67 T +(used) 377.27 307.67 T +(by) 400.47 307.67 T +(UNIX\051.) 414.51 307.67 T +(The) 451.45 307.67 T +(total) 471.6 307.67 T +(number) 494.19 307.67 T +(of) 530.84 307.67 T +(spaces) 72 294.67 T +(preceding) 103.22 294.67 T +(the) 149.11 294.67 T +(first) 165.07 294.67 T +(non-blank) 185.3 294.67 T +(character) 232.42 294.67 T +(then) 275.24 294.67 T +(determines) 296.7 294.67 T +(the) 347.48 294.67 T +(line\325s) 363.43 294.67 T +(indentation.) 390.39 294.67 T +(Indentation) 445.16 294.67 T +(cannot) 497.77 294.67 T +(be) 529.61 294.67 T +(split) 72 281.67 T +(over) 93.56 281.67 T +(multiple) 115.71 281.67 T +(physical) 154.98 281.67 T +(lines) 194.25 281.67 T +(using) 217.63 281.67 T +(backslashes;) 244.07 281.67 T +(the) 301.66 281.67 T +(whitespace) 317.71 281.67 T +(up) 369.18 281.67 T +(to) 382.79 281.67 T +(the) 393.95 281.67 T +(first) 409.99 281.67 T +(backslash) 430.32 281.67 T +(determines) 475.69 281.67 T +(the) 526.56 281.67 T (indentation.) 72 268.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 4 F --0.25 (Cross-platform compatibility note:) 72 243.67 P -1 F --0.25 ( because of the nature of text editors on non-UNIX platforms, it is un-) 235.26 243.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(Cross-platform) 72 243.67 T +(compatibility) 146.6 243.67 T +(note:) 211.44 243.67 T +1 F +(because) 237.77 243.67 T +(of) 275.08 243.67 T +(the) 286.75 243.67 T +(nature) 302.7 243.67 T +(of) 332.69 243.67 T +(text) 344.35 243.67 T +(editors) 363.36 243.67 T +(on) 395.8 243.67 T +(non-UNIX) 409.31 243.67 T +(platforms,) 459.46 243.67 T +(it) 506.88 243.67 T +(is) 515.5 243.67 T +(un-) 525.34 243.67 T (wise to use a mixture of spaces and tabs for the indentation in a single source file.) 72 230.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.23 (A formfeed character may be present at the start of the line; formfeed characters occurring elsewhere in the) 72 205.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(A) 72 205.67 T +(formfeed) 82.46 205.67 T +(character) 125.3 205.67 T +(may) 168.12 205.67 T +(be) 189.58 205.67 T +(present) 202.48 205.67 T +(at) 236.77 205.67 T +(the) 247.23 205.67 T +(start) 263.19 205.67 T +(of) 284.65 205.67 T +(the) 296.34 205.67 T +(line;) 312.3 205.67 T +(formfeed) 334.38 205.67 T +(characters) 377.21 205.67 T +(occurring) 424.31 205.67 T +(elsewhere) 468.98 205.67 T +(in) 515.48 205.67 T +(the) 526.56 205.67 T (leading whitespace have an undefined effect \050for instance, they may reset the space count to zero\051.) 72 192.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.41 0.06 (The indentation levels of consecutive lines are used to generate INDENT and DEDENT tokens, using a) 72 167.67 B -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(T) 72 167.67 T +(h) 78.78 167.67 T +(e) 84.34 167.67 T +(i) 92.51 167.67 T +(n) 95.63 167.67 T +(d) 101.19 167.67 T +(e) 106.75 167.67 T +(n) 111.7 167.67 T +(t) 117.26 167.67 T +(a) 120.38 167.67 T +(t) 125.33 167.67 T +(i) 128.45 167.67 T +(o) 131.57 167.67 T +(n) 137.13 167.67 T +(l) 145.91 167.67 T +(e) 149.03 167.67 T +(v) 153.98 167.67 T +(e) 159.54 167.67 T +(l) 164.48 167.67 T +(s) 167.6 167.67 T +(o) 175.17 167.67 T +(f) 180.73 167.67 T +(c) 187.68 167.67 T +(o) 192.62 167.67 T +(n) 198.18 167.67 T +(s) 203.74 167.67 T +(e) 208.09 167.67 T +(c) 213.03 167.67 T +(u) 217.98 167.67 T +(t) 223.54 167.67 T +(i) 226.66 167.67 T +(v) 229.78 167.67 T +(e) 235.34 167.67 T +(l) 243.51 167.67 T +(i) 246.63 167.67 T +(n) 249.75 167.67 T +(e) 255.31 167.67 T +(s) 260.25 167.67 T +(a) 267.82 167.67 T +(r) 272.76 167.67 T +(e) 276.49 167.67 T +(u) 284.66 167.67 T +(s) 290.22 167.67 T +(e) 294.56 167.67 T +(d) 299.5 167.67 T +(t) 308.29 167.67 T +(o) 311.41 167.67 T +(g) 320.19 167.67 T +(e) 325.75 167.67 T +(n) 330.7 167.67 T +(e) 336.26 167.67 T +(r) 341.21 167.67 T +(a) 344.93 167.67 T +(t) 349.88 167.67 T +(e) 352.99 167.67 T +(I) 361.17 167.67 T +(N) 364.89 167.67 T +(D) 372.89 167.67 T +(E) 380.9 167.67 T +(N) 387.68 167.67 T +(T) 395.68 167.67 T +(a) 405.69 167.67 T +(n) 410.63 167.67 T +(d) 416.19 167.67 T +(D) 424.98 167.67 T +(E) 432.98 167.67 T +(D) 439.77 167.67 T +(E) 447.77 167.67 T +(N) 454.55 167.67 T +(T) 462.55 167.67 T +(t) 472.56 167.67 T +(o) 475.68 167.67 T +(k) 481.24 167.67 T +(e) 486.8 167.67 T +(n) 491.75 167.67 T +(s) 497.31 167.67 T +(,) 501.65 167.67 T +(u) 507.68 167.67 T +(s) 513.25 167.67 T +(i) 517.59 167.67 T +(n) 520.71 167.67 T +(g) 526.27 167.67 T +(a) 535.05 167.67 T (stack, as follows.) 72 154.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.41 0.03 (Before the first line of the file is read, a single zero is pushed on the stack; this will never be popped off) 72 129.67 B -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.31 (again. The numbers pushed on the stack will always be strictly increasing from bottom to top. At the begin-) 72 116.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.09 (ning of each logical line, the line\325s indentation level is compared to the top of the stack. If it is equal, noth-) 72 103.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.04 (ing happens. If it is larger, it is pushed on the stack, and one INDENT token is generated. If it is smaller, it) 72 90.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(B) 72 129.67 T +(e) 79.36 129.67 T +(f) 84.27 129.67 T +(o) 87.96 129.67 T +(r) 93.49 129.67 T +(e) 97.18 129.67 T +(t) 105.27 129.67 T +(h) 108.36 129.67 T +(e) 113.88 129.67 T +(f) 121.98 129.67 T +(i) 125.67 129.67 T +(r) 128.75 129.67 T +(s) 132.44 129.67 T +(t) 136.74 129.67 T +(l) 143.02 129.67 T +(i) 146.1 129.67 T +(n) 149.18 129.67 T +(e) 154.71 129.67 T +(o) 162.81 129.67 T +(f) 168.33 129.67 T +(t) 175.21 129.67 T +(h) 178.29 129.67 T +(e) 183.82 129.67 T +(f) 191.91 129.67 T +(i) 195.6 129.67 T +(l) 198.69 129.67 T +(e) 201.77 129.67 T +(i) 209.87 129.67 T +(s) 212.95 129.67 T +(r) 220.44 129.67 T +(e) 224.13 129.67 T +(a) 229.04 129.67 T +(d) 233.95 129.67 T +(,) 239.48 129.67 T +(a) 245.44 129.67 T +(s) 253.54 129.67 T +(i) 257.84 129.67 T +(n) 260.93 129.67 T +(g) 266.45 129.67 T +(l) 271.98 129.67 T +(e) 275.06 129.67 T +(z) 283.16 129.67 T +(e) 288.07 129.67 T +(r) 292.98 129.67 T +(o) 296.67 129.67 T +(i) 305.38 129.67 T +(s) 308.46 129.67 T +(p) 315.96 129.67 T +(u) 321.48 129.67 T +(s) 327.01 129.67 T +(h) 331.31 129.67 T +(e) 336.84 129.67 T +(d) 341.75 129.67 T +(o) 350.46 129.67 T +(n) 355.98 129.67 T +(t) 364.7 129.67 T +(h) 367.78 129.67 T +(e) 373.31 129.67 T +(s) 381.41 129.67 T +(t) 385.71 129.67 T +(a) 388.79 129.67 T +(c) 393.7 129.67 T +(k) 398.61 129.67 T +(;) 404.14 129.67 T +(t) 410.41 129.67 T +(h) 413.49 129.67 T +(i) 419.02 129.67 T +(s) 422.1 129.67 T +(w) 429.6 129.67 T +(i) 437.56 129.67 T +(l) 440.65 129.67 T +(l) 443.73 129.67 T +(n) 450 129.67 T +(e) 455.53 129.67 T +(v) 460.44 129.67 T +(e) 465.96 129.67 T +(r) 470.87 129.67 T +(b) 477.75 129.67 T +(e) 483.27 129.67 T +(p) 491.37 129.67 T +(o) 496.9 129.67 T +(p) 502.42 129.67 T +(p) 507.95 129.67 T +(e) 513.47 129.67 T +(d) 518.38 129.67 T +(o) 527.1 129.67 T +(f) 532.62 129.67 T +(f) 536.31 129.67 T +(again.) 72 116.67 T +(The) 101.02 116.67 T +(numbers) 120.56 116.67 T +(pushed) 160.89 116.67 T +(on) 194.49 116.67 T +(the) 207.93 116.67 T +(stack) 223.82 116.67 T +(will) 248.86 116.67 T +(always) 268.42 116.67 T +(be) 301.41 116.67 T +(strictly) 314.23 116.67 T +(increasing) 347.23 116.67 T +(from) 394.88 116.67 T +(bottom) 418.71 116.67 T +(to) 452.32 116.67 T +(top.) 463.32 116.67 T +(At) 482.57 116.67 T +(the) 496.01 116.67 T +(begin-) 511.89 116.67 T +(ning) 72 103.67 T +(of) 94.22 103.67 T +(each) 106.04 103.67 T +(logical) 128.85 103.67 T +(line,) 161.46 103.67 T +(the) 183.37 103.67 T +(line\325s) 199.47 103.67 T +(indentation) 226.57 103.67 T +(level) 278.73 103.67 T +(is) 302.77 103.67 T +(compared) 312.77 103.67 T +(to) 358.8 103.67 T +(the) 370.02 103.67 T +(top) 386.12 103.67 T +(of) 402.84 103.67 T +(the) 414.67 103.67 T +(stack.) 430.77 103.67 T +(If) 458.78 103.67 T +(it) 468.77 103.67 T +(is) 477.55 103.67 T +(equal,) 487.54 103.67 T +(noth-) 516.78 103.67 T +(ing) 72 90.67 T +(happens.) 88.76 90.67 T +(If) 130.27 90.67 T +(it) 140.3 90.67 T +(is) 149.12 90.67 T +(larger,) 159.16 90.67 T +(it) 190.27 90.67 T +(is) 199.1 90.67 T +(pushed) 209.14 90.67 T +(on) 243.01 90.67 T +(the) 256.71 90.67 T +(stack,) 272.86 90.67 T +(and) 300.92 90.67 T +(one) 319.51 90.67 T +(INDENT) 338.1 90.67 T +(token) 381.74 90.67 T +(is) 408.89 90.67 T +(generated.) 418.93 90.67 T +(If) 467.15 90.67 T +(it) 477.18 90.67 T +(is) 486 90.67 T +(smaller,) 496.04 90.67 T +(it) 533.88 90.67 T FMENDPAGE %%EndPage: "4" 10 %%Page: "5" 11 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (5) 535 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 585 292.5 598.5 720 R 5 9 Q -(\245) 0 -90 592.5 720 TF -(Lexical analysis) 0 -90 592.5 711 TF +(\245) 0 270 592.5 720 TF +(Lexical analysis) 0 270 592.5 711 TF 585 292.5 598.5 720 R -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 3 11 Q --0.44 (must) 99 712.67 P -1 F --0.44 ( be one of the numbers occurring on the stack; all numbers on the stack that are larger are popped) 119.78 712.67 P --0.52 (off, and for each number popped off a DEDENT token is generated. At the end of the file, a DEDENT) 99 699.67 P +(must) 99 712.67 T +1 F +(be) 122.09 712.67 T +(one) 134.78 712.67 T +(of) 152.98 712.67 T +(the) 164.45 712.67 T +(numbers) 180.2 712.67 T +(occurring) 220.39 712.67 T +(on) 264.85 712.67 T +(the) 278.16 712.67 T +(stack;) 293.91 712.67 T +(all) 321.89 712.67 T +(numbers) 335.2 712.67 T +(on) 375.39 712.67 T +(the) 388.7 712.67 T +(stack) 404.45 712.67 T +(that) 429.36 712.67 T +(are) 448.17 712.67 T +(larger) 463.91 712.67 T +(are) 491.88 712.67 T +(popped) 507.61 712.67 T +(off,) 99 699.67 T +(and) 116.81 699.67 T +(for) 134.92 699.67 T +(each) 149.98 699.67 T +(number) 172.36 699.67 T +(popped) 208.19 699.67 T +(off) 242.81 699.67 T +(a) 257.86 699.67 T +(DEDENT) 264.98 699.67 T +(token) 311.2 699.67 T +(is) 337.87 699.67 T +(generated.) 347.43 699.67 T +(At) 395.17 699.67 T +(the) 408.4 699.67 T +(end) 424.07 699.67 T +(of) 442.19 699.67 T +(the) 453.58 699.67 T +(file,) 469.25 699.67 T +(a) 488.9 699.67 T +(DEDENT) 496.01 699.67 T (token is generated for each number remaining on the stack that is larger than zero.) 99 686.67 T (Here is an example of a correctly \050though confusingly\051 indented piece of Python code:) 99 667.67 T 2 10 Q @@ -3991,7 +5294,26 @@ FrameNoSep ( r.append\050l[i:i+1] + x\051) 99 426.33 T ( return r # error: inconsistent dedent) 99 414.33 T 1 11 Q --0.49 (\050Actually, the first three errors are detected by the parser; only the last error is found by the lexical an-) 99 389.67 P +(\050Actually,) 99 389.67 T +(the) 145.56 389.67 T +(first) 161.26 389.67 T +(three) 181.25 389.67 T +(errors) 205.5 389.67 T +(are) 233.41 389.67 T +(detected) 249.1 389.67 T +(by) 288.02 389.67 T +(the) 301.28 389.67 T +(parser;) 316.98 389.67 T +(only) 349.18 389.67 T +(the) 371 389.67 T +(last) 386.7 389.67 T +(error) 404.24 389.67 T +(is) 427.88 389.67 T +(found) 437.47 389.67 T +(by) 465.4 389.67 T +(the) 478.66 389.67 T +(lexical) 494.36 389.67 T +(an-) 525.95 389.67 T (alyzer \321 the indentation of) 99 376.67 T 2 F (return r) 222.73 376.67 T @@ -4001,13 +5323,57 @@ FrameNoSep (2.1.8) 99 351 T (Whitespace between tokens) 144 351 T 1 11 Q --0.06 (Except at the beginning of a logical line or in string literals, the whitespace characters space, tab and) 99 325.67 P -0.09 (formfeed can be used interchangeably to separate tokens. Whitespace is needed between two tokens) 99 312.67 P -0.12 (only if their concatenation could otherwise be interpreted as a different token \050e.g.,) 99 299.67 P -2 F -0.29 (ab) 467.77 299.67 P -1 F -0.12 ( is one token,) 480.97 299.67 P +(Except) 99 325.67 T +(at) 132.24 325.67 T +(the) 142.87 325.67 T +(beginning) 159 325.67 T +(of) 205.68 325.67 T +(a) 217.54 325.67 T +(logical) 225.11 325.67 T +(line) 257.74 325.67 T +(or) 276.93 325.67 T +(in) 288.78 325.67 T +(string) 300.03 325.67 T +(literals,) 327.77 325.67 T +(the) 363.15 325.67 T +(whitespace) 379.28 325.67 T +(characters) 430.84 325.67 T +(space,) 478.12 325.67 T +(tab) 507.98 325.67 T +(and) 524.12 325.67 T +(formfeed) 99 312.67 T +(can) 142.15 312.67 T +(be) 160.26 312.67 T +(used) 173.48 312.67 T +(interchangeably) 196.48 312.67 T +(to) 269.57 312.67 T +(separate) 280.96 312.67 T +(tokens.) 319.83 312.67 T +(Whitespace) 354.14 312.67 T +(is) 408.29 312.67 T +(needed) 418.47 312.67 T +(between) 452.45 312.67 T +(two) 491.94 312.67 T +(tokens) 511.28 312.67 T +(only) 99 299.67 T +(if) 121.43 299.67 T +(their) 131.02 299.67 T +(concatenation) 154.06 299.67 T +(could) 218.02 299.67 T +(otherwise) 245.34 299.67 T +(be) 290.98 299.67 T +(interpreted) 304.23 299.67 T +(as) 354.76 299.67 T +(a) 366.79 299.67 T +(different) 374.55 299.67 T +(token) 415.29 299.67 T +(\050e.g.,) 442.6 299.67 T +2 F +(ab) 467.77 299.67 T +1 F +(is) 483.84 299.67 T +(one) 494.05 299.67 T +(token,) 512.81 299.67 T (but) 99 286.67 T 2 F (a) 115.81 286.67 T @@ -4018,28 +5384,61 @@ FrameNoSep (2.2) 99 259.67 T (Other tokens) 135 259.67 T 1 11 Q -0.93 (Besides NEWLINE, INDENT and DEDENT, the following categories of tokens exist:) 99 234.67 P +(Besides) 99 234.67 T +(NEWLINE,) 136.9 234.67 T +(INDENT) 193.43 234.67 T +(and) 238.04 234.67 T +(DEDENT,) 257.6 234.67 T +(the) 308.02 234.67 T +(following) 325.14 234.67 T +(categories) 371.6 234.67 T +(of) 419.87 234.67 T +(tokens) 432.72 234.67 T +(exist:) 465.12 234.67 T 3 F -0.93 (identifiers) 492.63 234.67 P +(identifiers) 492.63 234.67 T 1 F -0.93 (,) 537.25 234.67 P +(,) 537.25 234.67 T 3 F --0.24 (keywords) 99 221.67 P +(keywords) 99 221.67 T 1 F --0.24 (,) 140.55 221.67 P +(,) 140.55 221.67 T 3 F --0.24 (literals) 145.81 221.67 P +(literals) 145.81 221.67 T 1 F --0.24 (,) 176.99 221.67 P +(,) 176.99 221.67 T 3 F --0.24 (operators) 182.25 221.67 P +(operators) 182.25 221.67 T 1 F --0.24 (, and) 225.03 221.67 P +(,) 225.03 221.67 T +(and) 230.29 221.67 T 3 F --0.24 (delimiters) 248.69 221.67 P -1 F --0.24 (. Whitespace characters \050other than line terminators, dis-) 292.69 221.67 P --0.3 (cussed earlier\051 are not tokens, but serve to delimit tokens. Where ambiguity exists, a token comprises) 99 208.67 P +(delimiters) 248.69 221.67 T +1 F +(.) 292.69 221.67 T +(Whitespace) 297.95 221.67 T +(characters) 351.78 221.67 T +(\050other) 398.88 221.67 T +(than) 427.66 221.67 T +(line) 449.12 221.67 T +(terminators,) 468.13 221.67 T +(dis-) 523.5 221.67 T +(cussed) 99 208.67 T +(earlier\051) 130.78 208.67 T +(are) 164.99 208.67 T +(not) 180.88 208.67 T +(tokens,) 197.39 208.67 T +(but) 231.32 208.67 T +(serve) 247.83 208.67 T +(to) 273.49 208.67 T +(delimit) 284.5 208.67 T +(tokens.) 318.13 208.67 T +(Where) 352.06 208.67 T +(ambiguity) 383.83 208.67 T +(exists,) 430.9 208.67 T +(a) 461.16 208.67 T +(token) 468.5 208.67 T +(comprises) 495.39 208.67 T (the longest possible string that forms a legal token when read from left to right.) 99 195.67 T 0 14 Q (2.3) 99 168.67 T @@ -4056,181 +5455,250 @@ FrameNoSep (lowercase: "a"..."z") 99 101.33 T (uppercase: "A"..."Z") 99 89.33 T (digit: "0"..."9") 99 77.33 T -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "5" 11 %%Page: "6" 12 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (6) 76.5 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q (Identifiers are unlimited in length. Case is significant.) 72 712.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 12 Q (2.3.1) 72 687 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Keywords) 117 687 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q -0.38 (The following identifiers are used as reserved words, or) 72 667.67 P +(The) 72 667.67 T +(following) 92.23 667.67 T +(identifiers) 138.14 667.67 T +(are) 185.87 667.67 T +(used) 202.43 667.67 T +(as) 225.72 667.67 T +(reserved) 238.01 667.67 T +(words,) 278.39 667.67 T +(or) 311.16 667.67 T 3 F -0.38 (keywords) 323.45 667.67 P -1 F -0.38 ( of the language, and cannot be used as) 364.99 667.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(keywords) 323.45 667.67 T +1 F +(of) 368.12 667.67 T +(the) 380.41 667.67 T +(language,) 396.98 667.67 T +(and) 442.57 667.67 T +(cannot) 461.58 667.67 T +(be) 494.03 667.67 T +(used) 507.55 667.67 T +(as) 530.84 667.67 T (ordinary identifiers. They must be spelled exactly as written here:) 72 654.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 10 Q (and del for is raise) 72 636.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (assert elif from lambda return) 72 624.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (break else global not try) 72 612.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (class except if or while) 72 600.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (continue exec import pass) 72 588.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (def finally in print) 72 576.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 12 Q (2.3.2) 72 551 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Reserved classes of identifiers) 117 551 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q (Certain classes of identifiers \050besides keywords\051 have special meanings. These are:) 72 525 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (\050XXX need section references here.\051) 72 377.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 14 Q (2.4) 72 350.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Literals) 108 350.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q (Literals are notations for constant values of some built-in types) 72 325.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 12 Q (2.4.1) 72 300 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (String literals) 117 300 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q (String literals are described by the following lexical definitions:) 72 280.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 10 Q (stringliteral: [rawprefix] \050shortstring | longstring\051) 72 262.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (rawprefix: "r" | "R") 72 250.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (shortstring: "\325" shortstringitem* "\325" | \325"\325 shortstringitem* \325"\325) 72 238.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (longstring: "\325\325\325" longstringitem* "\325\325\325" | \325"""\325 longstringitem* \325"""\325) 72 226.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (shortstringitem: shortstringchar | escapeseq) 72 214.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (longstringitem: longstringchar | escapeseq) 72 202.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (shortstringchar: <any ASCII character except "\134" or newline or the quote>) 72 190.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (longstringchar: <any ASCII character except "\134">) 72 178.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (escapeseq: "\134" <any ASCII character>) 72 166.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q -0.21 (In plain English: String literals can be enclosed in single quotes \050\325\051 or double quotes \050"\051. They can also be) 72 141.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.33 (enclosed in groups of three single or double quotes \050these are generally referred to as) 72 128.67 P +(In) 72 141.67 T +(plain) 83.58 141.67 T +(English:) 107.99 141.67 T +(String) 147.08 141.67 T +(literals) 176.38 141.67 T +(can) 208.74 141.67 T +(be) 226.42 141.67 T +(enclosed) 239.22 141.67 T +(in) 280.12 141.67 T +(matching) 291.09 141.67 T +(single) 334.44 141.67 T +(quotes) 363.14 141.67 T +(\050\325\051) 394.27 141.67 T +(or) 407.67 141.67 T +(double) 419.25 141.67 T +(quotes) 451.6 141.67 T +(\050"\051.) 482.74 141.67 T +(They) 499.71 141.67 T +(can) 524.73 141.67 T +(a) 72 128.67 T +(l) 76.98 128.67 T +(s) 80.13 128.67 T +(o) 84.51 128.67 T +(b) 93.36 128.67 T +(e) 98.95 128.67 T +(e) 107.19 128.67 T +(n) 112.17 128.67 T +(c) 117.76 128.67 T +(l) 122.74 128.67 T +(o) 125.9 128.67 T +(s) 131.49 128.67 T +(e) 135.87 128.67 T +(d) 140.85 128.67 T +(i) 149.7 128.67 T +(n) 152.85 128.67 T +(m) 161.7 128.67 T +(a) 170.36 128.67 T +(t) 175.34 128.67 T +(c) 178.49 128.67 T +(h) 183.47 128.67 T +(i) 189.06 128.67 T +(n) 192.21 128.67 T +(g) 197.81 128.67 T +(g) 206.66 128.67 T +(r) 212.26 128.67 T +(o) 216.02 128.67 T +(u) 221.61 128.67 T +(p) 227.21 128.67 T +(s) 232.8 128.67 T +(o) 240.43 128.67 T +(f) 246.03 128.67 T +(t) 253.04 128.67 T +(h) 256.2 128.67 T +(r) 261.79 128.67 T +(e) 265.55 128.67 T +(e) 270.53 128.67 T +(s) 278.77 128.67 T +(i) 283.14 128.67 T +(n) 286.29 128.67 T +(g) 291.89 128.67 T +(l) 297.48 128.67 T +(e) 300.64 128.67 T +(o) 308.87 128.67 T +(r) 314.47 128.67 T +(d) 321.48 128.67 T +(o) 327.08 128.67 T +(u) 332.67 128.67 T +(b) 338.27 128.67 T +(l) 343.86 128.67 T +(e) 347.02 128.67 T +(q) 355.25 128.67 T +(u) 360.85 128.67 T +(o) 366.44 128.67 T +(t) 372.04 128.67 T +(e) 375.19 128.67 T +(s) 380.17 128.67 T +(\050) 387.8 128.67 T +(t) 391.56 128.67 T +(h) 394.71 128.67 T +(e) 400.31 128.67 T +(s) 405.29 128.67 T +(e) 409.66 128.67 T +(a) 417.9 128.67 T +(r) 422.88 128.67 T +(e) 426.63 128.67 T +(g) 434.87 128.67 T +(e) 440.46 128.67 T +(n) 445.44 128.67 T +(e) 451.04 128.67 T +(r) 456.02 128.67 T +(a) 459.78 128.67 T +(l) 464.76 128.67 T +(l) 467.91 128.67 T +(y) 471.06 128.67 T +(r) 479.91 128.67 T +(e) 483.67 128.67 T +(f) 488.65 128.67 T +(e) 492.41 128.67 T +(r) 497.39 128.67 T +(r) 501.15 128.67 T +(e) 504.9 128.67 T +(d) 509.88 128.67 T +(t) 518.74 128.67 T +(o) 521.89 128.67 T +(a) 530.74 128.67 T +(s) 535.72 128.67 T 3 F --0.33 (triple-quoted strings) 443.77 128.67 P -1 F --0.33 (\051.) 533.59 128.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.39 (The backslash \050\134\051 character is used to escape characters that otherwise have a special meaning, such as new-) 72 115.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.41 0.03 (line, backslash itself, or the quote character. String literals may optionally be prefixed with a letter \324r\325 or) 72 102.67 B -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(\324R\325; such strings are called) 72 89.67 T +(triple-quoted) 72 115.67 T +(strings) 131.99 115.67 T +1 F +(\051.) 161.94 115.67 T +(The) 170.9 115.67 T +(backslash) 190.55 115.67 T +(\050\134\051) 235.87 115.67 T +(character) 248.8 115.67 T +(is) 291.65 115.67 T +(used) 301.54 115.67 T +(to) 324.25 115.67 T +(escape) 335.35 115.67 T +(characters) 367.21 115.67 T +(that) 414.34 115.67 T +(otherwise) 433.39 115.67 T +(have) 478.71 115.67 T +(a) 502.02 115.67 T +(special) 509.45 115.67 T +(meaning,) 72 102.67 T +(such) 115 102.67 T +(as) 137.52 102.67 T +(newline,) 149.04 102.67 T +(backslash) 188.98 102.67 T +(itself,) 234.11 102.67 T +(or) 261.22 102.67 T +(the) 272.74 102.67 T +(quote) 288.55 102.67 T +(character.) 315.35 102.67 T +(String) 360.76 102.67 T +(literals) 390.02 102.67 T +(may) 422.32 102.67 T +(optionally) 443.63 102.67 T +(be) 490.6 102.67 T +(prefixed) 503.35 102.67 T +(with) 72 89.67 T +(a) 94.68 89.67 T +(letter) 102.68 89.67 T +(\324r\325) 128.41 89.67 T +(or) 142.51 89.67 T +(\324R\325;) 154.8 89.67 T +(such) 175.64 89.67 T +(strings) 198.92 89.67 T +(are) 231.38 89.67 T +(called) 247.93 89.67 T 3 F -(raw strings) 192.67 89.67 T -1 F -( and use different rules for backslash escape sequences.) 242.49 89.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(raw) 277.32 89.67 T +(strings) 297.55 89.67 T +1 F +(and) 330.62 89.67 T +(use) 349.63 89.67 T +(different) 367.41 89.67 T +(rules) 408.4 89.67 T +(for) 432.91 89.67 T +(backslash) 448.85 89.67 T +(escape) 494.74 89.67 T +(se-) 527.17 89.67 T +(quences.) 72 76.67 T 4 12 Q (T) 132.71 501 T (able 1: Special Meanings of Identi\336ers) 139.61 501 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F (F) 95.09 475 T (orm) 101.58 475 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Meaning) 248.67 475 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 10 Q ( _*) 78 452.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 12 Q (Not imported by) 150 451 T 2 F @@ -4240,25 +5708,15 @@ FrameNoSep 2 F (import) 302.46 451 T (*) 348.66 451 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( __*__) 78 429 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F (System-de\336ned name) 150 429 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 F ( __*) 78 407 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F (Class-pri) 150 407 T (v) 193.03 407 T (ate name mangling) 198.73 407 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 72 490.75 72 399.25 2 L V 0.5 H @@ -4288,45 +5746,55 @@ N 71.75 399 396.25 399 2 L V N -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "6" 12 %%Page: "7" 13 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (7) 535 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 585 292.5 598.5 720 R 5 9 Q -(\245) 0 -90 592.5 720 TF -(Lexical analysis) 0 -90 592.5 711 TF +(\245) 0 270 592.5 720 TF +(Lexical analysis) 0 270 592.5 711 TF 585 292.5 598.5 720 R -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q -0.07 (In \322long strings\323 \050strings surrounded by sets of three quotes\051, unescaped newlines and quotes are al-) 99 712.67 P --0.35 (lowed \050and are retained\051, except that three unescaped quotes in a row terminate the string. \050A \322quote\323) 99 699.67 P +(In) 99 712.67 T +(\322long) 110.99 712.67 T +(strings\323) 138.25 712.67 T +(\050strings) 175.29 712.67 T +(surrounded) 211.12 712.67 T +(by) 263.43 712.67 T +(sets) 277.25 712.67 T +(of) 296.57 712.67 T +(three) 308.56 712.67 T +(quotes\051,) 333.37 712.67 T +(unescaped) 371.33 712.67 T +(newlines) 419.96 712.67 T +(and) 461.89 712.67 T +(quotes) 480.6 712.67 T +(are) 512.14 712.67 T +(al-) 528.4 712.67 T +(lowed) 99 699.67 T +(\050and) 128.28 699.67 T +(are) 150.23 699.67 T +(retained\051,) 166.06 699.67 T +(except) 210.31 699.67 T +(that) 241.42 699.67 T +(three) 260.32 699.67 T +(unescaped) 284.7 699.67 T +(quotes) 332.92 699.67 T +(in) 364.04 699.67 T +(a) 375 699.67 T +(row) 382.28 699.67 T +(terminate) 401.79 699.67 T +(the) 445.73 699.67 T +(string.) 461.58 699.67 T +(\050A) 491.78 699.67 T +(\322quote\323) 505.79 699.67 T (is the character used to open the string, i.e. either) 99 686.67 T 2 F (\325) 317.43 686.67 T @@ -4336,183 +5804,361 @@ FrameNoSep (") 338.69 686.67 T 1 F (.\051) 345.29 686.67 T -0.41 0.01 (Unless an \324r\325 or \324R\325 prefix is present, escape sequences in strings are interpreted according to rules) 99 661.67 B +(U) 99 661.67 T +(n) 106.95 661.67 T +(l) 112.46 661.67 T +(e) 115.53 661.67 T +(s) 120.42 661.67 T +(s) 124.71 661.67 T +(a) 132.17 661.67 T +(n) 137.06 661.67 T +(\324) 145.74 661.67 T +(r) 149.41 661.67 T +(\325) 153.09 661.67 T +(o) 159.93 661.67 T +(r) 165.44 661.67 T +(\324) 172.28 661.67 T +(R) 175.96 661.67 T +(\325) 183.3 661.67 T +(p) 190.15 661.67 T +(r) 195.65 661.67 T +(e) 199.33 661.67 T +(f) 204.22 661.67 T +(i) 207.89 661.67 T +(x) 210.96 661.67 T +(i) 219.64 661.67 T +(s) 222.71 661.67 T +(p) 230.17 661.67 T +(r) 235.68 661.67 T +(e) 239.35 661.67 T +(s) 244.24 661.67 T +(e) 248.53 661.67 T +(n) 253.42 661.67 T +(t) 258.93 661.67 T +(,) 262 661.67 T +(e) 267.93 661.67 T +(s) 272.82 661.67 T +(c) 277.11 661.67 T +(a) 282 661.67 T +(p) 286.9 661.67 T +(e) 292.41 661.67 T +(s) 300.47 661.67 T +(e) 304.76 661.67 T +(q) 309.65 661.67 T +(u) 315.16 661.67 T +(e) 320.67 661.67 T +(n) 325.56 661.67 T +(c) 331.07 661.67 T +(e) 335.97 661.67 T +(s) 340.86 661.67 T +(i) 348.32 661.67 T +(n) 351.39 661.67 T +(s) 360.07 661.67 T +(t) 364.36 661.67 T +(r) 367.42 661.67 T +(i) 371.1 661.67 T +(n) 374.16 661.67 T +(g) 379.67 661.67 T +(s) 385.18 661.67 T +(a) 392.64 661.67 T +(r) 397.53 661.67 T +(e) 401.2 661.67 T +(i) 409.27 661.67 T +(n) 412.34 661.67 T +(t) 417.85 661.67 T +(e) 420.91 661.67 T +(r) 425.81 661.67 T +(p) 429.48 661.67 T +(r) 434.99 661.67 T +(e) 438.66 661.67 T +(t) 443.55 661.67 T +(e) 446.62 661.67 T +(d) 451.51 661.67 T +(a) 460.19 661.67 T +(c) 465.09 661.67 T +(c) 469.98 661.67 T +(o) 474.87 661.67 T +(r) 480.38 661.67 T +(d) 484.05 661.67 T +(i) 489.56 661.67 T +(n) 492.63 661.67 T +(g) 498.14 661.67 T +(t) 506.82 661.67 T +(o) 509.89 661.67 T +(r) 518.57 661.67 T +(u) 522.24 661.67 T +(l) 527.75 661.67 T +(e) 530.82 661.67 T +(s) 535.71 661.67 T (similar to those used by Standard C. The recognized escape sequences are:) 99 648.67 T --0.24 (In strict compatibility with Standard C, up to three octal digits are accepted, but an unlimited number) 99 281.67 P --0.12 (of hex digits is taken to be part of the hex escape \050and then the lower 8 bits of the resulting hex num-) 99 268.67 P +(In) 99 281.67 T +(strict) 110.67 281.67 T +(compatibility) 135.18 281.67 T +(with) 196.37 281.67 T +(Standard) 218.43 281.67 T +(C,) 260.05 281.67 T +(up) 272.64 281.67 T +(to) 286.15 281.67 T +(three) 297.22 281.67 T +(octal) 321.72 281.67 T +(digits) 345.61 281.67 T +(are) 372.57 281.67 T +(accepted,) 388.51 281.67 T +(but) 432.25 281.67 T +(an) 448.82 281.67 T +(unlimited) 461.71 281.67 T +(number) 506.39 281.67 T +(of) 99 268.67 T +(hex) 110.79 268.67 T +(digits) 129.31 268.67 T +(is) 156.4 268.67 T +(taken) 166.37 268.67 T +(to) 192.82 268.67 T +(be) 204.01 268.67 T +(part) 217.03 268.67 T +(of) 236.77 268.67 T +(the) 248.56 268.67 T +(hex) 264.63 268.67 T +(escape) 283.15 268.67 T +(\050and) 315.1 268.67 T +(then) 337.28 268.67 T +(the) 358.85 268.67 T +(lower) 374.92 268.67 T +(8) 402.6 268.67 T +(bits) 410.73 268.67 T +(of) 429.26 268.67 T +(the) 441.06 268.67 T +(resulting) 457.13 268.67 T +(hex) 498.26 268.67 T +(num-) 516.78 268.67 T (ber are used in all current implementations...\051.) 99 255.67 T --0.21 (Unlike Standard C, all unrecognized escape sequences are left in the string unchanged, i.e.,) 99 230.67 P +(Unlike) 99 230.67 T +(Standard) 131.48 230.67 T +(C,) 173.12 230.67 T +(all) 185.75 230.67 T +(unrecognized) 199.29 230.67 T +(escape) 261.08 230.67 T +(sequences) 292.94 230.67 T +(are) 340.07 230.67 T +(left) 356.04 230.67 T +(in) 373.24 230.67 T +(the) 384.34 230.67 T +(string) 400.32 230.67 T +(unchanged,) 427.92 230.67 T +(i.e.,) 480.86 230.67 T 3 F --0.21 (the back-) 499.59 230.67 P --0.39 (slash is left in the string.) 99 217.67 P -1 F --0.39 ( \050This behavior is useful when debugging: if an escape sequence is mistyped,) 205.24 217.67 P +(the) 499.59 230.67 T +(back-) 515.57 230.67 T +(slash) 99 217.67 T +(is) 123.98 217.67 T +(left) 133.68 217.67 T +(in) 150.1 217.67 T +(the) 161.02 217.67 T +(string.) 176.82 217.67 T +1 F +(\050This) 207.6 217.67 T +(behavior) 233.19 217.67 T +(is) 274.04 217.67 T +(useful) 283.74 217.67 T +(when) 312.98 217.67 T +(debugging:) 339.17 217.67 T +(if) 391.03 217.67 T +(an) 400.11 217.67 T +(escape) 412.86 217.67 T +(sequence) 444.54 217.67 T +(is) 487.21 217.67 T +(mistyped,) 496.91 217.67 T (the resulting output is more easily recognized as broken.\051) 99 204.67 T --0.04 (When an \324r\325 or \324R\325 prefix is present,) 99 179.67 P +(When) 99 179.67 T +(an) 128.39 179.67 T +(\324r\325) 141.89 179.67 T +(or) 156 179.67 T +(\324R\325) 168.28 179.67 T +(prefix) 186.07 179.67 T +(is) 215.46 179.67 T +(present,) 225.91 179.67 T +(backslashes) 263.55 179.67 T +(are) 318.6 179.67 T +(still) 335.15 179.67 T +(used) 354.78 179.67 T +(to) 378.07 179.67 T +(quote) 389.74 179.67 T +(the) 417.31 179.67 T +(following) 433.87 179.67 T +(character,) 479.77 179.67 T +(but) 525.94 179.67 T 3 F --0.04 (all backslashes are left in the string.) 260.26 179.67 P -1 F --0.04 ( For example, the string lit-) 419.82 179.67 P --0.29 (eral) 99 166.67 P -2 F --0.7 (r"\134n") 117.95 166.67 P -1 F --0.29 ( consists of two characters: a backslash and a lowercase \324n\325. String quotes can be escaped) 150.95 166.67 P --0.1 (with a backslash, but the backslash remains in the string; for example,) 99 153.67 P -2 F --0.24 (r"\134"") 408.81 153.67 P -1 F --0.1 ( is a valid string literal) 441.81 153.67 P -(consisting of two characters: a backslash and a double quote.) 99 140.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(all) 99 166.67 T +(backslashes) 112.93 166.67 T +(are) 167.8 166.67 T +(left) 184.78 166.67 T +(in) 201.16 166.67 T +(the) 212.03 166.67 T +(string.) 227.79 166.67 T +1 F +(For) 258.54 166.67 T +(example,) 276.13 166.67 T +(the) 318.47 166.67 T +(string) 334.23 166.67 T +(literal) 361.61 166.67 T +2 F +(r"\134n") 389.59 166.67 T +1 F +(consists) 424.9 166.67 T +(of) 462.06 166.67 T +(two) 473.54 166.67 T +(characters:) 492.36 166.67 T +(a) 99 153.67 T +(backslash) 106.5 153.67 T +(and) 151.89 153.67 T +(a) 170.39 153.67 T +(lowercase) 177.89 153.67 T +(\324n\325.) 224.49 153.67 T +(String) 242.68 153.67 T +(quotes) 272.19 153.67 T +(can) 303.53 153.67 T +(be) 321.42 153.67 T +(escaped) 334.42 153.67 T +(with) 371.85 153.67 T +(a) 394.03 153.67 T +(backslash,) 401.53 153.67 T +(but) 449.67 153.67 T +(the) 466.34 153.67 T +(backslash) 482.4 153.67 T +(re-) 527.79 153.67 T +(mains) 99 140.67 T +(in) 128.02 140.67 T +(the) 139.32 140.67 T +(string;) 155.5 140.67 T +(for) 186.36 140.67 T +(example,) 201.92 140.67 T +2 F +(r"\134"") 244.68 140.67 T +1 F +(is) 280.42 140.67 T +(a) 290.5 140.67 T +(valid) 298.12 140.67 T +(string) 322.86 140.67 T +(literal) 350.66 140.67 T +(consisting) 379.06 140.67 T +(of) 426.42 140.67 T +(two) 438.32 140.67 T +(characters:) 457.56 140.67 T +(a) 507.94 140.67 T +(back-) 515.57 140.67 T +(slash) 99 127.67 T +(and) 124.1 127.67 T +(a) 143.09 127.67 T +(double) 151.07 127.67 T +(quote;) 184.12 127.67 T +2 F +(r"\134") 214.72 127.67 T +1 F +(is) 244.23 127.67 T +(not) 254.66 127.67 T +(a) 271.83 127.67 T +(value) 279.81 127.67 T +(string) 306.74 127.67 T +(literal) 334.9 127.67 T +(\050even) 363.67 127.67 T +(a) 391.2 127.67 T +(raw) 399.18 127.67 T +(string) 418.78 127.67 T +(cannot) 446.94 127.67 T +(end) 479.37 127.67 T +(in) 498.35 127.67 T +(an) 510.01 127.67 T +(odd) 523.5 127.67 T +(number of backslashes\051.) 99 114.67 T 4 12 Q (T) 188.55 625 T (able 2: Escape Sequences) 195.45 625 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F (Escape Sequence) 109.27 599 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Meaning) 286.92 599 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 F (\134) 105 575 T 3 F (ne) 112.2 575 T (wline) 123.35 575 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F ( Ignored) 208.5 575 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 F (\134\134) 105 553 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F ( Backslash \050) 208.5 553 T 2 F (\134) 267.16 553 T 1 F (\051) 274.36 553 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 F (\134\325) 105 531 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F ( Single quote \050) 208.5 531 T 2 F (\325) 278.83 531 T 1 F (\051) 286.03 531 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 F (\134") 105 509 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F ( Double quote \050) 208.5 509 T 2 F (") 283.49 509 T 1 F (\051) 290.69 509 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 F (\134a) 105 487 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F ( ASCII Bell \050BEL\051) 208.5 487 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 F (\134b) 105 465 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F ( ASCII Backspace \050BS\051) 208.5 465 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 F (\134f) 105 443 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F ( ASCII F) 208.5 443 T (ormfeed \050FF\051) 252.32 443 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 F (\134n) 105 421 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F ( ASCII Linefeed \050LF\051) 208.5 421 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 F (\134r) 105 399 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F ( ASCII Carriage Return \050CR\051) 208.5 399 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 F (\134t) 105 377 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F ( ASCII Horizontal T) 208.5 377 T (ab \050T) 306.53 377 T (AB\051) 331.07 377 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 F (\134v) 105 355 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F ( ASCII V) 208.5 355 T (ertical T) 253.16 355 T (ab \050VT\051) 292.52 355 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 F (\134) 105 333 T 3 F (ooo) 112.2 333 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F ( ASCII character with octal v) 208.5 333 T (alue) 349.16 333 T 3 F (ooo) 372.16 333 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 F (\134x) 105 311 T 3 F (xx...) 119.4 311 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F ( ASCII character with he) 208.5 311 T (x v) 328.28 311 T (alue) 342.98 311 T 3 F (xx...) 365.98 311 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 99 614.75 99 303.25 2 L V 0.5 H @@ -4572,65 +6218,269 @@ N 98.75 303 414.25 303 2 L V N -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "7" 13 %%Page: "8" 14 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (8) 76.5 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 11 Q (2.4.1.1) 76.5 712.67 T (String literal concatenation) 121.5 712.67 T 1 F -0.21 (Multiple adjacent string literals \050delimited by whitespace\051, possibly using different quoting conven-) 76.5 687.67 P --0.02 (tions, are allowed, and their meaning is the same as their concatenation. Thus,) 76.5 674.67 P -2 F --0.05 ("hello") 422.37 674.67 P --0.05 (\325world\325) 471.3 674.67 P -1 F -0.41 0.12 (is equivalent to) 76.5 661.67 B -2 F -0.99 0.12 ("helloworld") 149.81 661.67 B -1 F -0.41 0.12 (. This feature can be used to reduce the number of backslashes) 230.49 661.67 B -0.41 0.15 (needed, to split long strings conveniently across long lines, or even to add comments to parts of) 76.5 648.67 B +(Multiple) 76.5 687.67 T +(adjacent) 117.35 687.67 T +(string) 156.96 687.67 T +(literals) 184.97 687.67 T +(\050delimited) 217.87 687.67 T +(by) 266.05 687.67 T +(whitespace\051,) 280 687.67 T +(possibly) 338.24 687.67 T +(using) 377.88 687.67 T +(different) 404.67 687.67 T +(quoting) 445.5 687.67 T +(conven-) 482.07 687.67 T +(tions,) 76.5 674.67 T +(are) 103.38 674.67 T +(allowed,) 119.54 674.67 T +(and) 159.84 674.67 T +(their) 178.45 674.67 T +(meaning) 201.35 674.67 T +(is) 241.96 674.67 T +(the) 252.03 674.67 T +(same) 268.2 674.67 T +(as) 293.53 674.67 T +(their) 305.42 674.67 T +(concatenation.) 328.32 674.67 T +(Thus,) 394.89 674.67 T +2 F +("hello") 422.37 674.67 T +(\325world\325) 471.3 674.67 T +1 F +(i) 76.5 661.67 T +(s) 79.68 661.67 T +(e) 87.37 661.67 T +(q) 92.38 661.67 T +(u) 98 661.67 T +(i) 103.62 661.67 T +(v) 106.81 661.67 T +(a) 112.43 661.67 T +(l) 117.44 661.67 T +(e) 120.62 661.67 T +(n) 125.63 661.67 T +(t) 131.25 661.67 T +(t) 137.72 661.67 T +(o) 140.9 661.67 T +2 F +(") 149.81 661.67 T +(h) 156.53 661.67 T +(e) 163.26 661.67 T +(l) 169.98 661.67 T +(l) 176.71 661.67 T +(o) 183.43 661.67 T +(w) 190.15 661.67 T +(o) 196.88 661.67 T +(r) 203.6 661.67 T +(l) 210.32 661.67 T +(d) 217.05 661.67 T +(") 223.77 661.67 T +1 F +(.) 230.49 661.67 T +(T) 236.65 661.67 T +(h) 243.5 661.67 T +(i) 249.12 661.67 T +(s) 252.3 661.67 T +(f) 259.99 661.67 T +(e) 263.78 661.67 T +(a) 268.79 661.67 T +(t) 273.8 661.67 T +(u) 276.98 661.67 T +(r) 282.6 661.67 T +(e) 286.39 661.67 T +(c) 294.68 661.67 T +(a) 299.69 661.67 T +(n) 304.7 661.67 T +(b) 313.61 661.67 T +(e) 319.23 661.67 T +(u) 327.52 661.67 T +(s) 333.15 661.67 T +(e) 337.55 661.67 T +(d) 342.56 661.67 T +(t) 351.47 661.67 T +(o) 354.65 661.67 T +(r) 363.56 661.67 T +(e) 367.35 661.67 T +(d) 372.35 661.67 T +(u) 377.98 661.67 T +(c) 383.6 661.67 T +(e) 388.61 661.67 T +(t) 396.9 661.67 T +(h) 400.08 661.67 T +(e) 405.71 661.67 T +(n) 414 661.67 T +(u) 419.62 661.67 T +(m) 425.25 661.67 T +(b) 433.93 661.67 T +(e) 439.55 661.67 T +(r) 444.56 661.67 T +(o) 451.64 661.67 T +(f) 457.26 661.67 T +(b) 464.33 661.67 T +(a) 469.95 661.67 T +(c) 474.96 661.67 T +(k) 479.97 661.67 T +(s) 485.59 661.67 T +(l) 490 661.67 T +(a) 493.18 661.67 T +(s) 498.19 661.67 T +(h) 502.59 661.67 T +(e) 508.21 661.67 T +(s) 513.22 661.67 T +(n) 76.5 648.67 T +(e) 82.15 648.67 T +(e) 87.18 648.67 T +(d) 92.21 648.67 T +(e) 97.85 648.67 T +(d) 102.88 648.67 T +(,) 108.53 648.67 T +(t) 114.73 648.67 T +(o) 117.93 648.67 T +(s) 126.89 648.67 T +(p) 131.31 648.67 T +(l) 136.96 648.67 T +(i) 140.16 648.67 T +(t) 143.37 648.67 T +(l) 149.88 648.67 T +(o) 153.08 648.67 T +(n) 158.73 648.67 T +(g) 164.37 648.67 T +(s) 173.33 648.67 T +(t) 177.75 648.67 T +(r) 180.96 648.67 T +(i) 184.76 648.67 T +(n) 187.97 648.67 T +(g) 193.61 648.67 T +(s) 199.26 648.67 T +(c) 206.99 648.67 T +(o) 212.02 648.67 T +(n) 217.67 648.67 T +(v) 223.31 648.67 T +(e) 228.96 648.67 T +(n) 233.99 648.67 T +(i) 239.63 648.67 T +(e) 242.84 648.67 T +(n) 247.87 648.67 T +(t) 253.51 648.67 T +(l) 256.72 648.67 T +(y) 259.92 648.67 T +(a) 268.88 648.67 T +(c) 273.9 648.67 T +(r) 278.93 648.67 T +(o) 282.74 648.67 T +(s) 288.39 648.67 T +(s) 292.81 648.67 T +(l) 300.55 648.67 T +(o) 303.75 648.67 T +(n) 309.4 648.67 T +(g) 315.04 648.67 T +(l) 324 648.67 T +(i) 327.2 648.67 T +(n) 330.4 648.67 T +(e) 336.05 648.67 T +(s) 341.08 648.67 T +(,) 345.5 648.67 T +(o) 351.71 648.67 T +(r) 357.35 648.67 T +(e) 364.47 648.67 T +(v) 369.5 648.67 T +(e) 375.15 648.67 T +(n) 380.18 648.67 T +(t) 389.13 648.67 T +(o) 392.33 648.67 T +(a) 401.29 648.67 T +(d) 406.32 648.67 T +(d) 411.96 648.67 T +(c) 420.92 648.67 T +(o) 425.95 648.67 T +(m) 431.59 648.67 T +(m) 440.3 648.67 T +(e) 449 648.67 T +(n) 454.03 648.67 T +(t) 459.67 648.67 T +(s) 462.88 648.67 T +(t) 470.61 648.67 T +(o) 473.82 648.67 T +(p) 482.77 648.67 T +(a) 488.42 648.67 T +(r) 493.45 648.67 T +(t) 497.25 648.67 T +(s) 500.46 648.67 T +(o) 508.19 648.67 T +(f) 513.84 648.67 T (strings, for example:) 76.5 635.67 T 2 10 Q (regex.compile\050"[A-Za-z_]" # letter or underscore) 76.5 617.33 T ( "[A-Za-z0-9_]*" # letter, digit or underscore) 76.5 605.33 T ( \051) 76.5 593.33 T 1 11 Q --0.32 (Note that this feature is defined at the syntactical level, but implemented at compile time. The \324+\325 op-) 76.5 568.67 P --0.17 (erator must be used to concatenate string expressions at run time. Also note that literal concatenation) 76.5 555.67 P +(Note) 76.5 568.67 T +(that) 100.31 568.67 T +(this) 119.24 568.67 T +(feature) 137.57 568.67 T +(is) 170.53 568.67 T +(defined) 180.3 568.67 T +(at) 215.72 568.67 T +(the) 226.09 568.67 T +(syntactical) 241.96 568.67 T +(level,) 291.44 568.67 T +(but) 318 568.67 T +(implemented) 334.49 568.67 T +(at) 394.36 568.67 T +(compile) 404.73 568.67 T +(time.) 442.61 568.67 T +(The) 467.34 568.67 T +(\324+\325) 486.88 568.67 T +(op-) 502.84 568.67 T +(erator) 76.5 555.67 T +(must) 104.73 555.67 T +(be) 128.7 555.67 T +(used) 141.66 555.67 T +(to) 164.4 555.67 T +(concatenate) 175.54 555.67 T +(string) 230.03 555.67 T +(expressions) 257.67 555.67 T +(at) 311.57 555.67 T +(run) 322.09 555.67 T +(time.) 339.33 555.67 T +(Also) 364.21 555.67 T +(note) 387.57 555.67 T +(that) 409.09 555.67 T +(literal) 428.17 555.67 T +(concatenation) 456.41 555.67 T (can use different quoting styles for each component.) 76.5 542.67 T 0 12 Q (2.4.2) 76.5 517 T (Numeric literals) 121.5 517 T 1 11 Q -0.97 (There are four types of numeric literals: plain integers, long integers, floating point numbers, and) 76.5 497.67 P +(There) 76.5 497.67 T +(are) 105.87 497.67 T +(four) 123.03 497.67 T +(types) 145.07 497.67 T +(of) 172.01 497.67 T +(numeric) 184.9 497.67 T +(literals:) 224.67 497.67 T +(plain) 261.39 497.67 T +(integers,) 287.11 497.67 T +(long) 328.4 497.67 T +(integers,) 351.68 497.67 T +(floating) 392.98 497.67 T +(point) 430.92 497.67 T +(numbers,) 457.26 497.67 T +(and) 501.62 497.67 T (imaginary numbers.) 76.5 484.67 T 0 F (2.4.2.1) 76.5 462.67 T @@ -4647,11 +6497,74 @@ FrameNoSep (octdigit: "0"..."7") 76.5 347.33 T (hexdigit: digit|"a"..."f"|"A"..."F") 76.5 335.33 T 1 11 Q --0.03 (Although both lower case \324l\325 and upper case \324L\325 are allowed as suffix for long integers, it is strongly) 76.5 310.67 P +(Although) 76.5 310.67 T +(both) 120.78 310.67 T +(lower) 143.07 310.67 T +(case) 170.84 310.67 T +(\324l\325) 192.5 310.67 T +(and) 205.6 310.67 T +(upper) 224.21 310.67 T +(case) 251.99 310.67 T +(\324L\325) 273.64 310.67 T +(are) 290.42 310.67 T +(allowed) 306.57 310.67 T +(as) 344.12 310.67 T +(suffix) 356.01 310.67 T +(for) 384.4 310.67 T +(long) 399.95 310.67 T +(integers,) 422.24 310.67 T +(it) 462.54 310.67 T +(is) 471.38 310.67 T +(strongly) 481.44 310.67 T (recommended to always use \324L\325, since the letter \324l\325 looks too much like the digit \3241\325.) 76.5 297.67 T --0.24 (Plain integer decimal literals must be at most 2147483647 \050i.e., the largest positive integer, using 32-) 76.5 272.67 P --0.23 (bit arithmetic\051. Plain octal and hexadecimal literals may be as large as 4294967295, but values larger) 76.5 259.67 P --0.05 (than 2147483647 are converted to a negative value by subtracting 4294967296. There is no limit for) 76.5 246.67 P +(Plain) 76.5 272.67 T +(integer) 101.63 272.67 T +(decimal) 134.69 272.67 T +(literals) 172.03 272.67 T +(must) 204.48 272.67 T +(be) 228.39 272.67 T +(at) 241.29 272.67 T +(most) 251.74 272.67 T +(2147483647) 275.65 272.67 T +(\050i.e.,) 333.17 272.67 T +(the) 355.53 272.67 T +(largest) 371.49 272.67 T +(positive) 403.33 272.67 T +(integer,) 440.68 272.67 T +(using) 476.49 272.67 T +(32-) 502.84 272.67 T +(bit) 76.5 259.67 T +(arithmetic\051.) 90.63 259.67 T +(Plain) 144.17 259.67 T +(octal) 169.3 259.67 T +(and) 193.2 259.67 T +(hexadecimal) 211.6 259.67 T +(literals) 269.71 259.67 T +(may) 302.17 259.67 T +(be) 323.62 259.67 T +(as) 336.52 259.67 T +(large) 348.2 259.67 T +(as) 372.71 259.67 T +(4294967295,) 384.39 259.67 T +(but) 444.65 259.67 T +(values) 461.23 259.67 T +(larger) 491.85 259.67 T +(than) 76.5 246.67 T +(2147483647) 98.14 246.67 T +(are) 155.84 246.67 T +(converted) 171.97 246.67 T +(to) 218.04 246.67 T +(a) 229.3 246.67 T +(negative) 236.88 246.67 T +(value) 276.85 246.67 T +(by) 303.37 246.67 T +(subtracting) 317.07 246.67 T +(4294967296.) 368.65 246.67 T +(There) 429.1 246.67 T +(is) 457.45 246.67 T +(no) 467.49 246.67 T +(limit) 481.18 246.67 T +(for) 504.67 246.67 T (long integer literals apart from what can be stored in available memory.) 76.5 233.67 T (Some examples of plain and long integer literals:) 76.5 208.67 T 2 10 Q @@ -4667,48 +6580,121 @@ FrameNoSep (pointfloat: [intpart] fraction | intpart ".") 76.5 101.33 T (exponentfloat: \050intpart | pointfloat\051 exponent) 76.5 89.33 T (intpart: nonzerodigit digit* | "0") 76.5 77.33 T -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "8" 14 %%Page: "9" 15 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (9) 535 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 585 292.5 598.5 720 R 5 9 Q -(\245) 0 -90 592.5 720 TF -(Lexical analysis) 0 -90 592.5 711 TF +(\245) 0 270 592.5 720 TF +(Lexical analysis) 0 270 592.5 711 TF 585 292.5 598.5 720 R -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 10 Q (fraction: "." digit+) 99 713.33 T (exponent: \050"e"|"E"\051 ["+"|"-"] digit+) 99 701.33 T 1 11 Q -0.41 0.01 (Note that the integer part of a floating point number cannot look like an octal integer. The allowed) 99 676.67 B -0.22 (range of floating point literals is implementation-dependent. Some examples of floating point liter-) 99 663.67 P +(N) 99 676.67 T +(o) 106.96 676.67 T +(t) 112.47 676.67 T +(e) 115.54 676.67 T +(t) 123.62 676.67 T +(h) 126.69 676.67 T +(a) 132.2 676.67 T +(t) 137.1 676.67 T +(t) 143.35 676.67 T +(h) 146.42 676.67 T +(e) 151.93 676.67 T +(i) 160.01 676.67 T +(n) 163.08 676.67 T +(t) 168.6 676.67 T +(e) 171.67 676.67 T +(g) 176.57 676.67 T +(e) 182.08 676.67 T +(r) 186.98 676.67 T +(p) 193.83 676.67 T +(a) 199.35 676.67 T +(r) 204.24 676.67 T +(t) 207.92 676.67 T +(o) 214.17 676.67 T +(f) 219.68 676.67 T +(a) 226.54 676.67 T +(f) 234.61 676.67 T +(l) 238.29 676.67 T +(o) 241.36 676.67 T +(a) 246.88 676.67 T +(t) 251.77 676.67 T +(i) 254.85 676.67 T +(n) 257.92 676.67 T +(g) 263.43 676.67 T +(p) 272.12 676.67 T +(o) 277.64 676.67 T +(i) 283.15 676.67 T +(n) 286.22 676.67 T +(t) 291.73 676.67 T +(n) 297.98 676.67 T +(u) 303.5 676.67 T +(m) 309.01 676.67 T +(b) 317.58 676.67 T +(e) 323.1 676.67 T +(r) 328 676.67 T +(c) 334.85 676.67 T +(a) 339.75 676.67 T +(n) 344.65 676.67 T +(n) 350.16 676.67 T +(o) 355.67 676.67 T +(t) 361.19 676.67 T +(l) 367.44 676.67 T +(o) 370.51 676.67 T +(o) 376.02 676.67 T +(k) 381.54 676.67 T +(l) 390.23 676.67 T +(i) 393.3 676.67 T +(k) 396.37 676.67 T +(e) 401.89 676.67 T +(a) 409.96 676.67 T +(n) 414.86 676.67 T +(o) 423.55 676.67 T +(c) 429.06 676.67 T +(t) 433.96 676.67 T +(a) 437.03 676.67 T +(l) 441.93 676.67 T +(i) 448.18 676.67 T +(n) 451.25 676.67 T +(t) 456.77 676.67 T +(e) 459.84 676.67 T +(g) 464.73 676.67 T +(e) 470.25 676.67 T +(r) 475.15 676.67 T +(.) 478.82 676.67 T +(T) 484.77 676.67 T +(h) 491.5 676.67 T +(e) 497.01 676.67 T +(a) 505.09 676.67 T +(l) 509.99 676.67 T +(l) 513.06 676.67 T +(o) 516.13 676.67 T +(w) 521.64 676.67 T +(e) 529.6 676.67 T +(d) 534.5 676.67 T +(range) 99 663.67 T +(of) 126.4 663.67 T +(floating) 138.54 663.67 T +(point) 175.73 663.67 T +(literals) 201.31 663.67 T +(is) 234.23 663.67 T +(implementation-dependent.) 244.53 663.67 T +(Some) 371.16 663.67 T +(examples) 399.19 663.67 T +(of) 443.7 663.67 T +(floating) 455.84 663.67 T +(point) 493.03 663.67 T +(liter-) 518.61 663.67 T (als:) 99 650.67 T 2 10 Q (3.14 10. .001 1e100 3.14e-10) 99 632.33 T @@ -4720,22 +6706,86 @@ FrameNoSep 2 10 Q (imagnumber: \050floatnumber | intpart\051 \050"j"|"J"\051) 99 567.33 T 1 11 Q -0.3 (An imaginary literals yields a complex number with a real part of 0.0. Complex numbers are repre-) 99 542.67 P -0.28 (sented as a pair of floating point numbers and have the same restrictions on their range. To create a) 99 529.67 P --0.19 (complex number with a nonzero real part, add a floating point number to it, e.g.) 99 516.67 P -2 F --0.46 (\0503+4j\051.) 449.58 516.67 P -1 F --0.19 ( Some ex-) 495.78 516.67 P +(An) 99 542.67 T +(imaginary) 115.49 542.67 T +(literals) 163.14 542.67 T +(yields) 196.13 542.67 T +(a) 225.46 542.67 T +(complex) 233.39 542.67 T +(number) 274.32 542.67 T +(with) 310.97 542.67 T +(a) 333.57 542.67 T +(real) 341.51 542.67 T +(part) 361.04 542.67 T +(of) 381.19 542.67 T +(0.0.) 393.4 542.67 T +(Complex) 412.95 542.67 T +(numbers) 456.33 542.67 T +(are) 497.26 542.67 T +(repre-) 513.74 542.67 T +(sented) 99 529.67 T +(as) 130.14 529.67 T +(a) 142.33 529.67 T +(pair) 150.25 529.67 T +(of) 170.38 529.67 T +(floating) 182.58 529.67 T +(point) 219.83 529.67 T +(numbers) 245.48 529.67 T +(and) 286.39 529.67 T +(have) 305.31 529.67 T +(the) 329.11 529.67 T +(same) 345.58 529.67 T +(restrictions) 371.22 529.67 T +(on) 423.14 529.67 T +(their) 437.17 529.67 T +(range.) 460.36 529.67 T +(To) 490.57 529.67 T +(create) 505.83 529.67 T +(a) 535.12 529.67 T +(complex) 99 516.67 T +(number) 139.44 516.67 T +(with) 175.6 516.67 T +(a) 197.72 516.67 T +(nonzero) 205.16 516.67 T +(real) 243.15 516.67 T +(part,) 262.19 516.67 T +(add) 284.61 516.67 T +(a) 303.05 516.67 T +(floating) 310.49 516.67 T +(point) 347.27 516.67 T +(number) 372.44 516.67 T +(to) 408.6 516.67 T +(it,) 419.72 516.67 T +(e.g.) 431.14 516.67 T +2 F +(\0503+4j\051.) 449.58 516.67 T +1 F +(Some) 498.34 516.67 T +(ex-) 525.95 516.67 T (amples of imaginary literals:) 99 503.67 T 2 10 Q (3.14j 10.j 10 j .001j 1e100j 3.14e-10j) 99 485.33 T 1 11 Q --0.05 (Note that numeric literals do not include a sign; a phrase like) 99 460.67 P -2 F --0.12 (-1) 369.1 460.67 P -1 F --0.05 ( is actually an expression composed) 382.3 460.67 P +(Note) 99 460.67 T +(that) 123.08 460.67 T +(numeric) 142.29 460.67 T +(literals) 181.03 460.67 T +(do) 213.68 460.67 T +(not) 227.38 460.67 T +(include) 244.14 460.67 T +(a) 279.22 460.67 T +(sign;) 286.8 460.67 T +(a) 310.9 460.67 T +(phrase) 318.49 460.67 T +(like) 349.9 460.67 T +2 F +(-1) 369.1 460.67 T +1 F +(is) 385 460.67 T +(actually) 395.04 460.67 T +(an) 432.56 460.67 T +(expression) 445.65 460.67 T +(composed) 495.39 460.67 T (of the unary operator \324) 99 447.67 T 2 F (-) 197.97 447.67 T @@ -4755,15 +6805,27 @@ FrameNoSep (<< >> & | ^ ~) 99 365.33 T (< > <= >= == != <>) 99 353.33 T 1 11 Q --0.06 (The comparison operators) 99 328.67 P +(The) 99 328.67 T +(comparison) 118.8 328.67 T +(operators) 172.81 328.67 T 2 F --0.14 (<>) 216.44 328.67 P +(<>) 216.44 328.67 T 1 F --0.06 ( and) 229.64 328.67 P +(and) 232.33 328.67 T 2 F --0.14 (!=) 250.9 328.67 P +(!=) 250.9 328.67 T 1 F --0.06 ( are alternate spellings of the same operator; != is the preferred) 264.1 328.67 P +(are) 266.8 328.67 T +(alternate) 282.92 328.67 T +(spellings) 323.48 328.67 T +(of) 365.29 328.67 T +(the) 377.14 328.67 T +(same) 393.28 328.67 T +(operator;) 418.57 328.67 T +(!=) 460.98 328.67 T +(is) 473.53 328.67 T +(the) 483.56 328.67 T +(preferred) 499.7 328.67 T (spelling, <> is obsolescent.) 99 315.67 T 0 14 Q (2.6) 99 288.67 T @@ -4774,82 +6836,154 @@ FrameNoSep (\050 \051 [ ] { }) 99 245.33 T (, : . \324 = ;) 99 233.33 T 1 11 Q -0.05 (The period can also occur in floating-point and imaginary literals. A sequence of three periods has a) 99 208.67 P +(The) 99 208.67 T +(period) 118.9 208.67 T +(can) 149.81 208.67 T +(also) 167.88 208.67 T +(occur) 188.4 208.67 T +(in) 215.63 208.67 T +(floating-point) 226.98 208.67 T +(and) 290.28 208.67 T +(imaginary) 308.97 208.67 T +(literals.) 356.37 208.67 T +(A) 391.86 208.67 T +(sequence) 402.6 208.67 T +(of) 445.72 208.67 T +(three) 457.68 208.67 T +(periods) 482.47 208.67 T +(has) 517.65 208.67 T +(a) 535.11 208.67 T (special meaning as ellipses in slices.) 99 195.67 T -0.41 0.01 (The following printing ASCII characters have special meaning as part of other tokens or are other-) 99 170.67 B +(T) 99 170.67 T +(h) 105.73 170.67 T +(e) 111.24 170.67 T +(f) 119.3 170.67 T +(o) 122.97 170.67 T +(l) 128.48 170.67 T +(l) 131.54 170.67 T +(o) 134.61 170.67 T +(w) 140.11 170.67 T +(i) 148.06 170.67 T +(n) 151.13 170.67 T +(g) 156.64 170.67 T +(p) 165.31 170.67 T +(r) 170.82 170.67 T +(i) 174.49 170.67 T +(n) 177.56 170.67 T +(t) 183.07 170.67 T +(i) 186.13 170.67 T +(n) 189.2 170.67 T +(g) 194.7 170.67 T +(A) 203.38 170.67 T +(S) 211.33 170.67 T +(C) 217.45 170.67 T +(I) 224.8 170.67 T +(I) 228.47 170.67 T +(c) 235.31 170.67 T +(h) 240.2 170.67 T +(a) 245.71 170.67 T +(r) 250.6 170.67 T +(a) 254.27 170.67 T +(c) 259.16 170.67 T +(t) 264.05 170.67 T +(e) 267.12 170.67 T +(r) 272.01 170.67 T +(s) 275.68 170.67 T +(h) 283.14 170.67 T +(a) 288.64 170.67 T +(v) 293.54 170.67 T +(e) 299.04 170.67 T +(s) 307.11 170.67 T +(p) 311.39 170.67 T +(e) 316.9 170.67 T +(c) 321.79 170.67 T +(i) 326.68 170.67 T +(a) 329.75 170.67 T +(l) 334.64 170.67 T +(m) 340.87 170.67 T +(e) 349.44 170.67 T +(a) 354.33 170.67 T +(n) 359.22 170.67 T +(i) 364.73 170.67 T +(n) 367.8 170.67 T +(g) 373.3 170.67 T +(a) 381.98 170.67 T +(s) 386.87 170.67 T +(p) 394.33 170.67 T +(a) 399.84 170.67 T +(r) 404.73 170.67 T +(t) 408.4 170.67 T +(o) 414.63 170.67 T +(f) 420.14 170.67 T +(o) 426.98 170.67 T +(t) 432.49 170.67 T +(h) 435.55 170.67 T +(e) 441.06 170.67 T +(r) 445.95 170.67 T +(t) 452.79 170.67 T +(o) 455.86 170.67 T +(k) 461.37 170.67 T +(e) 466.87 170.67 T +(n) 471.77 170.67 T +(s) 477.27 170.67 T +(o) 484.73 170.67 T +(r) 490.24 170.67 T +(a) 497.08 170.67 T +(r) 501.97 170.67 T +(e) 505.64 170.67 T +(o) 513.7 170.67 T +(t) 519.21 170.67 T +(h) 522.27 170.67 T +(e) 527.78 170.67 T +(r) 532.67 170.67 T +(-) 536.34 170.67 T (wise significant to the lexical analyzer:) 99 157.67 T 2 10 Q (\325 " # \134) 99 139.33 T 1 11 Q -0.19 (The following printing ASCII characters are not used in Python. Their occurrence outside string lit-) 99 114.67 P +(The) 99 114.67 T +(following) 119.04 114.67 T +(printing) 164.76 114.67 T +(ASCII) 202.53 114.67 T +(characters) 234.18 114.67 T +(are) 281.7 114.67 T +(not) 298.07 114.67 T +(used) 315.06 114.67 T +(in) 338.16 114.67 T +(Python.) 349.65 114.67 T +(Their) 386.51 114.67 T +(occurrence) 413.27 114.67 T +(outside) 464.45 114.67 T +(string) 499.17 114.67 T +(lit-) 527.16 114.67 T (erals and comments is an unconditional error:) 99 101.67 T 2 10 Q (@ $ ?) 99 83.33 T -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "9" 15 %%Page: "10" 16 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (10) 76.5 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "10" 16 %%Page: "11" 17 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (11) 530 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 585 292.5 598.5 720 R 5 9 Q -(\245) 0 -90 592.5 720 TF -(Data model) 0 -90 592.5 711 TF +(\245) 0 270 592.5 720 TF +(Data model) 0 270 592.5 711 TF 585 292.5 598.5 720 R -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 16 Q (C) 99 709.33 T 0 12.8 Q @@ -4864,126 +6998,1145 @@ FrameNoSep (3.1) 99 670.67 T (Objects, values and types) 135 670.67 T 3 11 Q -0.32 (Objects) 99 645.67 P -1 F -0.32 ( are Python\325s abstraction for data. All data in a Python program is represented by objects or) 132.6 645.67 P -0.1 (by relations between objects. \050In conformance to Von Neumann\325s model of a \322stored program com-) 99 632.67 P +(Objects) 99 645.67 T +1 F +(are) 135.67 645.67 T +(Python\325s) 152.17 645.67 T +(abstraction) 194.35 645.67 T +(for) 245.68 645.67 T +(data.) 261.57 645.67 T +(All) 285.71 645.67 T +(data) 302.84 645.67 T +(in) 324.23 645.67 T +(a) 335.85 645.67 T +(Python) 343.8 645.67 T +(program) 378.04 645.67 T +(is) 418.38 645.67 T +(represented) 428.78 645.67 T +(by) 482.54 645.67 T +(objects) 496.61 645.67 T +(or) 530.84 645.67 T +(by) 99 632.67 T +(relations) 112.85 632.67 T +(between) 153.59 632.67 T +(objects.) 193.09 632.67 T +(\050In) 229.85 632.67 T +(conformance) 245.53 632.67 T +(to) 305.8 632.67 T +(Von) 317.21 632.67 T +(Neumann\325s) 339 632.67 T +(model) 392.56 632.67 T +(of) 422.91 632.67 T +(a) 434.92 632.67 T +(\322stored) 442.66 632.67 T +(program) 477.28 632.67 T +(com-) 517.4 632.67 T (puter\323, code is also represented by objects.\051) 99 619.67 T -0.13 (Every object has an identity, a type and a value. An object\325s) 99 594.67 P +(Every) 99 594.67 T +(object) 128.15 594.67 T +(has) 157.91 594.67 T +(an) 175.45 594.67 T +(identity,) 188.71 594.67 T +(a) 227.96 594.67 T +(type) 235.72 594.67 T +(and) 257.54 594.67 T +(a) 276.31 594.67 T +(value.) 284.07 594.67 T +(An) 313.52 594.67 T +(object\325s) 329.85 594.67 T 3 F -0.13 (identity) 367.55 594.67 P -1 F -0.13 ( never changes once it has been) 400.55 594.67 P --0.28 (created; you may think of it as the object\325s address in memory. The \324) 99 581.67 P -2 F --0.67 (is) 398.41 581.67 P -1 F --0.28 (\325 operator compares the iden-) 411.61 581.67 P -0.15 (tity of two objects; the \324) 99 568.67 P -2 F -0.37 (id\050\051) 205.18 568.67 P -1 F -0.15 (\325 function returns an integer representing its identity \050currently imple-) 231.58 568.67 P -0.41 0.06 (mented as its address\051. An object\325s) 99 555.67 B +(identity) 367.55 594.67 T +1 F +(never) 403.43 594.67 T +(changes) 430.74 594.67 T +(once) 469.05 594.67 T +(it) 492.7 594.67 T +(has) 501.69 594.67 T +(been) 519.23 594.67 T +(created;) 99 581.67 T +(you) 136.28 581.67 T +(may) 155.25 581.67 T +(think) 176.66 581.67 T +(of) 201.75 581.67 T +(it) 213.38 581.67 T +(as) 221.97 581.67 T +(the) 233.6 581.67 T +(object\325s) 249.51 581.67 T +(address) 286.8 581.67 T +(in) 322.26 581.67 T +(memory.) 333.29 581.67 T +(The) 375.17 581.67 T +(\324) 394.75 581.67 T +2 F +(is) 398.41 581.67 T +1 F +(\325) 411.61 581.67 T +(operator) 417.74 581.67 T +(compares) 456.86 581.67 T +(the) 501.48 581.67 T +(iden-) 517.39 581.67 T +(tity) 99 568.67 T +(of) 116.58 568.67 T +(two) 128.65 568.67 T +(objects;) 148.05 568.67 T +(the) 185.17 568.67 T +(\324) 201.52 568.67 T +2 F +(id\050\051) 205.18 568.67 T +1 F +(\325) 231.58 568.67 T +(function) 238.15 568.67 T +(returns) 277.72 568.67 T +(an) 311.17 568.67 T +(integer) 324.45 568.67 T +(representing) 357.91 568.67 T +(its) 415.18 568.67 T +(identity) 428.48 568.67 T +(\050currently) 465 568.67 T +(imple-) 511.28 568.67 T +(m) 99 555.67 T +(e) 107.62 555.67 T +(n) 112.57 555.67 T +(t) 118.13 555.67 T +(e) 121.25 555.67 T +(d) 126.2 555.67 T +(a) 134.99 555.67 T +(s) 139.93 555.67 T +(i) 147.5 555.67 T +(t) 150.62 555.67 T +(s) 153.74 555.67 T +(a) 161.31 555.67 T +(d) 166.25 555.67 T +(d) 171.82 555.67 T +(r) 177.38 555.67 T +(e) 181.1 555.67 T +(s) 186.05 555.67 T +(s) 190.39 555.67 T +(\051) 194.73 555.67 T +(.) 198.46 555.67 T +(A) 204.5 555.67 T +(n) 212.5 555.67 T +(o) 221.29 555.67 T +(b) 226.85 555.67 T +(j) 232.41 555.67 T +(e) 235.53 555.67 T +(c) 240.48 555.67 T +(t) 245.43 555.67 T +(\325) 248.55 555.67 T +(s) 252.27 555.67 T 3 F -0.41 0.06 (type) 259.84 555.67 B -1 F -0.41 0.06 ( is also unchangeable. It determines the operations that an) 278.42 555.67 B -0.01 (object supports \050e.g. \322does it have a length?\323\051 and also defines the possible values for objects of that) 99 542.67 P -0.19 (type. The \324) 99 529.67 P -2 F -0.46 (type\050\051) 147.34 529.67 P -1 F -0.19 (\325 function returns an object\325s type \050which is an object itself\051. The) 186.94 529.67 P +(t) 259.84 555.67 T +(y) 262.96 555.67 T +(p) 267.91 555.67 T +(e) 273.47 555.67 T +1 F +(i) 281.64 555.67 T +(s) 284.76 555.67 T +(a) 292.33 555.67 T +(l) 297.28 555.67 T +(s) 300.4 555.67 T +(o) 304.74 555.67 T +(u) 313.53 555.67 T +(n) 319.09 555.67 T +(c) 324.65 555.67 T +(h) 329.6 555.67 T +(a) 335.16 555.67 T +(n) 340.11 555.67 T +(g) 345.67 555.67 T +(e) 351.23 555.67 T +(a) 356.18 555.67 T +(b) 361.12 555.67 T +(l) 366.69 555.67 T +(e) 369.81 555.67 T +(.) 374.76 555.67 T +(I) 380.79 555.67 T +(t) 384.52 555.67 T +(d) 390.86 555.67 T +(e) 396.43 555.67 T +(t) 401.37 555.67 T +(e) 404.49 555.67 T +(r) 409.44 555.67 T +(m) 413.17 555.67 T +(i) 421.79 555.67 T +(n) 424.91 555.67 T +(e) 430.47 555.67 T +(s) 435.42 555.67 T +(t) 442.98 555.67 T +(h) 446.1 555.67 T +(e) 451.67 555.67 T +(o) 459.84 555.67 T +(p) 465.4 555.67 T +(e) 470.96 555.67 T +(r) 475.91 555.67 T +(a) 479.64 555.67 T +(t) 484.58 555.67 T +(i) 487.7 555.67 T +(o) 490.82 555.67 T +(n) 496.39 555.67 T +(s) 501.95 555.67 T +(t) 509.52 555.67 T +(h) 512.64 555.67 T +(a) 518.2 555.67 T +(t) 523.15 555.67 T +(a) 529.49 555.67 T +(n) 534.44 555.67 T +(object) 99 542.67 T +(supports) 128.64 542.67 T +(\050e.g.) 168.68 542.67 T +(\322does) 190.99 542.67 T +(it) 218.79 542.67 T +(have) 227.67 542.67 T +(a) 251.2 542.67 T +(length?\323\051) 258.84 542.67 T +(and) 302.53 542.67 T +(also) 321.18 542.67 T +(defines) 341.66 542.67 T +(the) 376.18 542.67 T +(possible) 392.39 542.67 T +(values) 431.2 542.67 T +(for) 462.07 542.67 T +(objects) 477.65 542.67 T +(of) 511.58 542.67 T +(that) 523.5 542.67 T +(type.) 99 529.67 T +(The) 123.63 529.67 T +(\324) 143.68 529.67 T +2 F +(type\050\051) 147.34 529.67 T +1 F +(\325) 186.94 529.67 T +(function) 193.54 529.67 T +(returns) 233.15 529.67 T +(an) 266.63 529.67 T +(object\325s) 279.95 529.67 T +(type) 317.72 529.67 T +(\050which) 339.6 529.67 T +(is) 373.09 529.67 T +(an) 383.37 529.67 T +(object) 396.69 529.67 T +(itself\051.) 426.51 529.67 T +(The) 457.87 529.67 T 3 F -0.19 (value) 477.91 529.67 P -1 F -0.19 ( of some) 501.74 529.67 P -0.36 (objects can change. The \324) 99 516.67 P -2 F -0.85 (==) 212.52 516.67 P -1 F -0.36 (\325 operator compares the value of two objects. Objects whose value can) 225.72 516.67 P -0.11 (change are said to be) 99 503.67 P +(value) 477.91 529.67 T +1 F +(of) 504.68 529.67 T +(some) 516.78 529.67 T +(objects) 99 516.67 T +(can) 133.27 516.67 T +(change.) 151.64 516.67 T +(The) 188.65 516.67 T +(\324) 208.86 516.67 T +2 F +(==) 212.52 516.67 T +1 F +(\325) 225.72 516.67 T +(operator) 232.49 516.67 T +(compares) 272.25 516.67 T +(the) 317.51 516.67 T +(value) 334.05 516.67 T +(of) 360.99 516.67 T +(two) 373.26 516.67 T +(objects.) 392.86 516.67 T +(Objects) 429.88 516.67 T +(whose) 466.59 516.67 T +(value) 497.8 516.67 T +(can) 524.73 516.67 T +(change) 99 503.67 T +(are) 133.01 503.67 T +(said) 149.3 503.67 T +(to) 169.88 503.67 T +(be) 181.3 503.67 T 3 F -0.11 (mutable) 194.54 503.67 P -1 F -0.11 (; objects whose value is unchangeable once they are created are called) 229.98 503.67 P +(mutable) 194.54 503.67 T +1 F +(;) 229.98 503.67 T +(objects) 235.9 503.67 T +(whose) 269.92 503.67 T +(value) 300.89 503.67 T +(is) 327.57 503.67 T +(unchangeable) 337.77 503.67 T +(once) 401.11 503.67 T +(they) 424.73 503.67 T +(are) 446.54 503.67 T +(created) 462.83 503.67 T +(are) 497.44 503.67 T +(called) 513.73 503.67 T 3 F -0.41 0.01 (immutable) 99 490.67 B -1 F -0.41 0.01 (. An object\325s \050im\051mutability is determined by its type; for instance, numbers, strings and) 145.49 490.67 B +(i) 99 490.67 T +(m) 102.06 490.67 T +(m) 110.01 490.67 T +(u) 117.96 490.67 T +(t) 123.46 490.67 T +(a) 126.53 490.67 T +(b) 132.03 490.67 T +(l) 137.54 490.67 T +(e) 140.6 490.67 T +1 F +(.) 145.49 490.67 T +(A) 151.42 490.67 T +(n) 159.36 490.67 T +(o) 168.04 490.67 T +(b) 173.54 490.67 T +(j) 179.05 490.67 T +(e) 182.11 490.67 T +(c) 187 490.67 T +(t) 191.89 490.67 T +(\325) 194.96 490.67 T +(s) 198.62 490.67 T +(\050) 206.08 490.67 T +(i) 209.74 490.67 T +(m) 212.81 490.67 T +(\051) 221.37 490.67 T +(m) 225.04 490.67 T +(u) 233.6 490.67 T +(t) 239.11 490.67 T +(a) 242.17 490.67 T +(b) 247.06 490.67 T +(i) 252.57 490.67 T +(l) 255.63 490.67 T +(i) 258.7 490.67 T +(t) 261.76 490.67 T +(y) 264.82 490.67 T +(i) 273.5 490.67 T +(s) 276.56 490.67 T +(d) 284.01 490.67 T +(e) 289.52 490.67 T +(t) 294.41 490.67 T +(e) 297.47 490.67 T +(r) 302.36 490.67 T +(m) 306.03 490.67 T +(i) 314.59 490.67 T +(n) 317.66 490.67 T +(e) 323.16 490.67 T +(d) 328.05 490.67 T +(b) 336.73 490.67 T +(y) 342.23 490.67 T +(i) 350.9 490.67 T +(t) 353.97 490.67 T +(s) 357.03 490.67 T +(t) 364.48 490.67 T +(y) 367.55 490.67 T +(p) 373.05 490.67 T +(e) 378.56 490.67 T +(;) 383.45 490.67 T +(f) 389.68 490.67 T +(o) 393.35 490.67 T +(r) 398.86 490.67 T +(i) 405.69 490.67 T +(n) 408.76 490.67 T +(s) 414.26 490.67 T +(t) 418.55 490.67 T +(a) 421.61 490.67 T +(n) 426.5 490.67 T +(c) 432.01 490.67 T +(e) 436.89 490.67 T +(,) 441.78 490.67 T +(n) 447.71 490.67 T +(u) 453.21 490.67 T +(m) 458.72 490.67 T +(b) 467.28 490.67 T +(e) 472.79 490.67 T +(r) 477.68 490.67 T +(s) 481.35 490.67 T +(,) 485.63 490.67 T +(s) 491.55 490.67 T +(t) 495.84 490.67 T +(r) 498.9 490.67 T +(i) 502.57 490.67 T +(n) 505.64 490.67 T +(g) 511.14 490.67 T +(s) 516.65 490.67 T +(a) 524.1 490.67 T +(n) 528.99 490.67 T +(d) 534.49 490.67 T (tuples are immutable, while dictionaries and lists are mutable.) 99 477.67 T -0.41 0.05 (Objects are never explicitly destroyed; however, when they become unreachable they may be gar-) 99 452.67 B --0.25 (bage-collected. An implementation is allowed to postpone garbage collection or omit it altogether \321) 99 439.67 P --0.18 (it is a matter of implementation quality how garbage collection is implemented, as long as no objects) 99 426.67 P -0.27 (are collected that are still reachable. \050Implementation note: the current implementation uses a refer-) 99 413.67 P -0.41 0.05 (ence-counting scheme which collects most objects as soon as they become unreachable, but never) 99 400.67 B +(O) 99 452.67 T +(b) 106.99 452.67 T +(j) 112.54 452.67 T +(e) 115.64 452.67 T +(c) 120.57 452.67 T +(t) 125.5 452.67 T +(s) 128.61 452.67 T +(a) 136.14 452.67 T +(r) 141.07 452.67 T +(e) 144.78 452.67 T +(n) 152.92 452.67 T +(e) 158.47 452.67 T +(v) 163.4 452.67 T +(e) 168.95 452.67 T +(r) 173.88 452.67 T +(e) 180.8 452.67 T +(x) 185.73 452.67 T +(p) 191.28 452.67 T +(l) 196.82 452.67 T +(i) 199.93 452.67 T +(c) 203.03 452.67 T +(i) 207.96 452.67 T +(t) 211.07 452.67 T +(l) 214.17 452.67 T +(y) 217.28 452.67 T +(d) 226.04 452.67 T +(e) 231.58 452.67 T +(s) 236.51 452.67 T +(t) 240.84 452.67 T +(r) 243.94 452.67 T +(o) 247.65 452.67 T +(y) 253.2 452.67 T +(e) 258.75 452.67 T +(d) 263.68 452.67 T +(;) 269.23 452.67 T +(h) 275.54 452.67 T +(o) 281.09 452.67 T +(w) 286.63 452.67 T +(e) 294.62 452.67 T +(v) 299.55 452.67 T +(e) 305.1 452.67 T +(r) 310.03 452.67 T +(,) 313.74 452.67 T +(w) 319.75 452.67 T +(h) 327.74 452.67 T +(e) 333.28 452.67 T +(n) 338.21 452.67 T +(t) 346.97 452.67 T +(h) 350.08 452.67 T +(e) 355.62 452.67 T +(y) 360.55 452.67 T +(b) 369.31 452.67 T +(e) 374.86 452.67 T +(c) 379.79 452.67 T +(o) 384.72 452.67 T +(m) 390.27 452.67 T +(e) 398.87 452.67 T +(u) 407.01 452.67 T +(n) 412.56 452.67 T +(r) 418.11 452.67 T +(e) 421.81 452.67 T +(a) 426.74 452.67 T +(c) 431.68 452.67 T +(h) 436.61 452.67 T +(a) 442.15 452.67 T +(b) 447.08 452.67 T +(l) 452.63 452.67 T +(e) 455.74 452.67 T +(t) 463.88 452.67 T +(h) 466.98 452.67 T +(e) 472.53 452.67 T +(y) 477.46 452.67 T +(m) 486.22 452.67 T +(a) 494.82 452.67 T +(y) 499.75 452.67 T +(b) 508.51 452.67 T +(e) 514.05 452.67 T +(g) 522.2 452.67 T +(a) 527.74 452.67 T +(r) 532.67 452.67 T +(-) 536.38 452.67 T +(bage-collected.) 99 439.67 T +(An) 168.39 439.67 T +(implementation) 184.34 439.67 T +(is) 255.9 439.67 T +(allowed) 265.74 439.67 T +(to) 303.06 439.67 T +(postpone) 314.12 439.67 T +(garbage) 356.35 439.67 T +(collection) 393.66 439.67 T +(or) 439.55 439.67 T +(omit) 451.21 439.67 T +(it) 473.89 439.67 T +(altogether) 482.51 439.67 T +(\321) 529 439.67 T +(it) 99 426.67 T +(is) 107.68 426.67 T +(a) 117.59 426.67 T +(matter) 125.04 426.67 T +(of) 155.71 426.67 T +(implementation) 167.44 426.67 T +(quality) 239.06 426.67 T +(how) 272.19 426.67 T +(garbage) 293.69 426.67 T +(collection) 331.08 426.67 T +(is) 377.03 426.67 T +(implemented,) 386.93 426.67 T +(as) 449.69 426.67 T +(long) 461.42 426.67 T +(as) 483.54 426.67 T +(no) 495.27 426.67 T +(objects) 508.84 426.67 T +(are) 99 413.67 T +(collected) 115.45 413.67 T +(that) 158.19 413.67 T +(are) 177.71 413.67 T +(still) 194.16 413.67 T +(reachable.) 213.7 413.67 T +(\050Implementation) 261.61 413.67 T +(note:) 337.96 413.67 T +(the) 362.99 413.67 T +(current) 379.45 413.67 T +(implementation) 413.63 413.67 T +(uses) 485.71 413.67 T +(a) 507.67 413.67 T +(refer-) 515.58 413.67 T +(e) 99 400.67 T +(n) 103.94 400.67 T +(c) 109.49 400.67 T +(e) 114.42 400.67 T +(-) 119.36 400.67 T +(c) 123.08 400.67 T +(o) 128.01 400.67 T +(u) 133.56 400.67 T +(n) 139.12 400.67 T +(t) 144.67 400.67 T +(i) 147.78 400.67 T +(n) 150.89 400.67 T +(g) 156.44 400.67 T +(s) 165.21 400.67 T +(c) 169.54 400.67 T +(h) 174.47 400.67 T +(e) 180.03 400.67 T +(m) 184.96 400.67 T +(e) 193.57 400.67 T +(w) 201.72 400.67 T +(h) 209.72 400.67 T +(i) 215.27 400.67 T +(c) 218.38 400.67 T +(h) 223.32 400.67 T +(c) 232.08 400.67 T +(o) 237.02 400.67 T +(l) 242.57 400.67 T +(l) 245.68 400.67 T +(e) 248.79 400.67 T +(c) 253.73 400.67 T +(t) 258.66 400.67 T +(s) 261.77 400.67 T +(m) 269.32 400.67 T +(o) 277.93 400.67 T +(s) 283.48 400.67 T +(t) 287.81 400.67 T +(o) 294.14 400.67 T +(b) 299.69 400.67 T +(j) 305.24 400.67 T +(e) 308.35 400.67 T +(c) 313.29 400.67 T +(t) 318.22 400.67 T +(s) 321.33 400.67 T +(a) 328.88 400.67 T +(s) 333.82 400.67 T +(s) 341.36 400.67 T +(o) 345.69 400.67 T +(o) 351.24 400.67 T +(n) 356.8 400.67 T +(a) 365.56 400.67 T +(s) 370.5 400.67 T +(t) 378.05 400.67 T +(h) 381.16 400.67 T +(e) 386.71 400.67 T +(y) 391.64 400.67 T +(b) 400.41 400.67 T +(e) 405.96 400.67 T +(c) 410.9 400.67 T +(o) 415.83 400.67 T +(m) 421.39 400.67 T +(e) 430 400.67 T +(u) 438.15 400.67 T +(n) 443.7 400.67 T +(r) 449.25 400.67 T +(e) 452.97 400.67 T +(a) 457.9 400.67 T +(c) 462.84 400.67 T +(h) 467.78 400.67 T +(a) 473.33 400.67 T +(b) 478.26 400.67 T +(l) 483.82 400.67 T +(e) 486.93 400.67 T +(,) 491.86 400.67 T +(b) 497.88 400.67 T +(u) 503.43 400.67 T +(t) 508.98 400.67 T +(n) 515.31 400.67 T +(e) 520.86 400.67 T +(v) 525.8 400.67 T +(e) 531.35 400.67 T +(r) 536.28 400.67 T (collects garbage containing circular references.\051) 99 387.67 T -0.09 (Note that the use of the implementation\325s tracing or debugging facilities may keep objects alive that) 99 362.67 P --0.32 (would normally be collectable. Also note that catching an exception with a \324) 99 349.67 P -2 F --0.77 (try...except) 430.88 349.67 P -1 F --0.32 (\325 state-) 510.08 349.67 P +(Note) 99 362.67 T +(that) 123.22 362.67 T +(the) 142.57 362.67 T +(use) 158.85 362.67 T +(of) 176.35 362.67 T +(the) 188.36 362.67 T +(implementation\325s) 204.64 362.67 T +(tracing) 284.48 362.67 T +(or) 317.87 362.67 T +(debugging) 329.87 362.67 T +(facilities) 379.15 362.67 T +(may) 419.88 362.67 T +(keep) 441.66 362.67 T +(objects) 465.27 362.67 T +(alive) 499.27 362.67 T +(that) 523.5 362.67 T +(would) 99 349.67 T +(normally) 128.93 349.67 T +(be) 171.08 349.67 T +(collectable.) 183.89 349.67 T +(Also) 236.72 349.67 T +(note) 259.92 349.67 T +(that) 281.29 349.67 T +(catching) 300.22 349.67 T +(an) 339.92 349.67 T +(exception) 352.73 349.67 T +(with) 397.92 349.67 T +(a) 419.91 349.67 T +(\324) 427.22 349.67 T +2 F +(try...except) 430.88 349.67 T +1 F +(\325) 510.08 349.67 T +(state-) 516.17 349.67 T (ment may keep objects alive.) 99 336.67 T -0.41 0 (Some objects contain references to \322external\323 resources such as open files or windows. It is under-) 99 311.67 B --0.38 (stood that these resources are freed when the object is garbage-collected, but since garbage collection) 99 298.67 P --0.5 (is not guaranteed to happen, such objects also provide an explicit way to release the external resource,) 99 285.67 P --0.42 (usually a) 99 272.67 P -2 F --1 (close\050\051) 140.33 272.67 P -1 F --0.42 ( method. Programs are strongly recommended to always explicitly close such ob-) 186.53 272.67 P +(S) 99 311.67 T +(o) 105.12 311.67 T +(m) 110.62 311.67 T +(e) 119.19 311.67 T +(o) 127.24 311.67 T +(b) 132.75 311.67 T +(j) 138.25 311.67 T +(e) 141.31 311.67 T +(c) 146.2 311.67 T +(t) 151.09 311.67 T +(s) 154.15 311.67 T +(c) 161.6 311.67 T +(o) 166.49 311.67 T +(n) 171.99 311.67 T +(t) 177.5 311.67 T +(a) 180.56 311.67 T +(i) 185.45 311.67 T +(n) 188.51 311.67 T +(r) 197.18 311.67 T +(e) 200.85 311.67 T +(f) 205.74 311.67 T +(e) 209.41 311.67 T +(r) 214.29 311.67 T +(e) 217.96 311.67 T +(n) 222.85 311.67 T +(c) 228.35 311.67 T +(e) 233.24 311.67 T +(s) 238.13 311.67 T +(t) 245.58 311.67 T +(o) 248.64 311.67 T +(\322) 257.31 311.67 T +(e) 262.2 311.67 T +(x) 267.09 311.67 T +(t) 272.6 311.67 T +(e) 275.66 311.67 T +(r) 280.55 311.67 T +(n) 284.21 311.67 T +(a) 289.72 311.67 T +(l) 294.61 311.67 T +(\323) 297.67 311.67 T +(r) 305.72 311.67 T +(e) 309.39 311.67 T +(s) 314.28 311.67 T +(o) 318.56 311.67 T +(u) 324.07 311.67 T +(r) 329.57 311.67 T +(c) 333.24 311.67 T +(e) 338.13 311.67 T +(s) 343.02 311.67 T +(s) 350.46 311.67 T +(u) 354.75 311.67 T +(c) 360.25 311.67 T +(h) 365.14 311.67 T +(a) 373.81 311.67 T +(s) 378.7 311.67 T +(o) 386.15 311.67 T +(p) 391.65 311.67 T +(e) 397.16 311.67 T +(n) 402.05 311.67 T +(f) 410.72 311.67 T +(i) 414.39 311.67 T +(l) 417.45 311.67 T +(e) 420.51 311.67 T +(s) 425.4 311.67 T +(o) 432.85 311.67 T +(r) 438.35 311.67 T +(w) 445.19 311.67 T +(i) 453.13 311.67 T +(n) 456.2 311.67 T +(d) 461.7 311.67 T +(o) 467.2 311.67 T +(w) 472.71 311.67 T +(s) 480.65 311.67 T +(.) 484.94 311.67 T +(I) 490.86 311.67 T +(t) 494.53 311.67 T +(i) 500.76 311.67 T +(s) 503.82 311.67 T +(u) 511.27 311.67 T +(n) 516.77 311.67 T +(d) 522.28 311.67 T +(e) 527.78 311.67 T +(r) 532.67 311.67 T +(-) 536.34 311.67 T +(stood) 99 298.67 T +(that) 125.21 298.67 T +(these) 144.08 298.67 T +(resources) 169.06 298.67 T +(are) 212.97 298.67 T +(freed) 228.77 298.67 T +(when) 253.74 298.67 T +(the) 279.93 298.67 T +(object) 295.75 298.67 T +(is) 325 298.67 T +(garbage-collected,) 334.71 298.67 T +(but) 418.02 298.67 T +(since) 434.45 298.67 T +(garbage) 459.43 298.67 T +(collection) 496.62 298.67 T +(is) 99 285.67 T +(not) 108.58 285.67 T +(guaranteed) 124.89 285.67 T +(to) 175.39 285.67 T +(happen,) 186.19 285.67 T +(such) 222.96 285.67 T +(objects) 245.37 285.67 T +(also) 278.78 285.67 T +(provide) 298.74 285.67 T +(an) 334.59 285.67 T +(explicit) 347.22 285.67 T +(way) 382.47 285.67 T +(to) 403.04 285.67 T +(release) 413.85 285.67 T +(the) 446.63 285.67 T +(external) 462.32 285.67 T +(resource,) 499.99 285.67 T +(usually) 99 272.67 T +(a) 133.11 272.67 T +2 F +(close\050\051) 140.33 272.67 T +1 F +(method.) 188.86 272.67 T +(Programs) 226.94 272.67 T +(are) 271.44 272.67 T +(strongly) 287.2 272.67 T +(recommended) 325.59 272.67 T +(to) 390.24 272.67 T +(always) 401.13 272.67 T +(explicitly) 434.01 272.67 T +(close) 477.9 272.67 T +(such) 502.84 272.67 T +(ob-) 525.34 272.67 T (jects. The \324) 99 259.67 T 2 F (try...finally) 148.18 259.67 T 1 F (\325 statement provides a convenient way to do this.) 233.98 259.67 T --0.25 (Some objects contain references to other objects; these are called) 99 234.67 P +(Some) 99 234.67 T +(objects) 126.56 234.67 T +(contain) 160.23 234.67 T +(references) 195.12 234.67 T +(to) 242.81 234.67 T +(other) 253.88 234.67 T +(objects;) 278.99 234.67 T +(these) 315.71 234.67 T +(are) 340.83 234.67 T +(called) 356.76 234.67 T 3 F --0.25 (containers) 385.54 234.67 P -1 F --0.25 (. Examples of containers) 431.98 234.67 P -0.26 (are tuples, lists and dictionaries. The references are part of a container\325s value. In most cases, when) 99 221.67 P --0.42 (we talk about the value of a container, we imply the values, not the identities of the contained objects;) 99 208.67 P --0.32 (however, when we talk about the \050im\051mutability of a container, only the identities of the immediately) 99 195.67 P -0.41 0.01 (contained objects are implied. So, if an immutable container \050like a tuple\051 contains a reference to a) 99 182.67 B +(containers) 385.54 234.67 T +1 F +(.) 431.98 234.67 T +(Examples) 437.23 234.67 T +(of) 483.12 234.67 T +(containers) 494.79 234.67 T +(are) 99 221.67 T +(tuples,) 115.44 221.67 T +(lists) 147.48 221.67 T +(and) 168.23 221.67 T +(dictionaries.) 187.12 221.67 T +(The) 244.21 221.67 T +(references) 264.32 221.67 T +(are) 312.52 221.67 T +(part) 328.96 221.67 T +(of) 349.08 221.67 T +(a) 361.26 221.67 T +(container\325s) 369.15 221.67 T +(value.) 421.04 221.67 T +(In) 450.62 221.67 T +(most) 462.8 221.67 T +(cases,) 487.2 221.67 T +(when) 516.17 221.67 T +(we) 99 208.67 T +(talk) 114.16 208.67 T +(about) 132.99 208.67 T +(the) 159.77 208.67 T +(value) 175.54 208.67 T +(of) 201.71 208.67 T +(a) 213.2 208.67 T +(container,) 220.42 208.67 T +(we) 266.43 208.67 T +(imply) 281.59 208.67 T +(the) 309.6 208.67 T +(values,) 325.38 208.67 T +(not) 358.57 208.67 T +(the) 374.96 208.67 T +(identities) 390.73 208.67 T +(of) 433.4 208.67 T +(the) 444.9 208.67 T +(contained) 460.68 208.67 T +(objects;) 505.78 208.67 T +(however,) 99 195.67 T +(when) 142.06 195.67 T +(we) 168.32 195.67 T +(talk) 183.57 195.67 T +(about) 202.51 195.67 T +(the) 229.38 195.67 T +(\050im\051mutability) 245.26 195.67 T +(of) 311.86 195.67 T +(a) 323.46 195.67 T +(container,) 330.78 195.67 T +(only) 376.89 195.67 T +(the) 398.88 195.67 T +(identities) 414.76 195.67 T +(of) 457.53 195.67 T +(the) 469.12 195.67 T +(immediately) 485 195.67 T +(c) 99 182.67 T +(o) 103.89 182.67 T +(n) 109.4 182.67 T +(t) 114.9 182.67 T +(a) 117.97 182.67 T +(i) 122.86 182.67 T +(n) 125.92 182.67 T +(e) 131.43 182.67 T +(d) 136.32 182.67 T +(o) 144.99 182.67 T +(b) 150.5 182.67 T +(j) 156 182.67 T +(e) 159.07 182.67 T +(c) 163.96 182.67 T +(t) 168.85 182.67 T +(s) 171.91 182.67 T +(a) 179.37 182.67 T +(r) 184.26 182.67 T +(e) 187.92 182.67 T +(i) 195.98 182.67 T +(m) 199.05 182.67 T +(p) 207.61 182.67 T +(l) 213.12 182.67 T +(i) 216.18 182.67 T +(e) 219.24 182.67 T +(d) 224.13 182.67 T +(.) 229.64 182.67 T +(S) 235.57 182.67 T +(o) 241.69 182.67 T +(,) 247.19 182.67 T +(i) 253.12 182.67 T +(f) 256.18 182.67 T +(a) 263.02 182.67 T +(n) 267.91 182.67 T +(i) 276.58 182.67 T +(m) 279.65 182.67 T +(m) 288.21 182.67 T +(u) 296.78 182.67 T +(t) 302.28 182.67 T +(a) 305.35 182.67 T +(b) 310.24 182.67 T +(l) 315.74 182.67 T +(e) 318.81 182.67 T +(c) 326.86 182.67 T +(o) 331.76 182.67 T +(n) 337.26 182.67 T +(t) 342.77 182.67 T +(a) 345.83 182.67 T +(i) 350.72 182.67 T +(n) 353.79 182.67 T +(e) 359.29 182.67 T +(r) 364.18 182.67 T +(\050) 371.02 182.67 T +(l) 374.69 182.67 T +(i) 377.75 182.67 T +(k) 380.82 182.67 T +(e) 386.32 182.67 T +(a) 394.38 182.67 T +(t) 402.44 182.67 T +(u) 405.5 182.67 T +(p) 411.01 182.67 T +(l) 416.52 182.67 T +(e) 419.58 182.67 T +(\051) 424.47 182.67 T +(c) 431.31 182.67 T +(o) 436.2 182.67 T +(n) 441.7 182.67 T +(t) 447.21 182.67 T +(a) 450.27 182.67 T +(i) 455.16 182.67 T +(n) 458.23 182.67 T +(s) 463.73 182.67 T +(a) 471.19 182.67 T +(r) 479.24 182.67 T +(e) 482.91 182.67 T +(f) 487.8 182.67 T +(e) 491.47 182.67 T +(r) 496.36 182.67 T +(e) 500.03 182.67 T +(n) 504.92 182.67 T +(c) 510.43 182.67 T +(e) 515.32 182.67 T +(t) 523.38 182.67 T +(o) 526.44 182.67 T +(a) 535.11 182.67 T (mutable object, its value changes if that mutable object is changed.) 99 169.67 T -0.03 (Types affect almost all aspects of object behavior. Even the importance of object identity is affected) 99 144.67 P --0.05 (in some sense: for immutable types, operations that compute new values may actually return a refer-) 99 131.67 P -0.41 0.08 (ence to any existing object with the same type and value, while for mutable objects this is not al-) 99 118.67 B --0.36 (lowed. 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+(Even) 322.57 144.67 T +(the) 347.96 144.67 T +(importance) 364.18 144.67 T +(of) 416.45 144.67 T +(object) 428.4 144.67 T +(identity) 458.06 144.67 T +(is) 494.46 144.67 T +(affected) 504.58 144.67 T +(in) 99 131.67 T +(some) 110.26 131.67 T +(sense:) 136.18 131.67 T +(for) 165.76 131.67 T +(immutable) 181.29 131.67 T +(types,) 231.05 131.67 T +(operations) 259.72 131.67 T +(that) 308.24 131.67 T +(compute) 327.44 131.67 T +(new) 368.03 131.67 T +(values) 389.05 131.67 T +(may) 419.86 131.67 T +(actually) 441.5 131.67 T +(return) 479.03 131.67 T +(a) 507.99 131.67 T +(refer-) 515.58 131.67 T +(e) 99 118.67 T +(n) 103.97 118.67 T +(c) 109.55 118.67 T +(e) 114.51 118.67 T +(t) 122.73 118.67 T +(o) 125.87 118.67 T +(a) 134.69 118.67 T +(n) 139.66 118.67 T +(y) 145.24 118.67 T +(e) 154.07 118.67 T +(x) 159.04 118.67 T +(i) 164.62 118.67 T +(s) 167.76 118.67 T +(t) 172.12 118.67 T +(i) 175.26 118.67 T +(n) 178.4 118.67 T +(g) 183.98 118.67 T +(o) 192.81 118.67 T +(b) 198.39 118.67 T +(j) 203.97 118.67 T +(e) 207.12 118.67 T +(c) 212.08 118.67 T +(t) 217.05 118.67 T +(w) 223.43 118.67 T +(i) 231.46 118.67 T +(t) 234.6 118.67 T +(h) 237.74 118.67 T +(t) 246.56 118.67 T +(h) 249.71 118.67 T +(e) 255.29 118.67 T +(s) 263.5 118.67 T +(a) 267.86 118.67 T +(m) 272.83 118.67 T +(e) 281.47 118.67 T +(t) 289.68 118.67 T +(y) 292.82 118.67 T +(p) 298.4 118.67 T +(e) 303.98 118.67 T +(a) 312.19 118.67 T +(n) 317.16 118.67 T +(d) 322.74 118.67 T +(v) 331.57 118.67 T +(a) 337.15 118.67 T +(l) 342.12 118.67 T +(u) 345.26 118.67 T +(e) 350.84 118.67 T +(,) 355.81 118.67 T +(w) 361.88 118.67 T +(h) 369.91 118.67 T +(i) 375.49 118.67 T +(l) 378.63 118.67 T +(e) 381.77 118.67 T +(f) 389.98 118.67 T +(o) 393.73 118.67 T +(r) 399.31 118.67 T +(m) 406.3 118.67 T +(u) 414.94 118.67 T +(t) 420.52 118.67 T +(a) 423.66 118.67 T +(b) 428.63 118.67 T +(l) 434.21 118.67 T +(e) 437.35 118.67 T +(o) 445.56 118.67 T +(b) 451.14 118.67 T +(j) 456.73 118.67 T +(e) 459.87 118.67 T +(c) 464.83 118.67 T +(t) 469.8 118.67 T +(s) 472.94 118.67 T +(t) 480.55 118.67 T +(h) 483.69 118.67 T +(i) 489.27 118.67 T +(s) 492.41 118.67 T +(i) 500.02 118.67 T +(s) 503.16 118.67 T +(n) 510.76 118.67 T +(o) 516.34 118.67 T +(t) 521.93 118.67 T +(a) 528.31 118.67 T +(l) 533.28 118.67 T +(-) 536.42 118.67 T +(lowed.) 99 105.67 T +(E.g.) 131.02 105.67 T +(after) 151.14 105.67 T +(\324\324) 173.68 105.67 T +2 F +(a) 181.01 105.67 T +(=) 193.34 105.67 T +(1;) 205.68 105.67 T +(b) 224.62 105.67 T +(=) 236.96 105.67 T +1 F +(1\325\325,) 249.3 105.67 T +2 F +(a) 267.26 105.67 T +1 F +(and) 276.26 105.67 T +2 F +(b) 294.53 105.67 T +1 F +(may) 303.52 105.67 T +(or) 324.85 105.67 T +(may) 336.41 105.67 T +(not) 357.74 105.67 T +(refer) 374.19 105.67 T +(to) 397.34 105.67 T +(the) 408.29 105.67 T +(same) 424.12 105.67 T +(object) 449.12 105.67 T +(with) 478.39 105.67 T +(the) 500.34 105.67 T +(value) 516.17 105.67 T +(one,) 99 92.67 T +(depending) 120.28 92.67 T +(on) 168.76 92.67 T +(the) 182.41 92.67 T 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79.67 T (same object to both) 99 66.67 T 2 F (c) 187.6 66.67 T @@ -4993,50 +8146,125 @@ FrameNoSep (d) 215.59 66.67 T 1 F (.\051) 222.19 66.67 T -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "11" 17 %%Page: "12" 18 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (12) 76.5 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 14 Q (3.2) 76.5 710.67 T (The standard type hierarchy) 112.5 710.67 T 1 11 Q -0.12 (Below is a list of the types that are built into Python. 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It is used to indicate the presence of the \324\324...\325\325 syntax) 280.33 498.67 P +(This) 113.49 511.67 T +(type) 135.86 511.67 T +(has) 157.61 511.67 T +(a) 175.09 511.67 T +(single) 182.78 511.67 T +(value.) 211.87 511.67 T +(There) 241.26 511.67 T +(is) 269.72 511.67 T +(a) 279.87 511.67 T +(single) 287.57 511.67 T +(object) 316.65 511.67 T +(with) 346.35 511.67 T +(this) 368.72 511.67 T +(value.) 387.42 511.67 T +(This) 416.81 511.67 T +(object) 439.18 511.67 T +(is) 468.87 511.67 T +(accessed) 479.02 511.67 T +(through) 112.5 498.67 T +(the) 149.51 498.67 T +(built-in) 165.74 498.67 T +(name) 200.92 498.67 T +2 F +(Ellipsis) 227.53 498.67 T +1 F +(.) 280.33 498.67 T +(It) 285.87 498.67 T +(is) 295.38 498.67 T +(used) 305.51 498.67 T +(to) 328.45 498.67 T +(indicate) 339.8 498.67 T +(the) 377.41 498.67 T +(presence) 393.64 498.67 T +(of) 434.91 498.67 T +(the) 446.86 498.67 T +(\324\324...\325\325) 463.09 498.67 T +(syntax) 488.78 498.67 T (in a slice. Its truth value is true.) 112.5 485.67 T 4 F (Numbers) 76.5 466.67 T 1 F -0.6 (These are created by numeric literals and returned as results by arithmetic operators and) 122.63 466.67 P --0.01 (arithmetic built-in functions. Numeric objects are immutable; once created their value never) 112.5 453.67 P --0.52 (changes. Python numbers are of course strongly related to mathematical numbers, but subject) 112.5 440.67 P +(These) 122.63 466.67 T +(are) 152.25 466.67 T +(created) 169.04 466.67 T +(by) 204.15 466.67 T +(numeric) 218.5 466.67 T +(literals) 257.9 466.67 T +(and) 291.19 466.67 T +(returned) 310.43 466.67 T +(as) 350.43 466.67 T +(results) 362.95 466.67 T +(by) 395.02 466.67 T +(arithmetic) 409.38 466.67 T +(operators) 457.33 466.67 T +(and) 501.62 466.67 T +(arithmetic) 112.5 453.67 T +(built-in) 159.85 453.67 T +(functions.) 194.98 453.67 T +(Numeric) 241.42 453.67 T +(objects) 282.65 453.67 T +(are) 316.55 453.67 T +(immutable;) 332.73 453.67 T +(once) 385.59 453.67 T +(created) 409.1 453.67 T +(their) 443.6 453.67 T +(value) 466.5 453.67 T +(never) 493.07 453.67 T +(changes.) 112.5 440.67 T +(Python) 152.91 440.67 T +(numbers) 186.32 440.67 T +(are) 226.44 440.67 T +(of) 242.1 440.67 T +(course) 253.49 440.67 T +(strongly) 284.44 440.67 T +(related) 322.73 440.67 T +(to) 354.89 440.67 T +(mathematical) 365.68 440.67 T +(numbers,) 427.18 440.67 T +(but) 470.05 440.67 T +(subject) 486.34 440.67 T (to the limitations of numerical representation in computers.) 112.5 427.67 T (Python distinguishes between integers and floating point numbers:) 112.5 410.67 T 4 F @@ -5078,85 +8421,433 @@ FrameNoSep 4 F (Plain integers) 130.5 355.67 T 1 F --0.47 (These represent numbers in the range -2147483648 through 2147483647.) 197.72 355.67 P -0.61 (\050The range may be larger on machines with a larger natural word size, but not) 166.5 342.67 P -0.33 (smaller.\051 When the result of an operation falls outside this range, the exception) 166.5 329.67 P -2 F --0.33 (OverflowError) 166.5 316.67 P -1 F --0.14 ( is raised. For the purpose of shift and mask operations, inte-) 252.3 316.67 P -0.69 0.01 (gers are assumed to have a binary, 2\325s complement notation using 32 or more) 166.5 303.67 B -0.18 (bits, and hiding no bits from the user \050i.e., all 4294967296 different bit patterns) 166.5 290.67 P +(These) 197.72 355.67 T +(represent) 226.27 355.67 T +(numbers) 268.87 355.67 T +(in) 309.03 355.67 T +(the) 319.87 355.67 T +(range) 335.59 355.67 T +(-2147483648) 362.3 355.67 T +(through) 423.25 355.67 T +(2147483647.) 459.75 355.67 T +(\050The) 166.5 342.67 T +(range) 190.63 342.67 T +(may) 218.42 342.67 T +(be) 240.73 342.67 T +(larger) 254.47 342.67 T +(on) 283.48 342.67 T +(machines) 297.85 342.67 T +(with) 342.75 342.67 T +(a) 365.67 342.67 T +(larger) 373.92 342.67 T +(natural) 402.93 342.67 T +(word) 436.84 342.67 T +(size,) 462.81 342.67 T +(but) 486.02 342.67 T +(not) 503.44 342.67 T +(smaller.\051) 166.5 329.67 T +(When) 208.38 329.67 T +(the) 237.72 329.67 T +(result) 254.24 329.67 T +(of) 281.77 329.67 T +(an) 294.01 329.67 T +(operation) 307.47 329.67 T +(falls) 352.1 329.67 T +(outside) 374.12 329.67 T +(this) 408.98 329.67 T +(range,) 427.95 329.67 T +(the) 458.21 329.67 T +(exception) 474.73 329.67 T +2 F +(OverflowError) 166.5 316.67 T +1 F +(is) 254.91 316.67 T +(raised.) 264.86 316.67 T +(For) 296.49 316.67 T +(the) 314.38 316.67 T +(purpose) 330.44 316.67 T +(of) 367.87 316.67 T +(shift) 379.65 316.67 T +(and) 401.82 316.67 T +(mask) 420.32 316.67 T +(operations,) 446.15 316.67 T +(inte-) 497.34 316.67 T +(g) 166.5 303.67 T +(e) 172.01 303.67 T +(r) 176.91 303.67 T +(s) 180.59 303.67 T +(a) 188.34 303.67 T +(r) 193.24 303.67 T +(e) 196.92 303.67 T +(a) 205.27 303.67 T +(s) 210.17 303.67 T +(s) 214.46 303.67 T +(u) 218.76 303.67 T +(m) 224.27 303.67 T +(e) 232.84 303.67 T +(d) 237.74 303.67 T +(t) 246.71 303.67 T +(o) 249.78 303.67 T +(h) 258.75 303.67 T +(a) 264.27 303.67 T +(v) 269.17 303.67 T +(e) 274.68 303.67 T +(a) 283.03 303.67 T +(b) 291.38 303.67 T +(i) 296.9 303.67 T +(n) 299.97 303.67 T +(a) 305.49 303.67 T +(r) 310.39 303.67 T +(y) 314.06 303.67 T +(,) 319.58 303.67 T +(2) 325.8 303.67 T +(\325) 331.31 303.67 T +(s) 334.99 303.67 T +(c) 342.74 303.67 T +(o) 347.64 303.67 T +(m) 353.15 303.67 T +(p) 361.72 303.67 T +(l) 367.24 303.67 T +(e) 370.31 303.67 T +(m) 375.21 303.67 T +(e) 383.78 303.67 T +(n) 388.68 303.67 T +(t) 394.2 303.67 T +(n) 400.72 303.67 T +(o) 406.24 303.67 T +(t) 411.75 303.67 T +(a) 414.83 303.67 T +(t) 419.73 303.67 T +(i) 422.8 303.67 T +(o) 425.87 303.67 T +(n) 431.39 303.67 T +(u) 440.36 303.67 T +(s) 445.87 303.67 T +(i) 450.16 303.67 T +(n) 453.24 303.67 T +(g) 458.75 303.67 T +(3) 467.72 303.67 T +(2) 473.23 303.67 T +(o) 482.2 303.67 T +(r) 487.72 303.67 T +(m) 494.85 303.67 T +(o) 503.42 303.67 T +(r) 508.94 303.67 T +(e) 512.61 303.67 T +(bits,) 166.5 290.67 T +(and) 188.08 290.67 T +(hiding) 206.9 290.67 T +(no) 237.95 290.67 T +(bits) 251.88 290.67 T +(from) 270.71 290.67 T +(the) 295.03 290.67 T +(user) 311.4 290.67 T +(\050i.e.,) 332.66 290.67 T +(all) 355.45 290.67 T +(4294967296) 369.38 290.67 T +(different) 427.32 290.67 T +(bit) 468.12 290.67 T +(patterns) 482.67 290.67 T (correspond to different values\051.) 166.5 277.67 T 4 F (Long integers) 130.5 258.67 T 1 F -0.05 (These represent numbers in an unlimited range, subject to available \050vir-) 197.72 258.67 P --0.24 (tual\051 memory only. For the purpose of shift and mask operations, a binary repre-) 166.5 245.67 P -0.69 0 (sentation is assumed, and negative numbers are represented in a variant of 2\325s) 166.5 232.67 B -0.32 (complement which gives the illusion of an infinite string of sign bits extending) 166.5 219.67 P +(These) 197.72 258.67 T +(represent) 226.79 258.67 T +(numbers) 269.91 258.67 T +(in) 310.6 258.67 T +(an) 321.96 258.67 T +(unlimited) 335.15 258.67 T +(range,) 380.13 258.67 T +(subject) 410.11 258.67 T +(to) 444.08 258.67 T +(available) 455.44 258.67 T +(\050vir-) 497.95 258.67 T +(tual\051) 166.5 245.67 T +(memory) 189.18 245.67 T +(only.) 228.35 245.67 T +(For) 253.17 245.67 T +(the) 270.97 245.67 T +(purpose) 286.92 245.67 T +(of) 324.26 245.67 T +(shift) 335.94 245.67 T +(and) 358.01 245.67 T +(mask) 376.4 245.67 T +(operations,) 402.14 245.67 T +(a) 453.23 245.67 T +(binary) 460.62 245.67 T +(repre-) 491.24 245.67 T +(s) 166.5 232.67 T +(e) 170.78 232.67 T +(n) 175.67 232.67 T +(t) 181.18 232.67 T +(a) 184.24 232.67 T +(t) 189.12 232.67 T +(i) 192.19 232.67 T +(o) 195.25 232.67 T +(n) 200.75 232.67 T +(i) 209.7 232.67 T +(s) 212.76 232.67 T +(a) 220.48 232.67 T +(s) 225.37 232.67 T +(s) 229.65 232.67 T +(u) 233.94 232.67 T +(m) 239.44 232.67 T +(e) 248 232.67 T +(d) 252.89 232.67 T +(,) 258.39 232.67 T +(a) 264.59 232.67 T +(n) 269.48 232.67 T +(d) 274.98 232.67 T +(n) 283.93 232.67 T +(e) 289.43 232.67 T +(g) 294.32 232.67 T +(a) 299.82 232.67 T +(t) 304.71 232.67 T +(i) 307.77 232.67 T +(v) 310.83 232.67 T +(e) 316.34 232.67 T +(n) 324.67 232.67 T +(u) 330.17 232.67 T +(m) 335.67 232.67 T +(b) 344.24 232.67 T +(e) 349.74 232.67 T +(r) 354.63 232.67 T +(s) 358.3 232.67 T +(a) 366.02 232.67 T +(r) 370.91 232.67 T +(e) 374.57 232.67 T +(r) 382.9 232.67 T +(e) 386.57 232.67 T +(p) 391.46 232.67 T +(r) 396.96 232.67 T +(e) 400.63 232.67 T +(s) 405.52 232.67 T +(e) 409.8 232.67 T +(n) 414.69 232.67 T +(t) 420.19 232.67 T +(e) 423.25 232.67 T +(d) 428.14 232.67 T +(i) 437.08 232.67 T +(n) 440.15 232.67 T +(a) 449.09 232.67 T +(v) 457.42 232.67 T +(a) 462.93 232.67 T +(r) 467.81 232.67 T +(i) 471.48 232.67 T +(a) 474.54 232.67 T +(n) 479.43 232.67 T +(t) 484.93 232.67 T +(o) 491.44 232.67 T +(f) 496.94 232.67 T +(2) 504.05 232.67 T +(\325) 509.55 232.67 T +(s) 513.22 232.67 T +(complement) 166.5 219.67 T +(which) 223.96 219.67 T +(gives) 253.92 219.67 T +(the) 280.21 219.67 T +(illusion) 296.73 219.67 T +(of) 332.82 219.67 T +(an) 345.05 219.67 T +(infinite) 358.51 219.67 T +(string) 393.36 219.67 T +(of) 421.5 219.67 T +(sign) 433.73 219.67 T +(bits) 455.15 219.67 T +(extending) 474.12 219.67 T (to the left.) 166.5 206.67 T -0.02 (The rules for integer representation are intended to give the most meaningful interpreta-) 130.5 189.67 P --0.48 (tion of shift and mask operations involving negative integers and the least surprises when) 130.5 176.67 P --0.62 (switching between the plain and long integer domains. For any operation except left shift,) 130.5 163.67 P --0.08 (if it yields a result in the plain integer domain without causing overflow, it will yield the) 130.5 150.67 P +(The) 130.5 189.67 T +(rules) 150.38 189.67 T +(for) 174.53 189.67 T +(integer) 190.13 189.67 T +(representation) 223.45 189.67 T +(are) 288.53 189.67 T +(intended) 304.73 189.67 T +(to) 345.39 189.67 T +(give) 356.72 189.67 T +(the) 378.43 189.67 T +(most) 394.64 189.67 T +(meaningful) 418.81 189.67 T +(interpreta-) 471.68 189.67 T +(tion) 130.5 176.67 T +(of) 149.89 176.67 T +(shift) 161.32 176.67 T +(and) 183.15 176.67 T +(mask) 201.31 176.67 T +(operations) 226.8 176.67 T +(involving) 274.9 176.67 T +(negative) 319.35 176.67 T +(integers) 358.89 176.67 T +(and) 395.99 176.67 T +(the) 414.15 176.67 T +(least) 429.86 176.67 T +(surprises) 452.3 176.67 T +(when) 493.67 176.67 T +(switching) 130.5 163.67 T +(between) 175.41 163.67 T +(the) 214.2 163.67 T +(plain) 229.77 163.67 T +(and) 253.9 163.67 T +(long) 271.92 163.67 T +(integer) 293.61 163.67 T +(domains.) 326.29 163.67 T +(For) 368.45 163.67 T +(any) 385.86 163.67 T +(operation) 403.88 163.67 T +(except) 447.55 163.67 T +(left) 478.4 163.67 T +(shift,) 495.19 163.67 T +(if) 130.5 150.67 T +(it) 139.89 150.67 T +(yields) 148.67 150.67 T +(a) 177.61 150.67 T +(result) 185.16 150.67 T +(in) 212.27 150.67 T +(the) 223.5 150.67 T +(plain) 239.6 150.67 T +(integer) 264.27 150.67 T +(domain) 297.48 150.67 T +(without) 333.15 150.67 T +(causing) 369.43 150.67 T +(overflow,) 405.7 150.67 T +(it) 450.83 150.67 T +(will) 459.61 150.67 T +(yield) 479.39 150.67 T +(the) 504.06 150.67 T (same result in the long integer domain or when using mixed operands.) 130.5 137.67 T 4 F (Floating point numbers) 112.5 118.67 T 1 F --0.98 (These represent machine-level double precision floating point num-) 225.88 118.67 P --0.22 (bers. You are at the mercy of the underlying machine architecture and C implementation) 130.5 105.67 P -0.4 (for the accepted range and handling of overflow. 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The built-in function) 150.03 635.67 P -2 F -0.82 (len\050\051) 135 622.67 P -1 F -0.34 ( returns the number of items of a sequence. When the length of a sequence is) 168 622.67 P -2 F -0.82 (n) 514.11 622.67 P -1 F -0.34 (, the) 520.71 622.67 P +(These) 150.03 635.67 T +(represent) 180.56 635.67 T +(finite) 225.14 635.67 T +(ordered) 252.62 635.67 T +(sets) 290.48 635.67 T +(indexed) 311.25 635.67 T +(by) 350.34 635.67 T +(natural) 365.6 635.67 T +(numbers.) 400.41 635.67 T +(The) 445.31 635.67 T +(built-in) 466.68 635.67 T +(function) 503.34 635.67 T +2 F +(len\050\051) 135 622.67 T +1 F +(returns) 171.09 622.67 T +(the) 204.73 622.67 T +(number) 221.27 622.67 T +(of) 257.97 622.67 T +(items) 270.23 622.67 T +(of) 297.16 622.67 T +(a) 309.41 622.67 T +(sequence.) 317.39 622.67 T +(When) 363.55 622.67 T +(the) 392.91 622.67 T +(length) 409.45 622.67 T +(of) 440.04 622.67 T +(a) 452.3 622.67 T +(sequence) 460.27 622.67 T +(is) 503.68 622.67 T +2 F +(n) 514.11 622.67 T +1 F +(,) 520.71 622.67 T +(the) 526.56 622.67 T (index set contains the numbers 0, 1, ...,) 135 609.67 T 2 F (n) 309.15 609.67 T @@ -5194,60 +8911,256 @@ FrameNoSep (a[i]) 479.86 609.67 T 1 F (.) 506.26 609.67 T -4.29 (Sequences also support slicing:) 135 592.67 P -2 F -10.28 (a[i:j]) 292.69 592.67 P -1 F -4.29 ( selects all items with index) 332.29 592.67 P -2 F -10.28 (k) 482.67 592.67 P -1 F -4.29 ( such that) 489.27 592.67 P -2 F -1.18 (i) 135 579.67 P -1.18 (<=) 148.2 579.67 P -1.18 (k) 168 579.67 P -1.18 (<) 181.2 579.67 P -1.18 (j) 194.4 579.67 P -1 F -0.49 (. When used as an expression, a slice is a sequence of the same type \321 this) 201 579.67 P +(Sequences) 135 592.67 T +(also) 188.47 592.67 T +(support) 213.22 592.67 T +(slicing:) 253.26 592.67 T +2 F +(a[i:j]) 292.69 592.67 T +1 F +(selects) 339.33 592.67 T +(all) 375.69 592.67 T +(items) 393.72 592.67 T +(with) 424.59 592.67 T +(index) 451.19 592.67 T +2 F +(k) 482.67 592.67 T +1 F +(such) 496.3 592.67 T +(that) 523.5 592.67 T +2 F +(i) 135 579.67 T +(<=) 148.2 579.67 T +(k) 168 579.67 T +(<) 181.2 579.67 T +(j) 194.4 579.67 T +1 F +(.) 201 579.67 T +(When) 206.99 579.67 T +(used) 236.5 579.67 T +(as) 259.9 579.67 T +(an) 272.3 579.67 T +(expression,) 285.93 579.67 T +(a) 338.97 579.67 T +(slice) 347.09 579.67 T +(is) 370.49 579.67 T +(a) 381.07 579.67 T +(sequence) 389.2 579.67 T +(of) 432.75 579.67 T +(the) 445.15 579.67 T +(same) 461.84 579.67 T +(type) 487.68 579.67 T +(\321) 509.86 579.67 T +(this) 524.1 579.67 T (implies that the index set is renumbered so that it starts at 0 again.) 135 566.67 T (Sequences are distinguished according to their mutability:) 135 549.67 T 4 F (Immutable sequences) 135 530.67 T 1 F --0.82 (An object of an immutable sequence type cannot change once it is cre-) 238.88 530.67 P --0.16 (ated. \050If the object contains references to other objects, these other objects may be muta-) 153 517.67 P -2.87 (ble and may be changed; however the array of objects directly referenced by an) 153 504.67 P +(An) 238.88 530.67 T +(object) 254.25 530.67 T +(of) 283.07 530.67 T +(an) 294.16 530.67 T +(immutable) 306.47 530.67 T +(sequence) 355.45 530.67 T +(type) 397.7 530.67 T +(cannot) 418.57 530.67 T +(change) 449.82 530.67 T +(once) 482.9 530.67 T +(it) 505.6 530.67 T +(is) 513.64 530.67 T +(cre-) 522.91 530.67 T +(ated.) 153 517.67 T +(\050If) 176.67 517.67 T +(the) 190.25 517.67 T +(object) 206.29 517.67 T +(contains) 235.77 517.67 T +(references) 275.02 517.67 T +(to) 322.81 517.67 T +(other) 333.96 517.67 T +(objects,) 359.16 517.67 T +(these) 395.67 517.67 T +(other) 420.86 517.67 T +(objects) 446.07 517.67 T +(may) 479.82 517.67 T +(be) 501.36 517.67 T +(muta-) 514.34 517.67 T +(ble) 153 504.67 T +(and) 172.06 504.67 T +(may) 193.56 504.67 T +(be) 218.12 504.67 T +(changed;) 234.12 504.67 T +(however) 279.44 504.67 T +(the) 322.93 504.67 T +(array) 341.99 504.67 T +(of) 370.2 504.67 T +(objects) 384.98 504.67 T +(directly) 421.75 504.67 T +(referenced) 460.98 504.67 T +(by) 513 504.67 T +(an) 529.62 504.67 T (immutable object cannot change.\051) 153 491.67 T (The following types are immutable sequences:) 153 474.67 T 4 F (Strings) 153 455.67 T 1 F -0.13 (The items of a string are characters. There is no separate character type; a char-) 189 455.67 P -0.31 (acter is represented by a string of one item. Characters represent \050at least\051 8-bit) 189 442.67 P --0.49 (bytes. The built-in functions) 189 429.67 P -2 F --1.18 (chr\050\051) 314.45 429.67 P -1 F --0.49 ( and) 347.45 429.67 P -2 F --1.18 (ord\050\051) 367.85 429.67 P -1 F --0.49 ( convert between characters and) 400.85 429.67 P -0.55 (nonnegative integers representing the byte values. Bytes with the values 0-127) 189 416.67 P -0.24 (usually represent the corresponding ASCII values, but the interpretation of val-) 189 403.67 P -0.15 (ues is up to the program. The string data type is also used to represent arrays of) 189 390.67 P +(The) 189 455.67 T +(items) 208.99 455.67 T +(of) 235.71 455.67 T +(a) 247.76 455.67 T +(string) 255.53 455.67 T +(are) 283.47 455.67 T +(characters.) 299.79 455.67 T +(There) 350 455.67 T +(is) 378.54 455.67 T +(no) 388.76 455.67 T +(separate) 402.64 455.67 T +(character) 441.57 455.67 T +(type;) 484.75 455.67 T +(a) 509.64 455.67 T +(char-) 517.41 455.67 T +(acter) 189 442.67 T +(is) 213.43 442.67 T +(represented) 223.82 442.67 T +(by) 277.58 442.67 T +(a) 291.63 442.67 T +(string) 299.58 442.67 T +(of) 327.69 442.67 T +(one) 339.91 442.67 T +(item.) 358.85 442.67 T +(Characters) 384.21 442.67 T +(represent) 434.31 442.67 T +(\050at) 477.68 442.67 T +(least\051) 492.34 442.67 T +(8-bit) 519.22 442.67 T +(bytes.) 189 429.67 T +(The) 217.23 429.67 T +(built-in) 236.6 429.67 T +(functions) 271.25 429.67 T +2 F +(chr\050\051) 314.45 429.67 T +1 F +(and) 349.71 429.67 T +2 F +(ord\050\051) 367.85 429.67 T +1 F +(convert) 403.11 429.67 T +(between) 438.36 429.67 T +(characters) 477.27 429.67 T +(and) 524.12 429.67 T +(nonnegative) 189 416.67 T +(integers) 246.07 416.67 T +(representing) 284.19 416.67 T +(the) 341.86 416.67 T +(byte) 358.6 416.67 T +(values.) 380.83 416.67 T +(Bytes) 414.99 416.67 T +(with) 443.34 416.67 T +(the) 466.2 416.67 T +(values) 482.93 416.67 T +(0-127) 514.34 416.67 T +(usually) 189 403.67 T +(represent) 223.77 403.67 T +(the) 267.08 403.67 T +(corresponding) 283.51 403.67 T +(ASCII) 349.43 403.67 T +(values,) 381.15 403.67 T +(but) 414.99 403.67 T +(the) 432.05 403.67 T +(interpretation) 448.48 403.67 T +(of) 510.74 403.67 T +(val-) 522.9 403.67 T +(ues) 189 390.67 T +(is) 206.56 390.67 T +(up) 216.8 390.67 T +(to) 230.7 390.67 T +(the) 242.16 390.67 T +(program.) 258.51 390.67 T +(The) 301.43 390.67 T +(string) 321.43 390.67 T +(data) 349.39 390.67 T +(type) 370.62 390.67 T +(is) 392.46 390.67 T +(also) 402.7 390.67 T +(used) 423.32 390.67 T +(to) 446.39 390.67 T +(represent) 457.85 390.67 T +(arrays) 501.06 390.67 T +(of) 530.84 390.67 T (bytes, e.g. to hold data read from a file.) 189 377.67 T (\050What should be done on systems whose native character set is not ASCII???\051) 189 360.67 T 4 F (Tuples) 153 341.67 T 1 F -0.56 (The items of a tuple are arbitrary Python objects. Tuples of two or more items) 189 341.67 P --0.21 (are formed by comma-separated lists of expressions. A tuple of one item \050a \324sin-) 189 328.67 P -0.14 (gleton\325\051 can be formed by affixing a comma to an expression \050an expression by) 189 315.67 P -0.59 (itself does not create a tuple, since parentheses must be usable for grouping of) 189 302.67 P --0.14 (expressions\051. An empty tuple can be formed by enclosing \324nothing\325 in parenthe-) 189 289.67 P +(The) 189 341.67 T +(items) 209.42 341.67 T +(of) 236.57 341.67 T +(a) 249.05 341.67 T +(tuple) 257.25 341.67 T +(are) 282.56 341.67 T +(arbitrary) 299.31 341.67 T +(Python) 340.5 341.67 T +(objects.) 374.99 341.67 T +(Tuples) 412.21 341.67 T +(of) 445.47 341.67 T +(two) 457.95 341.67 T +(or) 477.77 341.67 T +(more) 490.24 341.67 T +(items) 516.16 341.67 T +(are) 189 328.67 T +(formed) 204.97 328.67 T +(by) 239.27 328.67 T +(comma-separated) 252.81 328.67 T +(lists) 332.93 328.67 T +(of) 353.2 328.67 T +(expressions.) 364.9 328.67 T +(A) 421.52 328.67 T +(tuple) 432 328.67 T +(of) 456.53 328.67 T +(one) 468.23 328.67 T +(item) 486.66 328.67 T +(\050a) 508.75 328.67 T +(\324sin-) 519.84 328.67 T +(gleton\325\051) 189 315.67 T +(can) 226.72 315.67 T +(be) 244.88 315.67 T +(formed) 258.15 315.67 T +(by) 292.81 315.67 T +(affixing) 306.7 315.67 T +(a) 344.42 315.67 T +(comma) 352.19 315.67 T +(to) 387.46 315.67 T +(an) 398.91 315.67 T +(expression) 412.19 315.67 T +(\050an) 462.12 315.67 T +(expression) 479.06 315.67 T +(by) 529 315.67 T +(itself) 189 302.67 T +(does) 214.34 302.67 T +(not) 237.84 302.67 T +(create) 255.23 302.67 T +(a) 284.82 302.67 T +(tuple,) 293.04 302.67 T +(since) 321.13 302.67 T +(parentheses) 347.07 302.67 T +(must) 401.72 302.67 T +(be) 426.45 302.67 T +(usable) 440.17 302.67 T +(for) 471.62 302.67 T +(grouping) 487.78 302.67 T +(of) 530.84 302.67 T +(expressions\051.) 189 289.67 T +(An) 249.35 289.67 T +(empty) 265.4 289.67 T +(tuple) 295.51 289.67 T +(can) 320.12 289.67 T +(be) 337.99 289.67 T +(formed) 350.99 289.67 T +(by) 385.36 289.67 T +(enclosing) 398.97 289.67 T +(\324nothing\325) 443.75 289.67 T +(in) 487.3 289.67 T +(parenthe-) 498.46 289.67 T (ses: \324\324) 189 276.67 T 2 F (\050\051) 215.58 276.67 T @@ -5256,317 +9169,726 @@ FrameNoSep 4 F (Mutable sequences) 135 257.67 T 1 F --0.22 (Mutable sequences can be changed after they are created. The subscrip-) 226.66 257.67 P --0.14 (tion and slicing notations can be used as the target of assignment and) 153 244.67 P -2 F --0.34 (del) 457.57 244.67 P -1 F --0.14 ( \050delete\051 state-) 477.37 244.67 P +(Mutable) 226.66 257.67 T +(sequences) 265.86 257.67 T +(can) 312.98 257.67 T +(be) 330.78 257.67 T +(changed) 343.7 257.67 T +(after) 382.88 257.67 T +(they) 405.56 257.67 T +(are) 427.04 257.67 T +(created.) 443 257.67 T +(The) 480.04 257.67 T +(subscrip-) 499.67 257.67 T +(tion) 153 244.67 T +(and) 172.72 244.67 T +(slicing) 191.21 244.67 T +(notations) 223.15 244.67 T +(can) 266.1 244.67 T +(be) 283.97 244.67 T +(used) 296.96 244.67 T +(as) 319.73 244.67 T +(the) 331.5 244.67 T +(target) 347.55 244.67 T +(of) 375.2 244.67 T +(assignment) 386.97 244.67 T +(and) 439.08 244.67 T +2 F +(del) 457.57 244.67 T +1 F +(\050delete\051) 479.97 244.67 T +(state-) 516.17 244.67 T (ments.) 153 231.67 T (There is currently a single mutable sequence type:) 153 214.67 T 4 F (Lists) 153 195.67 T 1 F -0.69 0.04 (The items of a list are arbitrary Python objects. Lists are formed by placing a) 189 195.67 B -0.42 (comma-separated list of expressions in square brackets. \050Note that there are no) 189 182.67 P +(The) 189 195.67 T +(items) 209.77 195.67 T +(of) 237.27 195.67 T +(a) 250.1 195.67 T +(list) 258.65 195.67 T +(are) 275.77 195.67 T +(arbitrary) 292.86 195.67 T +(Python) 334.4 195.67 T +(objects.) 369.24 195.67 T +(Lists) 406.81 195.67 T +(are) 431.87 195.67 T +(formed) 448.97 195.67 T +(by) 484.4 195.67 T +(placing) 499.07 195.67 T +(a) 535.11 195.67 T +(comma-separated) 189 182.67 T +(list) 269.75 182.67 T +(of) 286.37 182.67 T +(expressions) 298.7 182.67 T +(in) 353.19 182.67 T +(square) 364.92 182.67 T +(brackets.) 396.8 182.67 T +(\050Note) 439.36 182.67 T +(that) 467.58 182.67 T +(there) 487.25 182.67 T +(are) 512.4 182.67 T +(no) 529 182.67 T (special cases needed to form lists of length 0 or 1.\051) 189 169.67 T --0.52 (The optional module) 153 150.67 P -2 F --1.24 (array) 245.86 150.67 P -1 F --0.52 ( provides an additional example of a mutable sequence type.) 278.86 150.67 P +(The) 153 150.67 T +(optional) 172.34 150.67 T +(module) 210.63 150.67 T +2 F +(array) 245.86 150.67 T +1 F +(provides) 281.1 150.67 T +(an) 321.22 150.67 T +(additional) 333.83 150.67 T +(example) 380.07 150.67 T +(of) 419.57 150.67 T +(a) 430.96 150.67 T +(mutable) 438.08 150.67 T +(sequence) 475.76 150.67 T +(type.) 518.31 150.67 T 4 F (Mappings) 99 131.67 T 1 F --0.88 (These represent finite sets of objects indexed by arbitrary index sets. The subscript notation) 148.82 131.67 P -2 F --0.47 (a[k]) 135 118.67 P -1 F --0.2 ( selects the item indexed by) 161.4 118.67 P -2 F --0.47 (k) 284.86 118.67 P -1 F --0.2 ( from the mapping) 291.46 118.67 P -2 F --0.47 (a) 375 118.67 P -1 F --0.2 (; this can be used in expressions and) 381.6 118.67 P --0.62 (as the target of assignments or) 135 105.67 P -2 F --1.48 (del) 267.56 105.67 P -1 F --0.62 ( statements. The built-in function) 287.36 105.67 P -2 F --1.48 (len\050\051) 433.39 105.67 P -1 F --0.62 ( returns the num-) 466.39 105.67 P +(These) 148.82 131.67 T +(represent) 176.95 131.67 T +(finite) 219.14 131.67 T +(sets) 244.23 131.67 T +(of) 262.59 131.67 T +(objects) 273.62 131.67 T +(indexed) 306.65 131.67 T +(by) 343.35 131.67 T +(arbitrary) 356.21 131.67 T +(index) 395.95 131.67 T +(sets.) 422.26 131.67 T +(The) 443.38 131.67 T +(subscript) 462.35 131.67 T +(notation) 503.94 131.67 T +2 F +(a[k]) 135 118.67 T +1 F +(selects) 163.95 118.67 T +(the) 195.83 118.67 T +(item) 211.82 118.67 T +(indexed) 233.93 118.67 T +(by) 271.31 118.67 T +2 F +(k) 284.86 118.67 T +1 F +(from) 294.02 118.67 T +(the) 317.95 118.67 T +(mapping) 333.95 118.67 T +2 F +(a) 375 118.67 T +1 F +(;) 381.6 118.67 T +(this) 387.21 118.67 T +(can) 405.66 118.67 T +(be) 423.48 118.67 T +(used) 436.41 118.67 T +(in) 459.13 118.67 T +(expressions) 470.24 118.67 T +(and) 524.12 118.67 T +(as) 135 105.67 T +(the) 146.3 105.67 T +(target) 161.87 105.67 T +(of) 189.05 105.67 T +(assignments) 200.35 105.67 T +(or) 256.26 105.67 T +2 F +(del) 267.56 105.67 T +1 F +(statements.) 289.5 105.67 T +(The) 340.82 105.67 T +(built-in) 360.06 105.67 T +(function) 394.59 105.67 T +2 F +(len\050\051) 433.39 105.67 T +1 F +(returns) 468.52 105.67 T +(the) 501.2 105.67 T +(num-) 516.78 105.67 T (ber of items in a mapping.) 135 92.67 T -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "13" 19 %%Page: "14" 20 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (14) 76.5 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q (There is currently a single intrinsic mapping type:) 112.5 712.67 T 4 F (Dictionaries) 112.5 693.67 T 1 F -0.85 (These represent finite sets of objects indexed by nearly arbitrary values. The) 172.08 693.67 P -0.23 (only types of values not acceptable as keys are values containing lists or dictionaries or) 130.5 680.67 P --0.09 (other mutable types that are compared by value rather than by object identity \321 the rea-) 130.5 667.67 P -0.51 (son being that the efficient implementation of dictionaries requires a key\325s value to re-) 130.5 654.67 P -3.46 (main constant. Numeric types used for keys obey the normal rules for numeric) 130.5 641.67 P -0.18 (comparison: if two numbers compare equal \050e.g. 1 and 1.0\051 then they can be used inter-) 130.5 628.67 P +(These) 172.08 693.67 T +(represent) 201.95 693.67 T +(finite) 245.87 693.67 T +(sets) 272.69 693.67 T +(of) 292.8 693.67 T +(objects) 305.56 693.67 T +(indexed) 340.33 693.67 T +(by) 378.76 693.67 T +(nearly) 393.36 693.67 T +(arbitrary) 424.46 693.67 T +(values.) 465.94 693.67 T +(The) 500.39 693.67 T +(only) 130.5 680.67 T +(types) 153.04 680.67 T +(of) 179.25 680.67 T +(values) 191.4 680.67 T +(not) 222.49 680.67 T +(acceptable) 239.53 680.67 T +(as) 288.93 680.67 T +(keys) 301.08 680.67 T +(are) 324.23 680.67 T +(values) 340.64 680.67 T +(containing) 371.73 680.67 T +(lists) 421.16 680.67 T +(or) 441.88 680.67 T +(dictionaries) 454.03 680.67 T +(or) 508.34 680.67 T +(other) 130.5 667.67 T +(mutable) 155.77 667.67 T +(types) 193.88 667.67 T +(that) 219.76 667.67 T +(are) 238.93 667.67 T +(compared) 255.02 667.67 T +(by) 301.06 667.67 T +(value) 314.73 667.67 T +(rather) 341.22 667.67 T +(than) 369.53 667.67 T +(by) 391.14 667.67 T +(object) 404.8 667.67 T +(identity) 434.35 667.67 T +(\321) 470.63 667.67 T +(the) 484.3 667.67 T +(rea-) 500.41 667.67 T +(son) 130.5 654.67 T +(being) 149.04 654.67 T +(that) 176.74 654.67 T +(the) 196.51 654.67 T +(efficient) 213.21 654.67 T +(implementation) 253.12 654.67 T +(of) 325.44 654.67 T +(dictionaries) 337.87 654.67 T +(requires) 392.46 654.67 T +(a) 431.15 654.67 T +(key\325s) 439.29 654.67 T +(value) 466.38 654.67 T +(to) 493.47 654.67 T +(re-) 505.29 654.67 T +(main) 130.5 641.67 T +(constant.) 158.71 641.67 T +(Numeric) 204.33 641.67 T +(types) 249.02 641.67 T +(used) 278.45 641.67 T +(for) 304.82 641.67 T +(keys) 323.85 641.67 T +(obey) 350.22 641.67 T +(the) 377.81 641.67 T +(normal) 397.46 641.67 T +(rules) 434.83 641.67 T +(for) 462.42 641.67 T +(numeric) 481.45 641.67 T +(comparison:) 130.5 628.67 T +(if) 187.81 628.67 T +(two) 197.46 628.67 T +(numbers) 216.89 628.67 T +(compare) 257.71 628.67 T +(equal) 298.51 628.67 T +(\050e.g.) 325.27 628.67 T +(1) 347.74 628.67 T +(and) 356.17 628.67 T +(1.0\051) 374.98 628.67 T +(then) 395.33 628.67 T +(they) 417.2 628.67 T +(can) 439.07 628.67 T +(be) 457.27 628.67 T +(used) 470.58 628.67 T +(inter-) 493.67 628.67 T (changeably to index the same dictionary entry.) 130.5 615.67 T --0.29 (Dictionaries are mutable; 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Additional information about a) 130.5 396.67 P --0.19 (function\325s definition can be retrieved from its code object; see the description of internal) 130.5 383.67 P +(Special) 130.5 474.67 T +(read-only) 166.16 474.67 T +(attributes:) 211.6 474.67 T +2 F +(func_doc) 258.88 474.67 T +1 F +(or) 314.96 474.67 T +2 F +(__doc__) 327.41 474.67 T +1 F +(is) 376.89 474.67 T +(the) 387.51 474.67 T +(function\325s) 404.23 474.67 T +(documentation) 452.12 474.67 T +(string,) 130.5 461.67 T +(or) 162.81 461.67 T +2 F +(None) 176.47 461.67 T +1 F +(if) 207.37 461.67 T +(unavailable;) 218.6 461.67 T +2 F +(func_name) 276.86 461.67 T +1 F +(or) 340.77 461.67 T +2 F +(__name__) 354.43 461.67 T +1 F +(is) 411.73 461.67 T +(the) 423.57 461.67 T +(function\325s) 441.51 461.67 T +(name;) 490.62 461.67 T +2 F +(func_defaults) 130.5 448.67 T +1 F +(is) 220.15 448.67 T +(a) 231.33 448.67 T +(tuple) 240.06 448.67 T +(containing) 265.91 448.67 T +(default) 316.2 448.67 T +(argument) 350.59 448.67 T +(values) 395.98 448.67 T +(for) 427.93 448.67 T +(those) 444.61 448.67 T +(arguments) 471.67 448.67 T +(that) 130.5 435.67 T +(have) 150.56 435.67 T +(defaults,) 174.88 435.67 T +(or) 216.01 435.67 T +2 F +(None) 228.73 435.67 T +1 F +(if) 258.69 435.67 T +(no) 268.96 435.67 T +(arguments) 283.52 435.67 T +(have) 332.9 435.67 T +(a) 357.23 435.67 T +(default) 365.67 435.67 T +(value;) 399.77 435.67 T +2 F +(func_code) 430.21 435.67 T +1 F +(is) 493.17 435.67 T +(the) 504.06 435.67 T +(code) 130.5 422.67 T +(object) 154.56 422.67 T +(representing) 184.73 422.67 T +(the) 242.39 422.67 T +(compiled) 259.12 422.67 T +(function) 303.35 422.67 T +(body;) 343.3 422.67 T +2 F +(func_globals) 371.64 422.67 T +1 F +(is) 454.13 422.67 T +(\050a) 464.76 422.67 T +(reference) 476.59 422.67 T +(to\051) 130.5 409.67 T +(the) 145.4 409.67 T +(dictionary) 161.52 409.67 T +(that) 208.8 409.67 T +(holds) 227.98 409.67 T +(the) 254.49 409.67 T +(function\325s) 270.61 409.67 T +(global) 317.89 409.67 T +(variables) 348.07 409.67 T +(\321) 390.46 409.67 T +(it) 404.14 409.67 T +(defines) 412.93 409.67 T +(the) 447.38 409.67 T +(global) 463.5 409.67 T +(name) 493.67 409.67 T +(space) 130.5 396.67 T +(of) 158.03 396.67 T +(the) 170.29 396.67 T +(module) 186.82 396.67 T +(in) 222.92 396.67 T +(which) 234.57 396.67 T +(the) 264.55 396.67 T +(function) 281.09 396.67 T +(was) 320.85 396.67 T +(defined.) 341.05 396.67 T +(Additional) 379.89 396.67 T +(information) 430.04 396.67 T +(about) 485.08 396.67 T +(a) 512.62 396.67 T +(function\325s) 130.5 383.67 T +(definition) 177.66 383.67 T +(can) 223 383.67 T +(be) 240.82 383.67 T +(retrieved) 253.76 383.67 T +(from) 295.42 383.67 T +(its) 319.36 383.67 T +(code) 332.31 383.67 T +(object;) 355.63 383.67 T +(see) 388.13 383.67 T +(the) 404.73 383.67 T +(description) 420.73 383.67 T +(of) 472.17 383.67 T +(internal) 483.89 383.67 T (types below.) 130.5 370.67 T 4 F (User-defined methods) 112.5 351.67 T 1 F -2.17 (A user-defined method object \050a.k.a.) 218.21 351.67 P +(A) 218.21 351.67 T +(user-defined) 231.07 351.67 T +(method) 290.96 351.67 T +(object) 328.88 351.67 T +(\050a.k.a.) 360.68 351.67 T 3 F -2.17 (object closure) 392.77 351.67 P +(object) 392.77 351.67 T +(closure) 424.57 351.67 T 1 F -2.17 (\051 combines a) 456.96 351.67 P +(\051) 456.96 351.67 T +(combines) 465.54 351.67 T +(a) 512.62 351.67 T (class, a class instance \050or) 130.5 338.67 T 2 F (None) 243.52 338.67 T 1 F (\051 and a user-defined function.) 269.92 338.67 T -0.15 (Special read-only attributes:) 130.5 325.67 P -2 F -0.35 (im_self) 257.72 325.67 P -1 F -0.15 ( is the instance object;) 303.92 325.67 P -2 F -0.35 (im_func) 405.17 325.67 P -1 F -0.15 ( is the function) 451.37 325.67 P --0.38 (object;) 130.5 312.67 P -2 F --0.92 (im_class) 162.81 312.67 P -1 F --0.38 ( is the class that defined the method \050which may be a base class of the) 215.61 312.67 P -1.76 (class of which) 130.5 299.67 P -2 F -4.22 (im_self) 201.45 299.67 P -1 F -1.76 ( is an instance\051;) 247.65 299.67 P -2 F -4.22 (__doc__) 326.17 299.67 P -1 F -1.76 ( is the method\325s documentation) 372.37 299.67 P -6.14 (\050same as) 130.5 286.67 P -2 F -14.74 (im_func.__doc__) 183.71 286.67 P -1 F -6.14 (\051;) 282.71 286.67 P -2 F -14.74 (__name__) 298.32 286.67 P -1 F -6.14 ( is the method name \050same as) 351.12 286.67 P +(Special) 130.5 325.67 T +(read-only) 165.78 325.67 T +(attributes:) 210.83 325.67 T +2 F +(im_self) 257.72 325.67 T +1 F +(is) 306.82 325.67 T +(the) 317.05 325.67 T +(instance) 333.39 325.67 T +(object;) 372.33 325.67 T +2 F +(im_func) 405.17 325.67 T +1 F +(is) 454.27 325.67 T +(the) 464.5 325.67 T +(function) 480.84 325.67 T +(object;) 130.5 312.67 T +2 F +(im_class) 162.81 312.67 T +1 F +(is) 217.98 312.67 T +(the) 227.68 312.67 T +(class) 243.49 312.67 T +(that) 267.24 312.67 T +(defined) 286.11 312.67 T +(the) 321.46 312.67 T +(method) 337.27 312.67 T +(\050which) 372.64 312.67 T +(may) 405.55 312.67 T +(be) 426.86 312.67 T +(a) 439.61 312.67 T +(base) 446.86 312.67 T +(class) 468.78 312.67 T +(of) 492.53 312.67 T +(the) 504.06 312.67 T +(class) 130.5 299.67 T +(of) 156.39 299.67 T +(which) 170.06 299.67 T +2 F +(im_self) 201.45 299.67 T +1 F +(is) 252.16 299.67 T +(an) 264 299.67 T +(instance\051;) 278.89 299.67 T +2 F +(__doc__) 326.17 299.67 T +1 F +(is) 376.88 299.67 T +(the) 388.72 299.67 T +(method\325s) 406.67 299.67 T +(documentation) 452.12 299.67 T +(\050same) 130.5 286.67 T +(as) 165.66 286.67 T +2 F +(im_func.__doc__) 183.71 286.67 T +1 F +(\051;) 282.71 286.67 T +2 F +(__name__) 298.32 286.67 T +1 F +(is) 360.01 286.67 T +(the) 376.24 286.67 T +(method) 398.57 286.67 T +(name) 440.46 286.67 T +(\050same) 473.18 286.67 T +(as) 508.34 286.67 T 2 F (im_func.__name__) 130.5 273.67 T 1 F (\051.) 236.1 273.67 T --0.42 (User-defined method objects are created in two ways: when getting an attribute of a class) 130.5 256.67 P --0.47 (that is a user-defined function object, or when getting an attributes of a class instance that) 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In the former case \050class attribute\051, the) 130.5 230.67 P -2 F -1.28 (im_self) 456.41 230.67 P -1 F -0.53 ( at-) 502.61 230.67 P --0.01 (tribute is) 130.5 217.67 P -2 F --0.03 (None) 172.03 217.67 P -1 F --0.01 (, and the method object is said to be) 198.43 217.67 P +(User-defined) 130.5 256.67 T +(method) 190.25 256.67 T +(objects) 225.58 256.67 T +(are) 259.08 256.67 T +(created) 274.84 256.67 T +(in) 308.93 256.67 T +(two) 319.82 256.67 T +(ways:) 338.65 256.67 T +(when) 366.65 256.67 T +(getting) 392.8 256.67 T +(an) 425.69 256.67 T +(attribute) 438.41 256.67 T +(of) 477.4 256.67 T +(a) 488.9 256.67 T +(class) 496.11 256.67 T +(that) 130.5 243.67 T +(is) 149.28 243.67 T +(a) 158.89 243.67 T +(user-defined) 166.05 243.67 T +(function) 223.31 243.67 T +(object,) 262.25 243.67 T +(or) 294.16 243.67 T +(when) 305.6 243.67 T +(getting) 331.7 243.67 T +(an) 364.54 243.67 T +(attributes) 377.2 243.67 T +(of) 420.41 243.67 T +(a) 431.85 243.67 T +(class) 439.02 243.67 T +(instance) 462.68 243.67 T +(that) 501 243.67 T +(is) 130.5 230.67 T +(a) 141.12 230.67 T +(user-defined) 149.29 230.67 T +(function) 207.54 230.67 T +(object.) 247.49 230.67 T +(In) 280.41 230.67 T +(the) 292.85 230.67 T +(former) 309.58 230.67 T +(case) 342.79 230.67 T +(\050class) 365 230.67 T +(attribute\051,) 393.33 230.67 T +(the) 439.69 230.67 T +2 F +(im_self) 456.41 230.67 T +1 F +(at-) 505.89 230.67 T +(tribute) 130.5 217.67 T +(is) 161.96 217.67 T +2 F +(None) 172.03 217.67 T +1 F +(,) 198.43 217.67 T +(and) 203.92 217.67 T +(the) 222.54 217.67 T +(method) 238.71 217.67 T +(object) 274.45 217.67 T +(is) 304.07 217.67 T +(said) 314.14 217.67 T +(to) 334.6 217.67 T +(be) 345.89 217.67 T 3 F --0.01 (unbound) 359.02 217.67 P -1 F --0.01 (; in the latter case \050instance) 397.52 217.67 P -0.4 (attribute\051,) 130.5 204.67 P -2 F -0.95 (im_self) 176.72 204.67 P -1 F -0.4 ( is the instance, and the method object is said to be) 222.92 204.67 P +(unbound) 359.02 217.67 T +1 F +(;) 397.52 217.67 T +(in) 403.31 217.67 T +(the) 414.6 217.67 T +(latter) 430.78 217.67 T +(case) 456.12 217.67 T +(\050instance) 477.79 217.67 T +(attribute\051,) 130.5 204.67 T +2 F +(im_self) 176.72 204.67 T +1 F +(is) 226.07 204.67 T +(the) 236.55 204.67 T +(instance,) 253.14 204.67 T +(and) 295.08 204.67 T +(the) 314.11 204.67 T +(method) 330.7 204.67 T +(object) 366.85 204.67 T +(is) 396.87 204.67 T +(said) 407.36 204.67 T +(to) 428.22 204.67 T +(be) 439.93 204.67 T 3 F -0.4 (bound) 453.46 204.67 P +(bound) 453.46 204.67 T 1 F -0.4 (. For in-) 480.96 204.67 P --0.29 (stance, when) 130.5 191.67 P +(.) 480.96 204.67 T +(For) 486.85 204.67 T +(in-) 505.28 204.67 T +(stance,) 130.5 191.67 T +(when) 163.2 191.67 T 2 F --0.7 (C) 189.48 191.67 P +(C) 189.48 191.67 T 1 F --0.29 ( is a class which contains a definition for a function) 196.08 191.67 P +(is) 198.54 191.67 T +(a) 208.33 191.67 T +(class) 215.67 191.67 T +(which) 239.51 191.67 T +(contains) 268.86 191.67 T +(a) 307.98 191.67 T +(definition) 315.32 191.67 T +(for) 360.55 191.67 T +(a) 375.84 191.67 T +(function) 383.18 191.67 T 2 F --0.7 (f) 422.3 191.67 P +(f) 422.3 191.67 T 1 F --0.29 (,) 428.9 191.67 P +(,) 428.9 191.67 T 2 F --0.7 (C.f) 434.11 191.67 P +(C.f) 434.11 191.67 T 1 F --0.29 ( does not yield) 453.91 191.67 P --0.49 (the function object) 130.5 178.67 P +(does) 456.36 191.67 T +(not) 478.98 191.67 T +(yield) 495.5 191.67 T +(the) 130.5 178.67 T +(function) 146.2 178.67 T +(object) 185.12 178.67 T 2 F --1.18 (f) 214.26 178.67 P +(f) 214.26 178.67 T 1 F --0.49 (; rather, it yields an unbound method object m where) 220.86 178.67 P +(;) 220.86 178.67 T +(rather,) 226.18 178.67 T +(it) 256.84 178.67 T +(yields) 265.21 178.67 T +(an) 293.75 178.67 T +(unbound) 306.39 178.67 T +(method) 347.15 178.67 T +(object) 382.41 178.67 T +(m) 411.55 178.67 T +(where) 422.37 178.67 T 2 F --1.18 (m.im_class) 451.5 178.67 P +(m.im_class) 451.5 178.67 T 1 F -0.17 (is) 130.5 165.67 P +(is) 130.5 165.67 T 2 F -0.41 (C) 140.76 165.67 P +(C) 140.76 165.67 T 1 F -0.17 (,) 147.36 165.67 P +(,) 147.36 165.67 T 2 F -0.41 (m.im_function) 153.03 165.67 P +(m.im_function) 153.03 165.67 T 1 F -0.17 ( is) 238.83 165.67 P +(is) 241.75 165.67 T 2 F -0.41 (f) 252.01 165.67 P +(f) 252.01 165.67 T 1 F -0.17 (, and m) 258.61 165.67 P +(,) 258.61 165.67 T +(and) 264.28 165.67 T +(m) 283.08 165.67 T 2 F -0.41 (.im_self) 291.64 165.67 P +(.im_self) 291.64 165.67 T 1 F -0.17 ( is) 344.44 165.67 P +(is) 347.36 165.67 T 2 F -0.41 (None) 357.62 165.67 P +(None) 357.62 165.67 T 1 F -0.17 (. When) 384.02 165.67 P +(.) 384.02 165.67 T +(When) 389.69 165.67 T 2 F -0.41 (x) 418.88 165.67 P +(x) 418.88 165.67 T 1 F -0.17 ( is a) 425.48 165.67 P +(is) 428.4 165.67 T +(a) 438.66 165.67 T 2 F -0.41 (C) 446.46 165.67 P +(C) 446.46 165.67 T 1 F -0.17 ( instance,) 453.06 165.67 P +(instance,) 455.98 165.67 T 2 F -0.41 (x.f) 497.7 165.67 P +(x.f) 497.7 165.67 T 1 F --0.44 (yields a bound method object) 130.5 152.67 P +(yields) 130.5 152.67 T +(a) 159.09 152.67 T +(bound) 166.29 152.67 T +(method) 196.1 152.67 T +(object) 231.42 152.67 T 2 F --1.05 (m) 260.61 152.67 P +(m) 260.61 152.67 T 1 F --0.44 ( where) 267.21 152.67 P +(where) 269.53 152.67 T 2 F --1.05 (m.im_class) 298.71 152.67 P +(m.im_class) 298.71 152.67 T 1 F --0.44 ( is) 364.71 152.67 P +(is) 367.03 152.67 T 2 F --1.05 (C) 376.68 152.67 P +(C) 376.68 152.67 T 1 F --0.44 (,) 383.28 152.67 P +(,) 383.28 152.67 T 2 F --1.05 (m.im_function) 388.34 152.67 P +(m.im_function) 388.34 152.67 T 1 F --0.44 ( is) 474.14 152.67 P +(is) 476.45 152.67 T 2 F --1.05 (f,) 486.1 152.67 P +(f,) 486.1 152.67 T 1 F --0.44 ( and) 499.3 152.67 P +(and) 501.61 152.67 T 2 F (m.im_self) 130.5 139.67 T 1 F @@ -5575,77 +9897,118 @@ FrameNoSep (x) 202.74 139.67 T 1 F (.) 209.34 139.67 T -3.54 (When an unbound user-defined method object is called, the underlying function) 130.5 122.67 P -0.32 (\050) 130.5 109.67 P -2 F -0.76 (im_func) 134.16 109.67 P -1 F -0.32 (\051 is called, with the restriction that the first argument must be an instance of) 180.36 109.67 P +(When) 130.5 122.67 T +(an) 163.05 122.67 T +(unbound) 179.73 122.67 T +(user-defined) 224.51 122.67 T +(method) 285.77 122.67 T +(object) 325.06 122.67 T +(is) 358.23 122.67 T +(called,) 371.86 122.67 T +(the) 407.16 122.67 T +(underlying) 426.89 122.67 T +(function) 480.84 122.67 T +(\050) 130.5 109.67 T +2 F +(im_func) 134.16 109.67 T +1 F +(\051) 180.36 109.67 T +(is) 187.09 109.67 T +(called,) 197.5 109.67 T +(with) 229.58 109.67 T +(the) 252.21 109.67 T +(restriction) 268.71 109.67 T +(that) 316.39 109.67 T +(the) 335.95 109.67 T +(first) 352.46 109.67 T +(argument) 373.25 109.67 T +(must) 417.86 109.67 T +(be) 442.32 109.67 T +(an) 455.77 109.67 T +(instance) 469.22 109.67 T +(of) 508.34 109.67 T (the proper class \050) 130.5 96.67 T 2 F (im_class) 205.95 96.67 T 1 F (\051 or of a derived class thereof.) 258.75 96.67 T -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "14" 20 %%Page: "15" 21 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (15) 530 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 585 292.5 598.5 720 R 5 9 Q -(\245) 0 -90 592.5 720 TF -(Data model) 0 -90 592.5 711 TF +(\245) 0 270 592.5 720 TF +(Data model) 0 270 592.5 711 TF 585 292.5 598.5 720 R -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q --0.4 (When a bound user-defined method object is called, the underlying function \050) 153 712.67 P -2 F --0.96 (im_func) 490.14 712.67 P -1 F --0.4 (\051) 536.34 712.67 P -0.82 (is called, inserting the class instance \050) 153 699.67 P -2 F -1.96 (im_self) 323.8 699.67 P -1 F -0.82 (\051 in front of the argument list. For in-) 370 699.67 P --0.44 (stance, when) 153 686.67 P -2 F --1.06 (C) 211.68 686.67 P -1 F --0.44 ( is a class which contains a definition for a function) 218.28 686.67 P -2 F --1.06 (f) 442.86 686.67 P -1 F --0.44 (, and) 449.46 686.67 P -2 F --1.06 (x) 472.71 686.67 P -1 F --0.44 ( is an instance) 479.31 686.67 P +(When) 153 712.67 T +(a) 181.62 712.67 T +(bound) 188.85 712.67 T +(user-defined) 218.7 712.67 T +(method) 276.02 712.67 T +(object) 311.37 712.67 T +(is) 340.61 712.67 T +(called,) 350.29 712.67 T +(the) 381.66 712.67 T +(underlying) 397.45 712.67 T +(function) 447.46 712.67 T +(\050) 486.47 712.67 T +2 F +(im_func) 490.14 712.67 T +1 F +(\051) 536.34 712.67 T +(is) 153 699.67 T +(called,) 163.9 699.67 T +(inserting) 196.49 699.67 T +(the) 238.56 699.67 T +(class) 255.57 699.67 T +(instance) 280.52 699.67 T +(\050) 320.13 699.67 T +2 F +(im_self) 323.8 699.67 T +1 F +(\051) 370 699.67 T +(in) 377.23 699.67 T +(front) 389.35 699.67 T +(of) 414.31 699.67 T +(the) 427.04 699.67 T +(argument) 444.05 699.67 T +(list.) 489.16 699.67 T +(For) 508.93 699.67 T +(in-) 527.78 699.67 T +(stance,) 153 686.67 T +(when) 185.55 686.67 T +2 F +(C) 211.68 686.67 T +1 F +(is) 220.59 686.67 T +(a) 230.23 686.67 T +(class) 237.43 686.67 T +(which) 261.12 686.67 T +(contains) 290.31 686.67 T +(a) 329.28 686.67 T +(definition) 336.47 686.67 T +(for) 381.56 686.67 T +(a) 396.69 686.67 T +(function) 403.89 686.67 T +2 F +(f) 442.86 686.67 T +1 F +(,) 449.46 686.67 T +(and) 454.52 686.67 T +2 F +(x) 472.71 686.67 T +1 F +(is) 481.62 686.67 T +(an) 491.26 686.67 T +(instance) 503.95 686.67 T (of) 153 673.67 T 2 F (C) 164.91 673.67 T @@ -5659,65 +10022,204 @@ FrameNoSep (C.f\050x, 1\051) 354.72 673.67 T 1 F (.) 414.12 673.67 T -0.17 (Note that the transformation from function object to \050unbound or bound\051 method object) 153 656.67 P -0.4 (happens each time the attribute is retrieved from the class or instance. In some cases, a) 153 643.67 P -0.32 (fruitful optimization is to assign the attribute to a local variable and call that local vari-) 153 630.67 P -0.08 (able. Also notice that this transformation only happens for user-defined functions; other) 153 617.67 P +(Note) 153 656.67 T +(that) 177.3 656.67 T +(the) 196.73 656.67 T +(transformation) 213.09 656.67 T +(from) 280.77 656.67 T +(function) 305.08 656.67 T +(object) 344.66 656.67 T +(to) 374.47 656.67 T +(\050unbound) 385.95 656.67 T +(or) 431.03 656.67 T +(bound\051) 443.11 656.67 T +(method) 477.2 656.67 T +(object) 513.12 656.67 T +(happens) 153 643.67 T +(each) 192.2 643.67 T +(time) 215.51 643.67 T +(the) 238.22 643.67 T +(attribute) 254.82 643.67 T +(is) 294.63 643.67 T +(retrieved) 305.12 643.67 T +(from) 347.37 643.67 T +(the) 371.91 643.67 T +(class) 388.5 643.67 T +(or) 413.04 643.67 T +(instance.) 425.36 643.67 T +(In) 467.31 643.67 T +(some) 479.63 643.67 T +(cases,) 506 643.67 T +(a) 535.11 643.67 T +(fruitful) 153 630.67 T +(optimization) 187.23 630.67 T +(is) 245.92 630.67 T +(to) 256.33 630.67 T +(assign) 267.95 630.67 T +(the) 298.52 630.67 T +(attribute) 315.03 630.67 T +(to) 354.77 630.67 T +(a) 366.39 630.67 T +(local) 374.35 630.67 T +(variable) 398.8 630.67 T +(and) 437.3 630.67 T +(call) 456.26 630.67 T +(that) 475.21 630.67 T +(local) 494.78 630.67 T +(vari-) 519.23 630.67 T +(able.) 153 617.67 T +(Also) 176.9 617.67 T +(notice) 200.51 617.67 T +(that) 230.22 617.67 T +(this) 249.54 617.67 T +(transformation) 268.26 617.67 T +(only) 335.86 617.67 T +(happens) 358.24 617.67 T +(for) 397.11 617.67 T +(user-defined) 412.77 617.67 T +(functions;) 470.57 617.67 T +(other) 517.4 617.67 T (callable objects \050and all non-callable objects\051 are retrieved without transformation.) 153 604.67 T 4 F (Built-in functions) 135 585.67 T 1 F -0.01 (A built-in function object is a wrapper around a C function. Examples of) 219.96 585.67 P -0.86 (built-in functions are) 153 572.67 P -2 F -2.06 (len) 250.59 572.67 P -1 F -0.86 ( and) 270.39 572.67 P -2 F -2.06 (math.sin) 293.49 572.67 P -1 F -0.86 ( \050) 346.29 572.67 P -2 F -2.06 (math) 353.56 572.67 P -1 F -0.86 ( is a standard built-in module\051. The) 379.96 572.67 P -0.44 (number and type of the arguments are determined by the C function. Special read-only) 153 559.67 P -1.47 (attributes:) 153 546.67 P -2 F -3.52 (__doc__) 201.22 546.67 P -1 F -1.47 ( is the function\325s documentation string, or) 247.42 546.67 P -2 F -3.52 (None) 444.68 546.67 P -1 F -1.47 ( if unavailable;) 471.08 546.67 P -2 F -1.61 (__name__) 153 533.67 P -1 F -0.67 ( is the function\325s name;) 205.8 533.67 P -2 F -1.61 (__self__) 315.16 533.67 P -1 F -0.67 ( is set to) 367.96 533.67 P -2 F -1.61 (None) 409.76 533.67 P -1 F -0.67 ( \050but see the next para-) 436.16 533.67 P +(A) 219.96 585.67 T +(built-in) 230.67 585.67 T +(function) 265.83 585.67 T +(object) 305.26 585.67 T +(is) 334.9 585.67 T +(a) 345.01 585.67 T +(wrapper) 352.65 585.67 T +(around) 391.45 585.67 T +(a) 424.76 585.67 T +(C) 432.41 585.67 T +(function.) 442.51 585.67 T +(Examples) 484.69 585.67 T +(of) 530.84 585.67 T +(built-in) 153 572.67 T +(functions) 189 572.67 T +(are) 233.55 572.67 T +2 F +(len) 250.59 572.67 T +1 F +(and) 274 572.67 T +2 F +(math.sin) 293.49 572.67 T +1 F +(\050) 349.89 572.67 T +2 F +(math) 353.56 572.67 T +1 F +(is) 383.56 572.67 T +(a) 394.51 572.67 T +(standard) 403 572.67 T +(built-in) 443.87 572.67 T +(module\051.) 479.88 572.67 T +(The) 522.9 572.67 T +(number) 153 559.67 T +(and) 189.8 559.67 T +(type) 208.87 559.67 T +(of) 231.01 559.67 T +(the) 243.36 559.67 T +(arguments) 259.99 559.67 T +(are) 309.01 559.67 T +(determined) 325.63 559.67 T +(by) 378.31 559.67 T +(the) 392.51 559.67 T +(C) 409.14 559.67 T +(function.) 419.67 559.67 T +(Special) 462.27 559.67 T +(read-only) 497.85 559.67 T +(attributes:) 153 546.67 T +2 F +(__doc__) 201.22 546.67 T +1 F +(is) 251.63 546.67 T +(the) 263.19 546.67 T +(function\325s) 280.85 546.67 T +(documentation) 329.67 546.67 T +(string,) 399.27 546.67 T +(or) 431.3 546.67 T +2 F +(None) 444.68 546.67 T +1 F +(if) 475.29 546.67 T +(unavailable;) 486.23 546.67 T +2 F +(__name__) 153 533.67 T +1 F +(is) 209.22 533.67 T +(the) 219.98 533.67 T +(function\325s) 236.84 533.67 T +(name;) 284.86 533.67 T +2 F +(__self__) 315.16 533.67 T +1 F +(is) 371.38 533.67 T +(set) 382.14 533.67 T +(to) 397.78 533.67 T +2 F +(None) 409.76 533.67 T +1 F +(\050but) 439.58 533.67 T +(see) 460.72 533.67 T +(the) 478.18 533.67 T +(next) 495.04 533.67 T +(para-) 517.41 533.67 T (graph\051.) 153 520.67 T 4 F (Built-in methods) 135 501.67 T 1 F --0.65 (This is really a different disguise of a built-in function, this time containing) 216.29 501.67 P -0.11 (an object passed to the C function as an implicit extra argument. An example of a built-) 153 488.67 P -0.73 (in method is) 153 475.67 P -2 F -1.76 (list.append) 212.34 475.67 P -1 F -0.73 (, assuming) 284.94 475.67 P -2 F -1.76 (list) 336.22 475.67 P -1 F -0.73 ( is a list object. In this case, the special) 362.62 475.67 P +(This) 216.29 501.67 T +(is) 237.95 501.67 T +(really) 247.38 501.67 T +(a) 274.53 501.67 T +(different) 281.52 501.67 T +(disguise) 321.49 501.67 T +(of) 359.65 501.67 T +(a) 370.91 501.67 T +(built-in) 377.9 501.67 T +(function,) 412.39 501.67 T +(this) 453.9 501.67 T +(time) 471.9 501.67 T +(containing) 493.56 501.67 T +(an) 153 488.67 T +(object) 166.24 488.67 T +(passed) 195.99 488.67 T +(to) 228.17 488.67 T +(the) 239.59 488.67 T +(C) 255.89 488.67 T +(function) 266.09 488.67 T +(as) 305.61 488.67 T +(an) 317.63 488.67 T +(implicit) 330.87 488.67 T +(extra) 367.96 488.67 T +(argument.) 392.81 488.67 T +(An) 439.97 488.67 T +(example) 456.27 488.67 T +(of) 496.4 488.67 T +(a) 508.42 488.67 T +(built-) 516.16 488.67 T +(in) 153 475.67 T +(method) 165.04 475.67 T +(is) 201.52 475.67 T +2 F +(list.append) 212.34 475.67 T +1 F +(,) 284.94 475.67 T +(assuming) 291.18 475.67 T +2 F +(list) 336.22 475.67 T +1 F +(is) 366.1 475.67 T +(a) 376.92 475.67 T +(list) 385.29 475.67 T +(object.) 402.22 475.67 T +(In) 435.34 475.67 T +(this) 447.99 475.67 T +(case,) 467.36 475.67 T +(the) 492.53 475.67 T +(special) 509.45 475.67 T (read-only attribute) 153 462.67 T 2 F (__self__) 237.32 462.67 T @@ -5730,16 +10232,54 @@ FrameNoSep 4 F (Classes) 135 443.67 T 1 F --0.51 (Class objects are described below. When a class object is called, a new class instance) 171.97 443.67 P -2.98 (\050also described below\051 is created and returned. This implies a call to the class\325s) 153 430.67 P -2 F --0.98 (__init__) 153 417.67 P -1 F --0.41 ( method if it has one. Any arguments are passed on to the) 205.8 417.67 P -2 F --0.98 (__init__) 455.91 417.67 P -1 F --0.41 (meth-) 514.34 417.67 P +(Class) 171.97 443.67 T +(objects) 198.05 443.67 T +(are) 231.46 443.67 T +(described) 247.13 443.67 T +(below.) 291.52 443.67 T +(When) 323.4 443.67 T +(a) 351.91 443.67 T +(class) 359.04 443.67 T +(object) 382.66 443.67 T +(is) 411.79 443.67 T +(called,) 421.37 443.67 T +(a) 452.63 443.67 T +(new) 459.76 443.67 T +(class) 480.33 443.67 T +(instance) 503.95 443.67 T +(\050also) 153 430.67 T +(described) 180.11 430.67 T +(below\051) 228 430.67 T +(is) 264.27 430.67 T +(created) 277.34 430.67 T +(and) 314.83 430.67 T +(returned.) 336.44 430.67 T +(This) 381.57 430.67 T +(implies) 406.86 430.67 T +(a) 444.99 430.67 T +(call) 455.6 430.67 T +(to) 477.21 430.67 T +(the) 491.5 430.67 T +(class\325s) 510.67 430.67 T +2 F +(__init__) 153 417.67 T +1 F +(method) 208.14 417.67 T +(if) 243.49 417.67 T +(it) 252.55 417.67 T +(has) 261.01 417.67 T +(one.) 278.01 417.67 T +(Any) 298.99 417.67 T +(arguments) 320.27 417.67 T +(are) 368.44 417.67 T +(passed) 384.22 417.67 T +(on) 415.89 417.67 T +(to) 429.23 417.67 T +(the) 440.13 417.67 T +2 F +(__init__) 455.91 417.67 T +1 F +(meth-) 514.34 417.67 T (od \321 if there is no) 153 404.67 T 2 F (__init__) 238.55 404.67 T @@ -5748,16 +10288,38 @@ FrameNoSep 4 F (Class instances) 135 385.67 T 1 F --0.34 (Class instances are described below. Class instances can be called as a func-) 208.34 385.67 P -0.51 (tion only when the class has a) 153 372.67 P -2 F -1.24 (__call__) 290.73 372.67 P -1 F -0.51 ( method; in this case,) 343.53 372.67 P -2 F -1.24 (x\050arguments\051) 442.05 372.67 P -1 F -0.51 ( is a) 521.25 372.67 P +(Class) 208.34 385.67 T +(instances) 234.59 385.67 T +(are) 277.32 385.67 T +(described) 293.17 385.67 T +(below.) 337.73 385.67 T +(Class) 369.78 385.67 T +(instances) 396.02 385.67 T +(can) 438.76 385.67 T +(be) 456.44 385.67 T +(called) 469.24 385.67 T +(as) 497.92 385.67 T +(a) 509.49 385.67 T +(func-) 516.79 385.67 T +(tion) 153 372.67 T +(only) 173.38 372.67 T +(when) 196.21 372.67 T +(the) 223.3 372.67 T +(class) 240 372.67 T +(has) 264.65 372.67 T +(a) 282.58 372.67 T +2 F +(__call__) 290.73 372.67 T +1 F +(method;) 346.8 372.67 T +(in) 386.12 372.67 T +(this) 397.94 372.67 T +(case,) 417.1 372.67 T +2 F +(x\050arguments\051) 442.05 372.67 T +1 F +(is) 524.51 372.67 T +(a) 535.12 372.67 T (shorthand for) 153 359.67 T 2 F (x.__call__\050arguments\051) 214.71 359.67 T @@ -5766,478 +10328,1462 @@ FrameNoSep 4 F (Modules) 99 340.67 T 1 F --0.46 (Modules are imported by the) 142.09 340.67 P -2 F --1.11 (import) 269.62 340.67 P -1 F --0.46 ( statement. \050See \322The import statement\323 on page) 309.22 340.67 P --0.46 (43.\051) 522.59 340.67 P --0.11 (A module object has a name space implemented by a dictionary object \050this is the dictionary) 135 327.67 P -0.35 (referenced by the) 135 314.67 P -2 F -0.83 (func_globals) 215.14 314.67 P -1 F -0.35 ( attribute of functions defined in the module\051. Attribute) 294.34 314.67 P -4.83 (references are translated to lookups in this dictionary, e.g.) 135 301.67 P -2 F -11.6 (m.x) 435.73 301.67 P -1 F -4.83 ( is equivalent to) 455.53 301.67 P -2 F -1.5 (m.__dict__["x"]) 135 288.67 P -1 F -0.62 (. A module object does not contain the code object used to initialize) 234 288.67 P +(Modules) 142.09 340.67 T +(are) 182.88 340.67 T +(imported) 198.59 340.67 T +(by) 240.6 340.67 T +(the) 253.89 340.67 T +2 F +(import) 269.62 340.67 T +1 F +(statement.) 311.51 340.67 T +(\050See) 358.71 340.67 T +(\322The) 380.54 340.67 T +(import) 404.82 340.67 T +(statement\323) 436.45 340.67 T +(on) 485.78 340.67 T +(page) 499.07 340.67 T +(43.\051) 522.59 340.67 T +(A) 135 327.67 T +(module) 145.58 327.67 T +(object) 181.22 327.67 T +(has) 210.75 327.67 T +(a) 228.05 327.67 T +(name) 235.58 327.67 T +(space) 262.04 327.67 T +(implemented) 289.12 327.67 T +(by) 349.2 327.67 T +(a) 362.84 327.67 T +(dictionary) 370.36 327.67 T +(object) 417.61 327.67 T +(\050this) 447.14 327.67 T +(is) 469.33 327.67 T +(the) 479.31 327.67 T +(dictionary) 495.39 327.67 T +(referenced) 135 314.67 T +(by) 184.51 314.67 T +(the) 198.6 314.67 T +2 F +(func_globals) 215.14 314.67 T +1 F +(attribute) 297.44 314.67 T +(of) 337.2 314.67 T +(functions) 349.45 314.67 T +(defined) 393.49 314.67 T +(in) 429.58 314.67 T +(the) 441.23 314.67 T +(module\051.) 457.77 314.67 T +(Attribute) 500.28 314.67 T +(references) 135 301.67 T +(are) 187.77 301.67 T +(translated) 208.79 301.67 T +(to) 259.14 301.67 T +(lookups) 275.28 301.67 T +(in) 317.7 301.67 T +(this) 333.84 301.67 T +(dictionary,) 357.32 301.67 T +(e.g.) 412.26 301.67 T +2 F +(m.x) 435.73 301.67 T +1 F +(is) 463.11 301.67 T +(equivalent) 478.03 301.67 T +(to) 531.44 301.67 T +2 F +(m.__dict__["x"]) 135 288.67 T +1 F +(.) 234 288.67 T +(A) 240.12 288.67 T +(module) 251.44 288.67 T +(object) 287.82 288.67 T +(does) 318.08 288.67 T +(not) 341.62 288.67 T +(contain) 359.05 288.67 T +(the) 394.81 288.67 T +(code) 411.63 288.67 T +(object) 435.77 288.67 T +(used) 466.03 288.67 T +(to) 489.57 288.67 T +(initialize) 501.5 288.67 T (the module \050since it isn\325t needed once the initialization is done\051.) 135 275.67 T --0.54 (Attribute assignment update the module\325s name space dictionary, e.g. \324\324) 135 258.67 P -2 F --1.3 (m.x) 446.62 258.67 P --1.3 (=) 473.02 258.67 P --1.3 (1) 486.22 258.67 P -1 F --0.54 (\325\325 is equiv-) 492.82 258.67 P +(Attribute) 135 258.67 T +(assignment) 176.93 258.67 T +(update) 228.63 258.67 T +(the) 260.17 258.67 T +(module\325s) 275.82 258.67 T +(name) 318.97 258.67 T +(space) 345 258.67 T +(dictionary,) 371.64 258.67 T +(e.g.) 421.2 258.67 T +(\324\324) 439.29 258.67 T +2 F +(m.x) 446.62 258.67 T +(=) 473.02 258.67 T +(1) 486.22 258.67 T +1 F +(\325\325) 492.82 258.67 T +(is) 502.35 258.67 T +(equiv-) 511.89 258.67 T (alent to \324\324) 135 245.67 T 2 F (m.__dict__["x"] = 1) 177.77 245.67 T 1 F (\325\325.) 303.17 245.67 T -0.89 (Special read-only attribute:) 135 228.67 P -2 F -2.13 (__dict__) 260.16 228.67 P -1 F -0.89 ( is the dictionary object that is the module\325s name) 312.96 228.67 P +(Special) 135 228.67 T +(read-only) 171.02 228.67 T +(attribute:) 216.81 228.67 T +2 F +(__dict__) 260.16 228.67 T +1 F +(is) 316.6 228.67 T +(the) 327.57 228.67 T +(dictionary) 344.65 228.67 T +(object) 392.89 228.67 T +(that) 423.41 228.67 T +(is) 443.55 228.67 T +(the) 454.52 228.67 T +(module\325s) 471.6 228.67 T +(name) 516.17 228.67 T (space.) 135 215.67 T --0.44 (Predefined \050writable\051 attributes:) 135 198.67 P -2 F --1.07 (__name__) 276.94 198.67 P -1 F --0.44 (is the module name;) 335.28 198.67 P -2 F --1.07 (__doc__) 425.16 198.67 P -1 F --0.44 ( is the module\325s) 471.36 198.67 P -0.38 (documentation string, or) 135 185.67 P -2 F -0.92 (None) 246.76 185.67 P -1 F -0.38 ( if unavailable;) 273.16 185.67 P -2 F -0.92 (__file__) 343.05 185.67 P -1 F -0.38 ( is the pathname of the file from) 395.86 185.67 P -0.47 (which the module was loaded, if it was loaded from a file. The) 135 172.67 P -2 F -1.14 (__file__) 419.47 172.67 P -1 F -0.47 ( attribute is not) 472.27 172.67 P -0.86 (present for C modules that are statically linked into the interpreter; for extension modules) 135 159.67 P +(Predefined) 135 198.67 T +(\050writable\051) 184.96 198.67 T +(attributes:) 230.64 198.67 T +2 F +(__name__) 276.94 198.67 T +1 F +(is) 335.28 198.67 T +(the) 344.92 198.67 T +(module) 360.67 198.67 T +(name;) 395.97 198.67 T +2 F +(__doc__) 425.16 198.67 T +1 F +(is) 473.67 198.67 T +(the) 483.31 198.67 T +(module\325s) 499.06 198.67 T +(documentation) 135 185.67 T +(string,) 203.52 185.67 T +(or) 234.46 185.67 T +2 F +(None) 246.76 185.67 T +1 F +(if) 276.3 185.67 T +(unavailable;) 286.15 185.67 T +2 F +(__file__) 343.05 185.67 T +1 F +(is) 398.99 185.67 T +(the) 409.46 185.67 T +(pathname) 426.04 185.67 T +(of) 471.94 185.67 T +(the) 484.24 185.67 T +(file) 500.82 185.67 T +(from) 518.62 185.67 T +(which) 135 172.67 T +(the) 165.11 172.67 T +(module) 181.77 172.67 T +(was) 218 172.67 T +(loaded,) 238.33 172.67 T +(if) 273.63 172.67 T +(it) 283.57 172.67 T +(was) 292.91 172.67 T +(loaded) 313.24 172.67 T +(from) 345.79 172.67 T +(a) 370.4 172.67 T +(file.) 378.51 172.67 T +(The) 399.14 172.67 T +2 F +(__file__) 419.47 172.67 T +1 F +(attribute) 475.49 172.67 T +(is) 515.38 172.67 T +(not) 525.94 172.67 T +(present) 135 159.67 T +(for) 170.38 159.67 T +(C) 186.82 159.67 T +(modules) 197.76 159.67 T +(that) 238.65 159.67 T +(are) 258.76 159.67 T +(statically) 275.8 159.67 T +(linked) 319.14 159.67 T +(into) 350.25 159.67 T +(the) 370.97 159.67 T +(interpreter;) 388.03 159.67 T +(for) 440.51 159.67 T +(extension) 456.95 159.67 T +(modules) 502.72 159.67 T (loaded dynamically from a shared library, it is the pathname of the shared library file.) 135 146.67 T 4 F (Classes) 99 127.67 T 1 F -0.34 (Class objects are created by class definitions \050See \322Class definitions\323 on page) 135.97 127.67 P -0.34 (51.\051. A class) 484.33 127.67 P --0.62 (has a name space implemented by a dictionary object. Class attribute references are translated) 135 114.67 P -0.72 (to lookups in this dictionary, e.g. \324\324) 135 101.67 P -2 F -1.72 (C.x) 294.21 101.67 P -1 F -0.72 (\325\325 is translated to \324\324) 314.01 101.67 P -2 F -1.72 (C.__dict__["x"]) 401.19 101.67 P -1 F -0.72 (\325\325. When) 500.19 101.67 P -0.38 (the attribute name is not found there, the attribute search continues in the base classes. The) 135 88.67 P -0.02 (search is depth-first, left-to-right in the order of their occurrence in the base class list. When) 135 75.67 P -0 0 0 1 0 0 0 K +(Class) 135.97 127.67 T +(objects) 162.9 127.67 T +(are) 197.15 127.67 T +(created) 213.68 127.67 T +(by) 248.52 127.67 T +(class) 262.61 127.67 T +(definitions) 287.09 127.67 T +(\050See) 337.24 127.67 T +(\322Class) 359.88 127.67 T +(definitions\323) 391.69 127.67 T +(on) 446.72 127.67 T +(page) 460.81 127.67 T +(51.\051.) 484.33 127.67 T +(A) 507.58 127.67 T +(class) 518.62 127.67 T +(has) 135 114.67 T +(a) 151.8 114.67 T +(name) 158.82 114.67 T +(space) 184.77 114.67 T +(implemented) 211.34 114.67 T +(by) 270.92 114.67 T +(a) 284.05 114.67 T +(dictionary) 291.07 114.67 T +(object.) 337.81 114.67 T +(Class) 369.58 114.67 T +(attribute) 395.55 114.67 T +(references) 434.35 114.67 T +(are) 481.67 114.67 T +(translated) 497.23 114.67 T +(to) 135 101.67 T +(lookups) 147.02 101.67 T +(in) 185.33 101.67 T +(this) 197.35 101.67 T +(dictionary,) 216.71 101.67 T +(e.g.) 267.53 101.67 T +(\324\324) 286.88 101.67 T +2 F +(C.x) 294.21 101.67 T +1 F +(\325\325) 314.01 101.67 T +(is) 324.8 101.67 T +(translated) 335.61 101.67 T +(to) 381.84 101.67 T +(\324\324) 393.86 101.67 T +2 F +(C.__dict__["x"]) 401.19 101.67 T +1 F +(\325\325.) 500.19 101.67 T +(When) 513.73 101.67 T +(the) 135 88.67 T +(attribute) 151.57 88.67 T +(name) 191.37 88.67 T +(is) 218.32 88.67 T +(not) 228.79 88.67 T +(found) 245.98 88.67 T +(there,) 274.77 88.67 T +(the) 302.64 88.67 T +(attribute) 319.22 88.67 T +(search) 359.01 88.67 T +(continues) 390.23 88.67 T +(in) 435.53 88.67 T +(the) 447.22 88.67 T +(base) 463.79 88.67 T +(classes.) 486.47 88.67 T +(The) 522.89 88.67 T +(search) 135 75.67 T +(is) 165.86 75.67 T +(depth-first,) 175.96 75.67 T +(left-to-right) 227.3 75.67 T +(in) 281.39 75.67 T +(the) 292.72 75.67 T +(order) 308.93 75.67 T +(of) 334.9 75.67 T +(their) 346.83 75.67 T +(occurrence) 369.76 75.67 T +(in) 420.77 75.67 T +(the) 432.09 75.67 T +(base) 448.3 75.67 T +(class) 470.61 75.67 T +(list.) 494.76 75.67 T +(When) 513.73 75.67 T FMENDPAGE %%EndPage: "15" 21 %%Page: "16" 22 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (16) 76.5 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q -0.46 (a class attribute reference would yield a user-defined function object, it is transformed into) 112.5 712.67 P --0.56 (an unbound user-defined method object \050see above\051. The) 112.5 699.67 P -2 F --1.35 (im_class) 361.23 699.67 P -1 F --0.56 ( attribute of this method) 414.03 699.67 P --0.22 (object is the class in which the function object was found, not necessarily the class for which) 112.5 686.67 P +(a) 112.5 712.67 T +(class) 120.6 712.67 T +(attribute) 145.2 712.67 T +(reference) 185.07 712.67 T +(would) 229.2 712.67 T +(yield) 259.91 712.67 T +(a) 285.12 712.67 T +(user-defined) 293.22 712.67 T +(function) 351.41 712.67 T +(object,) 391.29 712.67 T +(it) 424.14 712.67 T +(is) 433.47 712.67 T +(transformed) 444.02 712.67 T +(into) 500.38 712.67 T +(an) 112.5 699.67 T +(unbound) 125.07 699.67 T +(user-defined) 165.76 699.67 T +(method) 222.92 699.67 T +(object) 258.11 699.67 T +(\050see) 287.18 699.67 T +(above\051.) 307.07 699.67 T +(The) 341.94 699.67 T +2 F +(im_class) 361.23 699.67 T +1 F +(attribute) 416.22 699.67 T +(of) 455.07 699.67 T +(this) 466.42 699.67 T +(method) 484.5 699.67 T +(object) 112.5 686.67 T +(is) 141.92 686.67 T +(the) 151.79 686.67 T +(class) 167.76 686.67 T +(in) 191.68 686.67 T +(which) 202.77 686.67 T +(the) 232.19 686.67 T +(function) 248.17 686.67 T +(object) 287.36 686.67 T +(was) 316.78 686.67 T +(found,) 336.42 686.67 T +(not) 367.36 686.67 T +(necessarily) 383.96 686.67 T +(the) 435.36 686.67 T +(class) 451.34 686.67 T +(for) 475.26 686.67 T +(which) 490.61 686.67 T (the attribute reference was initiated.) 112.5 673.67 T --0.53 (Class attribute assignments update the class\325s dictionary, never the dictionary of a base class.) 112.5 656.67 P +(Class) 112.5 656.67 T +(attribute) 138.56 656.67 T +(assignments) 177.44 656.67 T +(update) 233.44 656.67 T +(the) 264.98 656.67 T +(class\325s) 280.64 656.67 T +(dictionary,) 312.19 656.67 T +(never) 361.76 656.67 T +(the) 388.41 656.67 T +(dictionary) 404.07 656.67 T +(of) 450.9 656.67 T +(a) 462.28 656.67 T +(base) 469.38 656.67 T +(class.) 491.15 656.67 T (A class object can be called as a function \050see above\051 to yield a class instance \050see below\051.) 112.5 639.67 T -1.45 (Special read-only attributes:) 112.5 622.67 P -2 F -3.47 (__dict__) 243.63 622.67 P -1 F -1.45 ( is the dictionary that is the class\325s name space;) 296.43 622.67 P -2 F -0.96 (__name__) 112.5 609.67 P -1 F -0.4 ( is the class name;) 165.3 609.67 P -2 F -0.96 (__bases__) 250.1 609.67 P -1 F -0.4 ( is a tuple \050possibly empty or a singleton\051 con-) 309.5 609.67 P +(Special) 112.5 622.67 T +(read-only) 149.08 622.67 T +(attributes:) 195.43 622.67 T +2 F +(__dict__) 243.63 622.67 T +1 F +(is) 300.62 622.67 T +(the) 312.16 622.67 T +(dictionary) 329.8 622.67 T +(that) 378.6 622.67 T +(is) 399.29 622.67 T +(the) 410.83 622.67 T +(class\325s) 428.46 622.67 T +(name) 461.99 622.67 T +(space;) 490.01 622.67 T +2 F +(__name__) 112.5 609.67 T +1 F +(is) 168.45 609.67 T +(the) 178.94 609.67 T +(class) 195.53 609.67 T +(name;) 220.06 609.67 T +2 F +(__bases__) 250.1 609.67 T +1 F +(is) 312.65 609.67 T +(a) 323.13 609.67 T +(tuple) 331.17 609.67 T +(\050possibly) 356.32 609.67 T +(empty) 399.8 609.67 T +(or) 430.45 609.67 T +(a) 442.77 609.67 T +(singleton\051) 450.8 609.67 T +(con-) 497.95 609.67 T (taining the base classes, in the order of their occurrence in the base class list.) 112.5 596.67 T --0.43 (Predefined \050writable\051 attribute:) 112.5 579.67 P +(Predefined) 112.5 579.67 T +(\050writable\051) 162.47 579.67 T +(attribute:) 208.16 579.67 T 2 F --1.04 (__doc__) 250.2 579.67 P +(__doc__) 250.2 579.67 T 1 F --0.43 ( is the class\325s documentation string, or) 296.4 579.67 P +(is) 298.72 579.67 T +(the) 308.37 579.67 T +(class\325s) 324.13 579.67 T +(documentation) 355.77 579.67 T +(string,) 423.48 579.67 T +(or) 453.6 579.67 T 2 F --1.04 (None) 465.08 579.67 P +(None) 465.08 579.67 T 1 F --0.43 ( if un-) 491.48 579.67 P +(if) 493.8 579.67 T +(un-) 502.84 579.67 T (defined.) 112.5 566.67 T 4 F (Class instances) 76.5 547.67 T 1 F --0.33 (A class instance is created by calling a class object as a function \050see above\051. A class) 149.84 547.67 P -0.89 (instance has a name space implemented as a dictionary, which is the first place where in-) 112.5 534.67 P --0.35 (stance attributes are searched. When an attribute is not found there, the search continues with) 112.5 521.67 P -0.24 (the class attributes. If a class attribute is found that is a user-defined function object \050and in) 112.5 508.67 P --0.53 (no other case\051, it is transformed into an unbound user-defined method object \050see above\051. The) 112.5 495.67 P -2 F -3.5 (im_class) 112.5 482.67 P -1 F -1.46 ( attribute of this method object is the class in which the function object was) 165.3 482.67 P --0.35 (found, not necessarily the class of the instance for which the attribute reference was initiated.) 112.5 469.67 P -0.96 (If no class attribute is found, and the object\325s class has a) 112.5 456.67 P -2 F -2.3 (__getattr__) 374.19 456.67 P -1 F -0.96 ( method, that is) 446.79 456.67 P +(A) 149.84 547.67 T +(class) 160.2 547.67 T +(instance) 184 547.67 T +(is) 222.46 547.67 T +(created) 232.22 547.67 T +(by) 266.39 547.67 T +(calling) 279.81 547.67 T +(a) 312.17 547.67 T +(class) 319.47 547.67 T +(object) 343.27 547.67 T +(as) 372.57 547.67 T +(a) 384.15 547.67 T +(function) 391.45 547.67 T +(\050see) 430.53 547.67 T +(above\051.) 450.66 547.67 T +(A) 485.76 547.67 T +(class) 496.12 547.67 T +(instance) 112.5 534.67 T +(has) 152.19 534.67 T +(a) 170.49 534.67 T +(name) 179.02 534.67 T +(space) 206.48 534.67 T +(implemented) 234.56 534.67 T +(as) 295.64 534.67 T +(a) 308.44 534.67 T +(dictionary,) 316.97 534.67 T +(which) 367.96 534.67 T +(is) 398.49 534.67 T +(the) 409.47 534.67 T +(first) 426.55 534.67 T +(place) 447.91 534.67 T +(where) 474.76 534.67 T +(in-) 505.28 534.67 T +(stance) 112.5 521.67 T +(attributes) 142.38 521.67 T +(are) 185.72 521.67 T +(searched.) 201.55 521.67 T +(When) 245.17 521.67 T +(an) 273.84 521.67 T +(attribute) 286.62 521.67 T +(is) 325.67 521.67 T +(not) 335.41 521.67 T +(found) 351.86 521.67 T +(there,) 379.92 521.67 T +(the) 407.05 521.67 T +(search) 422.89 521.67 T +(continues) 453.38 521.67 T +(with) 497.94 521.67 T +(the) 112.5 508.67 T +(class) 128.93 508.67 T +(attributes.) 153.31 508.67 T +(If) 199.99 508.67 T +(a) 210.31 508.67 T +(class) 218.19 508.67 T +(attribute) 242.56 508.67 T +(is) 282.22 508.67 T +(found) 292.55 508.67 T +(that) 321.2 508.67 T +(is) 340.7 508.67 T +(a) 351.02 508.67 T +(user-defined) 358.9 508.67 T +(function) 416.87 508.67 T +(object) 456.53 508.67 T +(\050and) 486.4 508.67 T +(in) 508.94 508.67 T +(no) 112.5 495.67 T +(other) 125.72 495.67 T +(case\051,) 150.55 495.67 T +(it) 178.11 495.67 T +(is) 186.45 495.67 T +(transformed) 196.01 495.67 T +(into) 251.38 495.67 T +(an) 270.71 495.67 T +(unbound) 283.32 495.67 T +(user-defined) 324.04 495.67 T +(method) 381.24 495.67 T +(object) 416.46 495.67 T +(\050see) 445.56 495.67 T +(above\051.) 465.49 495.67 T +(The) 500.39 495.67 T +2 F +(im_class) 112.5 482.67 T +1 F +(attribute) 169.51 482.67 T +(of) 210.38 482.67 T +(this) 223.75 482.67 T +(method) 243.85 482.67 T +(object) 281.05 482.67 T +(is) 312.15 482.67 T +(the) 323.69 482.67 T +(class) 341.34 482.67 T +(in) 366.93 482.67 T +(which) 379.69 482.67 T +(the) 410.79 482.67 T +(function) 428.43 482.67 T +(object) 469.3 482.67 T +(was) 500.39 482.67 T +(found,) 112.5 469.67 T +(not) 143.31 469.67 T +(necessarily) 159.76 469.67 T +(the) 211.03 469.67 T +(class) 226.87 469.67 T +(of) 250.65 469.67 T +(the) 262.21 469.67 T +(instance) 278.05 469.67 T +(for) 316.49 469.67 T +(which) 331.71 469.67 T +(the) 360.99 469.67 T +(attribute) 376.83 469.67 T +(reference) 415.89 469.67 T +(was) 459.19 469.67 T +(initiated.) 478.69 469.67 T +(If) 112.5 456.67 T +(no) 123.53 456.67 T +(class) 138.24 456.67 T +(attribute) 163.33 456.67 T +(is) 203.7 456.67 T +(found,) 214.75 456.67 T +(and) 246.87 456.67 T +(the) 266.46 456.67 T +(object\325s) 283.61 456.67 T +(class) 322.14 456.67 T +(has) 347.23 456.67 T +(a) 365.6 456.67 T +2 F +(__getattr__) 374.19 456.67 T +1 F +(method,) 450.5 456.67 T +(that) 489.96 456.67 T +(is) 510.16 456.67 T (called to satisfy the lookup.) 112.5 443.67 T -0.38 (Attribute assignments and deletions update the instance\325s dictionary, never a class\325s dictio-) 112.5 426.67 P -0.18 (nary. If the class has a) 112.5 413.67 P -2 F -0.44 (__setattr__) 214.1 413.67 P -1 F -0.18 ( or) 286.7 413.67 P -2 F -0.44 (__delattr__) 301.72 413.67 P -1 F -0.18 ( method, this is called instead of) 374.32 413.67 P +(Attribute) 112.5 426.67 T +(assignments) 155.35 426.67 T +(and) 212.26 426.67 T +(deletions) 231.27 426.67 T +(update) 274.12 426.67 T +(the) 306.58 426.67 T +(instance\325s) 323.15 426.67 T +(dictionary,) 370.27 426.67 T +(never) 420.75 426.67 T +(a) 448.31 426.67 T +(class\325s) 456.32 426.67 T +(dictio-) 488.78 426.67 T +(nary.) 112.5 413.67 T +(If) 137.73 413.67 T +(the) 147.99 413.67 T +(class) 164.37 413.67 T +(has) 188.68 413.67 T +(a) 206.28 413.67 T +2 F +(__setattr__) 214.1 413.67 T +1 F +(or) 289.63 413.67 T +2 F +(__delattr__) 301.72 413.67 T +1 F +(method,) 377.26 413.67 T +(this) 415.94 413.67 T +(is) 434.77 413.67 T +(called) 445.04 413.67 T +(instead) 474.24 413.67 T +(of) 508.34 413.67 T (updating the instance dictionary directly.) 112.5 400.67 T -1.16 (Class instances can pretend to be numbers, sequences, mappings, or callable objects, and) 112.5 383.67 P -0.55 (override various other special operations, if they have methods with certain special names.) 112.5 370.67 P +(Class) 112.5 383.67 T +(instances) 140.25 383.67 T +(can) 184.49 383.67 T +(pretend) 203.67 383.67 T +(to) 240.57 383.67 T +(be) 253.04 383.67 T +(numbers,) 267.34 383.67 T +(sequences,) 311.89 383.67 T +(mappings,) 363.15 383.67 T +(or) 412.59 383.67 T +(callable) 425.67 383.67 T +(objects,) 463.79 383.67 T +(and) 501.62 383.67 T +(override) 112.5 370.67 T +(various) 152.46 370.67 T +(other) 188.14 370.67 T +(special) 214.05 370.67 T +(operations,) 247.9 370.67 T +(if) 299.78 370.67 T +(they) 309.8 370.67 T +(have) 332.05 370.67 T +(methods) 356.12 370.67 T +(with) 396.7 370.67 T +(certain) 419.56 370.67 T +(special) 452.8 370.67 T +(names.) 486.64 370.67 T (See \322Special method names\323 on page) 112.5 357.67 T (18.) 279.91 357.67 T -1.29 (Special attributes:) 112.5 340.67 P -2 F -3.1 (__dict__) 196.97 340.67 P -1 F -1.29 ( yields the attribute dictionary;) 249.77 340.67 P -2 F -3.1 (__class__) 394.03 340.67 P -1 F -1.29 ( yields the in-) 453.43 340.67 P -0.41 (stance\325s class. In some implementations these may be assigned a new value; the new value) 112.5 327.67 P +(Special) 112.5 340.67 T +(attributes:) 148.93 340.67 T +2 F +(__dict__) 196.97 340.67 T +1 F +(yields) 253.81 340.67 T +(the) 284.13 340.67 T +(attribute) 301.62 340.67 T +(dictionary;) 342.32 340.67 T +2 F +(__class__) 394.03 340.67 T +1 F +(yields) 457.47 340.67 T +(the) 487.79 340.67 T +(in-) 505.28 340.67 T +(stance\325s) 112.5 327.67 T +(class.) 151.09 327.67 T +(In) 178.38 327.67 T +(some) 190.7 327.67 T +(implementations) 217.08 327.67 T +(these) 293.58 327.67 T +(may) 319.34 327.67 T +(be) 341.44 327.67 T +(assigned) 354.98 327.67 T +(a) 396.02 327.67 T +(new) 404.06 327.67 T +(value;) 425.55 327.67 T +(the) 455.59 327.67 T +(new) 472.19 327.67 T +(value) 493.67 327.67 T (must have the same type as the old value.) 112.5 314.67 T 4 F (Files) 76.5 295.67 T 1 F --0.59 (A file object represents an open file. File objects are created by the) 112.5 295.67 P -2 F --1.41 (open\050\051) 401.77 295.67 P -1 F --0.59 ( built-in function,) 441.37 295.67 P -0.78 (and also by) 112.5 282.67 P -2 F -1.86 (os.popen\050\051) 167.68 282.67 P -1 F -0.78 (,) 233.68 282.67 P -2 F -1.86 (os.fdopen\050\051) 239.96 282.67 P -1 F -0.78 ( and the) 312.56 282.67 P -2 F -1.86 (makefile\050\051) 352.46 282.67 P -1 F -0.78 ( method of socket ob-) 418.46 282.67 P -0.51 (jects \050and perhaps by other functions or methods provided by extension modules\051. The ob-) 112.5 269.67 P -4.25 (jects) 112.5 256.67 P -2 F -10.2 (sys.stdin) 139.66 256.67 P -1 F -4.25 (,) 199.06 256.67 P -2 F -10.2 (sys.stdout) 208.81 256.67 P -1 F -4.25 ( and) 274.81 256.67 P -2 F -10.2 (sys.stderr) 304.69 256.67 P -1 F -4.25 ( are initialized to file objects) 370.69 256.67 P --0.6 (corresponding to the interpreter\325s standard input, output and error streams. See the Python Li-) 112.5 243.67 P +(A) 112.5 295.67 T +(file) 122.6 295.67 T +(object) 139.43 295.67 T +(represents) 168.47 295.67 T +(an) 215.23 295.67 T +(open) 227.77 295.67 T +(file.) 251.32 295.67 T +(File) 270.89 295.67 T +(objects) 290.17 295.67 T +(are) 323.49 295.67 T +(created) 339.09 295.67 T +(by) 373.01 295.67 T +(the) 386.17 295.67 T +2 F +(open\050\051) 401.77 295.67 T +1 F +(built-in) 443.53 295.67 T +(function,) 478.09 295.67 T +(and) 112.5 282.67 T +(also) 131.91 282.67 T +(by) 153.16 282.67 T +2 F +(os.popen\050\051) 167.68 282.67 T +1 F +(,) 233.68 282.67 T +2 F +(os.fdopen\050\051) 239.96 282.67 T +1 F +(and) 316.09 282.67 T +(the) 335.5 282.67 T +2 F +(makefile\050\051) 352.46 282.67 T +1 F +(method) 421.99 282.67 T +(of) 458.52 282.67 T +(socket) 471.21 282.67 T +(ob-) 502.84 282.67 T +(jects) 112.5 269.67 T +(\050and) 135.92 269.67 T +(perhaps) 158.73 269.67 T +(by) 196.2 269.67 T +(other) 210.46 269.67 T +(functions) 236.32 269.67 T +(or) 280.52 269.67 T +(methods) 292.94 269.67 T +(provided) 333.48 269.67 T +(by) 375.84 269.67 T +(extension) 390.1 269.67 T +(modules\051.) 435.52 269.67 T +(The) 482.47 269.67 T +(ob-) 502.84 269.67 T +(jects) 112.5 256.67 T +2 F +(sys.stdin) 139.66 256.67 T +1 F +(,) 199.06 256.67 T +2 F +(sys.stdout) 208.81 256.67 T +1 F +(and) 281.81 256.67 T +2 F +(sys.stderr) 304.69 256.67 T +1 F +(are) 377.69 256.67 T +(initialized) 398.12 256.67 T +(to) 449.12 256.67 T +(file) 464.67 256.67 T +(objects) 486.34 256.67 T +(corresponding) 112.5 243.67 T +(to) 177.59 243.67 T +(the) 188.3 243.67 T +(interpreter\325s) 203.89 243.67 T +(standard) 259.81 243.67 T +(input,) 299.23 243.67 T +(output) 326.75 243.67 T +(and) 357.02 243.67 T +(error) 375.06 243.67 T +(streams.) 398.58 243.67 T +(See) 437.1 243.67 T +(the) 455.13 243.67 T +(Python) 470.73 243.67 T +(Li-) 504.06 243.67 T (brary Reference for complete documentation of file objects.) 112.5 230.67 T 4 F (Internal types) 76.5 211.67 T 1 F --0.69 (A few types used internally by the interpreter are exposed to the user. Their definitions) 144.94 211.67 P --0.42 (may change with future versions of the interpreter, but they are mentioned here for complete-) 112.5 198.67 P +(A) 144.94 211.67 T +(few) 154.95 211.67 T +(types) 173.5 211.67 T +(used) 198.78 211.67 T +(internally) 221.01 211.67 T +(by) 265.24 211.67 T +(the) 278.3 211.67 T +(interpreter) 293.8 211.67 T +(are) 341.68 211.67 T +(exposed) 357.18 211.67 T +(to) 395.29 211.67 T +(the) 405.91 211.67 T +(user.) 421.41 211.67 T +(Their) 444.55 211.67 T +(definitions) 470.44 211.67 T +(may) 112.5 198.67 T +(change) 133.77 198.67 T +(with) 167.26 198.67 T +(future) 189.14 198.67 T +(versions) 217.74 198.67 T +(of) 256.74 198.67 T +(the) 268.23 198.67 T +(interpreter,) 284 198.67 T +(but) 334.9 198.67 T +(they) 351.29 198.67 T +(are) 372.56 198.67 T +(mentioned) 388.32 198.67 T +(here) 437.09 198.67 T +(for) 458.35 198.67 T +(complete-) 473.51 198.67 T (ness.) 112.5 185.67 T 4 F (Code objects) 112.5 166.67 T 1 F --0.45 (Code objects represent) 175.43 166.67 P +(Code) 175.43 166.67 T +(objects) 200.95 166.67 T +(represent) 234.42 166.67 T 3 F --0.45 (byte-compile) 277.04 166.67 P +(byte-compile) 277.04 166.67 T 1 F --0.45 ( executable Python code, or) 333.85 166.67 P +(executable) 336.15 166.67 T +(Python) 385.49 166.67 T +(code,) 418.96 166.67 T +(or) 444.78 166.67 T 3 F --0.45 (bytecode) 456.25 166.67 P -1 F --0.45 (. The) 495.34 166.67 P --0.5 (difference between a code object and a function object is that the function object contains) 130.5 153.67 P -0.23 (an explicit reference to the function\325s globals \050the name space dictionary of the module) 130.5 140.67 P -0.18 (in which it was defined\051, while a code object contains no context; also the default argu-) 130.5 127.67 P --0.02 (ment values are stored in the function object, not in the code object \050because they repre-) 130.5 114.67 P -0.1 (sent values calculated at run-time\051. Unlike function objects, code objects are immutable) 130.5 101.67 P +(bytecode) 456.25 166.67 T +1 F +(.) 495.34 166.67 T +(The) 500.39 166.67 T +(difference) 130.5 153.67 T +(between) 177.33 153.67 T +(a) 216.22 153.67 T +(code) 223.35 153.67 T +(object) 246.37 153.67 T +(and) 275.49 153.67 T +(a) 293.62 153.67 T +(function) 300.75 153.67 T +(object) 339.66 153.67 T +(is) 368.79 153.67 T +(that) 378.37 153.67 T +(the) 397.11 153.67 T +(function) 412.8 153.67 T +(object) 451.71 153.67 T +(contains) 480.84 153.67 T +(an) 130.5 140.67 T +(explicit) 143.87 140.67 T +(reference) 179.85 140.67 T +(to) 223.74 140.67 T +(the) 235.27 140.67 T +(function\325s) 251.7 140.67 T +(globals) 299.28 140.67 T +(\050the) 334.04 140.67 T +(name) 354.13 140.67 T +(space) 380.94 140.67 T +(dictionary) 408.35 140.67 T +(of) 455.93 140.67 T +(the) 468.08 140.67 T +(module) 484.5 140.67 T +(in) 130.5 127.67 T +(which) 141.99 127.67 T +(it) 171.8 127.67 T +(was) 180.84 127.67 T +(defined\051,) 200.88 127.67 T +(while) 243.21 127.67 T +(a) 270.58 127.67 T +(code) 278.39 127.67 T +(object) 302.09 127.67 T +(contains) 331.9 127.67 T +(no) 371.49 127.67 T +(context;) 385.42 127.67 T +(also) 423.79 127.67 T +(the) 444.44 127.67 T +(default) 460.81 127.67 T +(argu-) 494.29 127.67 T +(ment) 130.5 114.67 T +(values) 155.23 114.67 T +(are) 186.06 114.67 T +(stored) 202.21 114.67 T +(in) 231.83 114.67 T +(the) 243.11 114.67 T +(function) 259.28 114.67 T +(object,) 298.67 114.67 T +(not) 331.03 114.67 T +(in) 347.81 114.67 T +(the) 359.1 114.67 T +(code) 375.27 114.67 T +(object) 398.76 114.67 T +(\050because) 428.37 114.67 T +(they) 469.57 114.67 T +(repre-) 491.24 114.67 T +(sent) 130.5 101.67 T +(values) 151.08 101.67 T +(calculated) 182.04 101.67 T +(at) 229.48 101.67 T +(run-time\051.) 240.28 101.67 T +(Unlike) 287.43 101.67 T +(function) 320.23 101.67 T +(objects,) 359.75 101.67 T +(code) 396.52 101.67 T +(objects) 420.14 101.67 T +(are) 454.16 101.67 T +(immutable) 470.44 101.67 T (and contain no references \050directly or indirectly\051 to mutable objects.) 130.5 88.67 T -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "16" 22 %%Page: "17" 23 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (17) 530 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 585 292.5 598.5 720 R 5 9 Q -(\245) 0 -90 592.5 720 TF -(Data model) 0 -90 592.5 711 TF +(\245) 0 270 592.5 720 TF +(Data model) 0 270 592.5 711 TF 585 292.5 598.5 720 R -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q --0.03 (Special read-only attributes:) 153 712.67 P -2 F --0.07 (co_argcount) 279.7 712.67 P -1 F --0.03 ( is the number of positional arguments \050in-) 352.3 712.67 P -0.21 (cluding arguments with default values\051;) 153 699.67 P -2 F -0.51 (co_nlocals) 331.58 699.67 P -1 F -0.21 ( is the number of local variables) 397.58 699.67 P -1 (used by the function \050including arguments\051;) 153 686.67 P -2 F -2.4 (co_varnames) 354.54 686.67 P -1 F -1 ( is a tuple containing the) 427.14 686.67 P -0.76 (names of the local variables \050starting with the argument names\051;) 153 673.67 P -2 F -1.83 (co_code) 445.98 673.67 P -1 F -0.76 ( is a string) 492.18 673.67 P -0.8 (representing the sequence of bytecode instructions;) 153 660.67 P -2 F -1.93 (co_consts) 385.72 660.67 P -1 F -0.8 ( is a tuple containing) 445.12 660.67 P --0.31 (the literals used by the bytecode;) 153 647.67 P -2 F --0.74 (co_names) 298.41 647.67 P -1 F --0.31 ( is a tuple containing the names used by the) 351.21 647.67 P -4.13 (bytecode;) 153 634.67 P -2 F -9.91 (co_filename) 202.65 634.67 P -1 F -4.13 ( is the filename from which the code was compiled;) 275.25 634.67 P -2 F -1.13 (co_flags) 153 621.67 P -1 F -0.47 ( is an integer encoding a number of flags for the interpreter. The following) 205.8 621.67 P --0.56 (flag bits are defined: bit 2 is set if the function uses the \322) 153 608.67 P -2 F --1.34 (*arguments) 394.73 608.67 P -1 F --0.56 (\325\325 syntax to accept) 460.73 608.67 P -2.81 (an arbitrary number of positional arguments; bit 3 is set if the function uses the) 153 595.67 P -0.11 (\324\324) 153 582.67 P -2 F -0.25 (**keywords) 160.33 582.67 P -1 F -0.11 (\325\325 syntax to accept arbitrary keyword arguments; other bits are used in-) 226.33 582.67 P -0.48 (ternally or reserved for future use. The first item in) 153 569.67 P -2 F -1.15 (co_consts) 384.75 569.67 P -1 F -0.48 ( is the documentation) 444.15 569.67 P -0.1 (string of the function, or) 153 556.67 P -2 F -0.23 (None) 263.47 556.67 P -1 F -0.1 ( if undefined. To find out the first line number of a func-) 289.87 556.67 P -1.57 (tion, you have to disassemble the bytecode instructions; the standard library module) 153 543.67 P -2 F -2.59 (codehack) 153 530.67 P -1 F -1.08 ( defines a function) 205.8 530.67 P -2 F -2.59 (getlineno\050\051) 294.42 530.67 P -1 F -1.08 ( that returns the first line number of a) 367.02 530.67 P +(Special) 153 712.67 T +(read-only) 188.1 712.67 T +(attributes:) 232.98 712.67 T +2 F +(co_argcount) 279.7 712.67 T +1 F +(is) 355.02 712.67 T +(the) 365.08 712.67 T +(number) 381.24 712.67 T +(of) 417.57 712.67 T +(positional) 429.45 712.67 T +(arguments) 475.57 712.67 T +(\050in-) 524.12 712.67 T +(cluding) 153 699.67 T +(arguments) 188.96 699.67 T +(with) 237.75 699.67 T +(default) 260.27 699.67 T +(values\051;) 293.79 699.67 T +2 F +(co_nlocals) 331.58 699.67 T +1 F +(is) 400.54 699.67 T +(the) 410.84 699.67 T +(number) 427.25 699.67 T +(of) 463.82 699.67 T +(local) 475.94 699.67 T +(variables) 500.29 699.67 T +(used) 153 686.67 T +(by) 176.91 686.67 T +(the) 191.66 686.67 T +(function) 208.86 686.67 T +(\050including) 249.27 686.67 T +(arguments\051;) 298.24 686.67 T +2 F +(co_varnames) 354.54 686.67 T +1 F +(is) 430.89 686.67 T +(a) 441.98 686.67 T +(tuple) 450.61 686.67 T +(containing) 476.36 686.67 T +(the) 526.56 686.67 T +(names) 153 673.67 T +(of) 184.62 673.67 T +(the) 197.3 673.67 T +(local) 214.25 673.67 T +(variables) 239.15 673.67 T +(\050starting) 282.37 673.67 T +(with) 322.55 673.67 T +(the) 345.62 673.67 T +(argument) 362.58 673.67 T +(names\051;) 407.64 673.67 T +2 F +(co_code) 445.98 673.67 T +1 F +(is) 495.69 673.67 T +(a) 506.54 673.67 T +(string) 514.94 673.67 T +(representing) 153 660.67 T +(the) 210.93 660.67 T +(sequence) 227.92 660.67 T +(of) 271.79 660.67 T +(bytecode) 284.51 660.67 T +(instructions;) 327.77 660.67 T +2 F +(co_consts) 385.72 660.67 T +1 F +(is) 448.67 660.67 T +(a) 459.57 660.67 T +(tuple) 468 660.67 T +(containing) 493.56 660.67 T +(the) 153 647.67 T +(literals) 168.88 647.67 T +(used) 201.27 647.67 T +(by) 223.87 647.67 T +(the) 237.31 647.67 T +(bytecode;) 253.2 647.67 T +2 F +(co_names) 298.41 647.67 T +1 F +(is) 353.65 647.67 T +(a) 363.43 647.67 T +(tuple) 370.76 647.67 T +(containing) 395.2 647.67 T +(the) 444.08 647.67 T +(names) 459.96 647.67 T +(used) 490.51 647.67 T +(by) 513.12 647.67 T +(the) 526.56 647.67 T +(bytecode;) 153 634.67 T +2 F +(co_filename) 202.65 634.67 T +1 F +(is) 282.12 634.67 T +(the) 296.34 634.67 T +(filename) 316.66 634.67 T +(from) 362.03 634.67 T +(which) 390.29 634.67 T +(the) 424.05 634.67 T +(code) 444.37 634.67 T +(was) 472.02 634.67 T +(compiled;) 496 634.67 T +2 F +(co_flags) 153 621.67 T +1 F +(is) 209.02 621.67 T +(an) 219.58 621.67 T +(integer) 233.18 621.67 T +(encoding) 266.95 621.67 T +(a) 310.49 621.67 T +(number) 318.6 621.67 T +(of) 355.42 621.67 T +(flags) 367.8 621.67 T +(for) 392.4 621.67 T +(the) 408.45 621.67 T +(interpreter.) 425.11 621.67 T +(The) 476.9 621.67 T +(following) 497.22 621.67 T +(flag) 153 608.67 T +(bits) 172.3 608.67 T +(are) 190.38 608.67 T +(defined:) 206 608.67 T +(bit) 244.24 608.67 T +(2) 258.05 608.67 T +(is) 265.74 608.67 T +(set) 275.27 608.67 T +(if) 289.68 608.67 T +(the) 298.59 608.67 T +(function) 314.22 608.67 T +(uses) 353.08 608.67 T +(the) 374.21 608.67 T +(\322) 389.84 608.67 T +2 F +(*arguments) 394.73 608.67 T +1 F +(\325\325) 460.73 608.67 T +(syntax) 470.24 608.67 T +(to) 501.16 608.67 T +(accept) 511.91 608.67 T +(an) 153 595.67 T +(arbitrary) 168.94 595.67 T +(number) 212.37 595.67 T +(of) 251.54 595.67 T +(positional) 266.26 595.67 T +(arguments;) 315.21 595.67 T +(bit) 369.65 595.67 T +(3) 386.83 595.67 T +(is) 397.88 595.67 T +(set) 410.78 595.67 T +(if) 428.56 595.67 T +(the) 440.84 595.67 T +(function) 459.84 595.67 T +(uses) 502.06 595.67 T +(the) 526.56 595.67 T +(\324\324) 153 582.67 T +2 F +(**keywords) 160.33 582.67 T +1 F +(\325\325) 226.33 582.67 T +(syntax) 236.51 582.67 T +(to) 268.08 582.67 T +(accept) 279.5 582.67 T +(arbitrary) 310.45 582.67 T +(keyword) 351.18 582.67 T +(arguments;) 392.52 582.67 T +(other) 444.26 582.67 T +(bits) 469.72 582.67 T +(are) 488.47 582.67 T +(used) 504.76 582.67 T +(in-) 527.78 582.67 T +(ternally) 153 569.67 T +(or) 189.83 569.67 T +(reserved) 202.22 569.67 T +(for) 242.71 569.67 T +(future) 258.76 569.67 T +(use.) 288.26 569.67 T +(The) 308.9 569.67 T +(first) 329.23 569.67 T +(item) 350.18 569.67 T +(in) 372.97 569.67 T +2 F +(co_consts) 384.75 569.67 T +1 F +(is) 447.38 569.67 T +(the) 457.95 569.67 T +(documentation) 474.62 569.67 T +(string) 153 556.67 T +(of) 180.9 556.67 T +(the) 192.91 556.67 T +(function,) 209.2 556.67 T +(or) 251.46 556.67 T +2 F +(None) 263.47 556.67 T +1 F +(if) 292.71 556.67 T +(undefined.) 302.28 556.67 T +(To) 351.86 556.67 T +(find) 366.93 556.67 T +(out) 387.5 556.67 T +(the) 404.4 556.67 T +(first) 420.69 556.67 T +(line) 441.26 556.67 T +(number) 460.6 556.67 T +(of) 497.05 556.67 T +(a) 509.06 556.67 T +(func-) 516.79 556.67 T +(tion,) 153 543.67 T +(you) 177.19 543.67 T +(have) 198.01 543.67 T +(to) 223.1 543.67 T +(disassemble) 235.99 543.67 T +(the) 293.47 543.67 T +(bytecode) 311.24 543.67 T +(instructions;) 355.27 543.67 T +(the) 413.99 543.67 T +(standard) 431.76 543.67 T +(library) 473.35 543.67 T +(module) 507 543.67 T +2 F +(codehack) 153 530.67 T +1 F +(defines) 209.63 530.67 T +(a) 245.22 530.67 T +(function) 253.93 530.67 T +2 F +(getlineno\050\051) 294.42 530.67 T +1 F +(that) 370.85 530.67 T +(returns) 391.18 530.67 T +(the) 425.55 530.67 T +(first) 442.82 530.67 T +(line) 464.37 530.67 T +(number) 484.69 530.67 T +(of) 522.13 530.67 T +(a) 535.12 530.67 T (code object.) 153 517.67 T 4 F (Frame objects) 135 498.67 T 1 F -0.15 (Frame objects represent execution frames. They may occur in traceback ob-) 204.64 498.67 P +(Frame) 204.64 498.67 T +(objects) 235.65 498.67 T +(represent) 269.71 498.67 T +(execution) 312.92 498.67 T +(frames.) 358.59 498.67 T +(They) 394.17 498.67 T +(may) 419.67 498.67 T +(occur) 441.51 498.67 T +(in) 468.84 498.67 T +(traceback) 480.3 498.67 T +(ob-) 525.34 498.67 T (jects \050see below\051.) 153 485.67 T --0.2 (Special read-only attributes:) 153 468.67 P -2 F --0.48 (f_back) 279.19 468.67 P -1 F --0.2 ( is to the previous stack frame \050towards the caller\051,) 318.79 468.67 P -0.09 (or) 153 455.67 P -2 F -0.21 (None) 165 455.67 P -1 F -0.09 ( if this is the bottom stack frame;) 191.4 455.67 P -2 F -0.21 (f_code) 340 455.67 P -1 F -0.09 ( is the code object being executed in) 379.6 455.67 P -0.34 (this frame;) 153 442.67 P -2 F -0.82 (f_locals) 203.79 442.67 P -1 F -0.34 ( is the dictionary used to look up locals variables;) 256.59 442.67 P -2 F -0.82 (f_globals) 480.6 442.67 P -1 F -2.99 (is used for global variables;) 153 429.67 P -2 F -7.18 (f_builtins) 292.29 429.67 P -1 F -2.99 ( is used for built-in \050intrinsic\051 names;) 358.29 429.67 P -2 F -0.46 (f_restricted) 153 416.67 P -1 F -0.19 ( is a flag indicating whether the function is executing in restricted ex-) 232.2 416.67 P --0.54 (ecution mode;) 153 403.67 P -2 F --1.3 (f_lineno) 217.3 403.67 P -1 F --0.54 ( gives the current line number and) 270.1 403.67 P -2 F --1.3 (f_lasti) 419.36 403.67 P -1 F --0.54 ( gives the precise) 465.56 403.67 P +(Special) 153 468.67 T +(read-only) 187.93 468.67 T +(attributes:) 232.64 468.67 T +2 F +(f_back) 279.19 468.67 T +1 F +(is) 321.34 468.67 T +(to) 331.23 468.67 T +(the) 342.34 468.67 T +(previous) 358.33 468.67 T +(stack) 398.76 468.67 T +(frame) 423.92 468.67 T +(\050towards) 452.12 468.67 T +(the) 493.16 468.67 T +(caller\051,) 509.16 468.67 T +(or) 153 455.67 T +2 F +(None) 165 455.67 T +1 F +(if) 194.24 455.67 T +(this) 203.8 455.67 T +(is) 222.54 455.67 T +(the) 232.71 455.67 T +(bottom) 248.99 455.67 T +(stack) 283.01 455.67 T +(frame;) 308.45 455.67 T +2 F +(f_code) 340 455.67 T +1 F +(is) 382.44 455.67 T +(the) 392.62 455.67 T +(code) 408.9 455.67 T +(object) 432.5 455.67 T +(being) 462.23 455.67 T +(executed) 489.51 455.67 T +(in) 531.44 455.67 T +(this) 153 442.67 T +(frame;) 171.99 442.67 T +2 F +(f_locals) 203.79 442.67 T +1 F +(is) 259.68 442.67 T +(the) 270.11 442.67 T +(dictionary) 286.64 442.67 T +(used) 334.34 442.67 T +(to) 357.59 442.67 T +(look) 369.24 442.67 T +(up) 391.89 442.67 T +(locals) 405.98 442.67 T +(variables;) 434.74 442.67 T +2 F +(f_globals) 480.6 442.67 T +1 F +(is) 153 429.67 T +(used) 166.08 429.67 T +(for) 191.98 429.67 T +(global) 210.54 429.67 T +(variables;) 243.79 429.67 T +2 F +(f_builtins) 292.29 429.67 T +1 F +(is) 364.03 429.67 T +(used) 377.11 429.67 T +(for) 403.01 429.67 T +(built-in) 421.58 429.67 T +(\050intrinsic\051) 459.71 429.67 T +(names;) 508.84 429.67 T +2 F +(f_restricted) 153 416.67 T +1 F +(is) 235.14 416.67 T +(a) 245.42 416.67 T +(flag) 253.24 416.67 T +(indicating) 273.29 416.67 T +(whether) 320.23 416.67 T +(the) 358.61 416.67 T +(function) 374.99 416.67 T +(is) 414.59 416.67 T +(executing) 424.87 416.67 T +(in) 470.58 416.67 T +(restricted) 482.08 416.67 T +(ex-) 525.95 416.67 T +(ecution) 153 403.67 T +(mode;) 187.59 403.67 T +2 F +(f_lineno) 217.3 403.67 T +1 F +(gives) 272.31 403.67 T +(the) 297.74 403.67 T +(current) 313.39 403.67 T +(line) 346.75 403.67 T +(number) 365.45 403.67 T +(and) 401.27 403.67 T +2 F +(f_lasti) 419.36 403.67 T +1 F +(gives) 467.77 403.67 T +(the) 493.2 403.67 T +(precise) 508.85 403.67 T (instruction \050this is an index into the instruction string of the code object\051.) 153 390.67 T -0.9 (Special writable attributes:) 153 373.67 P -2 F -2.15 (f_trace) 276.37 373.67 P -1 F -0.9 (, if not) 322.57 373.67 P -2 F -2.15 (None) 357.04 373.67 P -1 F -0.9 (, is a function called at the start of) 383.44 373.67 P +(Special) 153 373.67 T +(writable) 189.03 373.67 T +(attributes:) 228.72 373.67 T +2 F +(f_trace) 276.37 373.67 T +1 F +(,) 322.57 373.67 T +(if) 328.97 373.67 T +(not) 339.33 373.67 T +2 F +(None) 357.04 373.67 T +1 F +(,) 383.44 373.67 T +(is) 389.83 373.67 T +(a) 400.82 373.67 T +(function) 409.35 373.67 T +(called) 449.66 373.67 T +(at) 479.57 373.67 T +(the) 491.16 373.67 T +(start) 508.25 373.67 T +(of) 530.84 373.67 T (each source code line \050this is used by the debugger\051.) 153 360.67 T 4 F (Traceback objects) 135 341.67 T 1 F -0.44 ( Traceback objects represent a stack trace of an exception. A traceback) 223.59 341.67 P --0.52 (object is created when an exception occurs. When the search for an exception handler un-) 153 328.67 P -0.3 (winds the execution stack, at each unwound level a traceback object is inserted in front) 153 315.67 P -0.46 (of the current traceback. When an exception handler is entered, the stack trace is made) 153 302.67 P -2.23 (available to the program. \050See \322The try statement\323 on page) 153 289.67 P -2.23 (49.\051 It is accessible as) 434.86 289.67 P -2 F -11.56 (sys.exc_traceback) 153 276.67 P -1 F -4.82 (, and also as the third item of the tuple returned by) 265.2 276.67 P -2 F -0.23 (sys.exc_info\050\051) 153 263.67 P -1 F -0.1 (. The latter is the preferred interface, since it works correctly when) 245.4 263.67 P --0.06 (the program is using multiple threads. When the program contains no suitable exception) 153 250.67 P -0.1 (handler, the stack trace is printed on the standard error stream; if the interpreter is inter-) 153 237.67 P +(Traceback) 226.79 341.67 T +(objects) 275.78 341.67 T +(represent) 310.14 341.67 T +(a) 353.64 341.67 T +(stack) 361.72 341.67 T +(trace) 387.52 341.67 T +(of) 412.08 341.67 T +(an) 424.44 341.67 T +(exception.) 438.01 341.67 T +(A) 486.72 341.67 T +(traceback) 497.86 341.67 T +(object) 153 328.67 T +(is) 182.11 328.67 T +(created) 191.67 328.67 T +(when) 225.65 328.67 T +(an) 251.7 328.67 T +(exception) 264.31 328.67 T +(occurs.) 309.31 328.67 T +(When) 342.99 328.67 T +(the) 371.48 328.67 T +(search) 387.15 328.67 T +(for) 417.47 328.67 T +(an) 432.52 328.67 T +(exception) 445.13 328.67 T +(handler) 490.12 328.67 T +(un-) 525.34 328.67 T +(winds) 153 315.67 T +(the) 182.33 315.67 T +(execution) 198.82 315.67 T +(stack,) 244.64 315.67 T +(at) 273.05 315.67 T +(each) 284.04 315.67 T +(unwound) 307.25 315.67 T +(level) 351.24 315.67 T +(a) 375.68 315.67 T +(traceback) 383.61 315.67 T +(object) 428.8 315.67 T +(is) 458.74 315.67 T +(inserted) 469.13 315.67 T +(in) 507.01 315.67 T +(front) 518.62 315.67 T +(of) 153 302.67 T +(the) 165.37 302.67 T +(current) 182.02 302.67 T +(traceback.) 216.38 302.67 T +(When) 264.48 302.67 T +(an) 293.95 302.67 T +(exception) 307.54 302.67 T +(handler) 353.52 302.67 T +(is) 389.71 302.67 T +(entered,) 400.26 302.67 T +(the) 438.59 302.67 T +(stack) 455.24 302.67 T +(trace) 481.05 302.67 T +(is) 505.63 302.67 T +(made) 516.17 302.67 T +(available) 153 289.67 T +(to) 197.69 289.67 T +(the) 211.23 289.67 T +(program.) 229.65 289.67 T +(\050See) 274.64 289.67 T +(\322The) 299.17 289.67 T +(try) 326.14 289.67 T +(statement\323) 343.33 289.67 T +(on) 395.36 289.67 T +(page) 411.34 289.67 T +(49.\051) 434.86 289.67 T +(It) 457.25 289.67 T +(is) 468.95 289.67 T +(accessible) 481.26 289.67 T +(as) 530.84 289.67 T +2 F +(sys.exc_traceback) 153 276.67 T +1 F +(,) 265.2 276.67 T +(and) 275.52 276.67 T +(also) 298.97 276.67 T +(as) 324.26 276.67 T +(the) 340.99 276.67 T +(third) 362 276.67 T +(item) 390.35 276.67 T +(of) 417.47 276.67 T +(the) 434.2 276.67 T +(tuple) 455.21 276.67 T +(returned) 484.78 276.67 T +(by) 529 276.67 T +2 F +(sys.exc_info\050\051) 153 263.67 T +1 F +(.) 245.4 263.67 T +(The) 251 263.67 T +(latter) 270.95 263.67 T +(is) 296.4 263.67 T +(the) 306.58 263.67 T +(preferred) 322.87 263.67 T +(interface,) 366.02 263.67 T +(since) 410.09 263.67 T +(it) 435.54 263.67 T +(works) 444.5 263.67 T +(correctly) 474.23 263.67 T +(when) 516.17 263.67 T +(the) 153 250.67 T +(program) 169.13 250.67 T +(is) 209.09 250.67 T +(using) 219.12 250.67 T +(multiple) 245.65 250.67 T +(threads.) 285.01 250.67 T +(When) 322.22 250.67 T +(the) 351.18 250.67 T +(program) 367.32 250.67 T +(contains) 407.27 250.67 T +(no) 446.63 250.67 T +(suitable) 460.32 250.67 T +(exception) 497.23 250.67 T +(handler,) 153 237.67 T +(the) 191.59 237.67 T +(stack) 207.88 237.67 T +(trace) 233.33 237.67 T +(is) 257.55 237.67 T +(printed) 267.74 237.67 T +(on) 301.75 237.67 T +(the) 315.6 237.67 T +(standard) 331.89 237.67 T +(error) 372.01 237.67 T +(stream;) 396.23 237.67 T +(if) 431.46 237.67 T +(the) 441.03 237.67 T +(interpreter) 457.32 237.67 T +(is) 505.99 237.67 T +(inter-) 516.17 237.67 T (active, it is also made available to the user as) 153 224.67 T 2 F (sys.last_traceback) 353.72 224.67 T 1 F (.) 472.52 224.67 T -0.58 (Special read-only attributes:) 153 207.67 P -2 F -1.38 (tb_next) 281.52 207.67 P -1 F -0.58 ( is the next level in the stack trace \050towards the) 327.72 207.67 P -1.45 (frame where the exception occurred\051, or) 153 194.67 P -2 F -3.48 (None) 340.98 194.67 P -1 F -1.45 ( if there is no next level;) 367.38 194.67 P -2 F -3.48 (tb_frame) 487.2 194.67 P -1 F -0.74 (points to the execution frame of the current level;) 153 181.67 P -2 F -1.77 (tb_lineno) 379.89 181.67 P -1 F -0.74 ( gives the line number) 439.29 181.67 P -1.5 (where the exception occurred;) 153 168.67 P -2 F -3.59 (tb_lasti) 294.61 168.67 P -1 F -1.5 ( indicates the precise instruction. The line) 347.41 168.67 P --0.25 (number and last instruction in the traceback may differ from the line number of its frame) 153 155.67 P --0.21 (object if the exception occurred in a) 153 142.67 P -2 F --0.51 (try) 312.51 142.67 P -1 F --0.21 ( statement with no matching) 332.31 142.67 P -2 F --0.51 (except) 458.67 142.67 P -1 F --0.21 ( clause or) 498.27 142.67 P +(Special) 153 207.67 T +(read-only) 188.71 207.67 T +(attributes:) 234.19 207.67 T +2 F +(tb_next) 281.52 207.67 T +1 F +(is) 331.04 207.67 T +(the) 341.71 207.67 T +(next) 358.48 207.67 T +(level) 380.74 207.67 T +(in) 405.46 207.67 T +(the) 417.34 207.67 T +(stack) 434.11 207.67 T +(trace) 460.04 207.67 T +(\050towards) 484.74 207.67 T +(the) 526.56 207.67 T +(frame) 153 194.67 T +(where) 182.85 194.67 T +(the) 213.92 194.67 T +(exception) 231.56 194.67 T +(occurred\051,) 278.53 194.67 T +(or) 327.62 194.67 T +2 F +(None) 340.98 194.67 T +1 F +(if) 371.58 194.67 T +(there) 382.5 194.67 T +(is) 408.68 194.67 T +(no) 420.22 194.67 T +(next) 435.42 194.67 T +(level;) 458.56 194.67 T +2 F +(tb_frame) 487.2 194.67 T +1 F +(points) 153 181.67 T +(to) 183.38 181.67 T +(the) 195.43 181.67 T +(execution) 212.35 181.67 T +(frame) 258.61 181.67 T +(of) 287.74 181.67 T +(the) 300.39 181.67 T +(current) 317.32 181.67 T +(level;) 351.96 181.67 T +2 F +(tb_lineno) 379.89 181.67 T +1 F +(gives) 442.77 181.67 T +(the) 469.48 181.67 T +(line) 486.41 181.67 T +(number) 506.39 181.67 T +(where) 153 168.67 T +(the) 184.12 168.67 T +(exception) 201.81 168.67 T +(occurred;) 248.82 168.67 T +2 F +(tb_lasti) 294.61 168.67 T +1 F +(indicates) 351.65 168.67 T +(the) 395.01 168.67 T +(precise) 412.69 168.67 T +(instruction.) 448.09 168.67 T +(The) 502.15 168.67 T +(line) 523.5 168.67 T +(number) 153 155.67 T +(and) 189.11 155.67 T +(last) 207.49 155.67 T +(instruction) 225.27 155.67 T +(in) 274.83 155.67 T +(the) 285.89 155.67 T +(traceback) 301.83 155.67 T +(may) 346.48 155.67 T +(differ) 367.92 155.67 T +(from) 394.85 155.67 T +(the) 418.74 155.67 T +(line) 434.68 155.67 T +(number) 453.68 155.67 T +(of) 489.79 155.67 T +(its) 501.45 155.67 T +(frame) 514.35 155.67 T +(object) 153 142.67 T +(if) 182.42 142.67 T +(the) 191.68 142.67 T +(exception) 207.66 142.67 T +(occurred) 252.97 142.67 T +(in) 293.99 142.67 T +(a) 305.09 142.67 T +2 F +(try) 312.51 142.67 T +1 F +(statement) 334.85 142.67 T +(with) 379.55 142.67 T +(no) 401.65 142.67 T +(matching) 415.19 142.67 T +2 F +(except) 458.67 142.67 T +1 F +(clause) 500.81 142.67 T +(or) 530.84 142.67 T (with a) 153 129.67 T 2 F (finally) 182.94 129.67 T @@ -6246,72 +11792,91 @@ FrameNoSep 4 F (Slice objects) 135 110.67 T 1 F --0.74 (Slice objects are used to represent slices when) 195.49 110.67 P +(Slice) 195.49 110.67 T +(objects) 219.5 110.67 T +(are) 252.68 110.67 T +(used) 268.13 110.67 T +(to) 290.3 110.67 T +(represent) 300.88 110.67 T +(slices) 343.21 110.67 T +(when) 369.67 110.67 T 3 F --0.74 (extended slice syntax) 395.51 110.67 P -1 F --0.74 ( is used \050this) 486.9 110.67 P -1.72 (is a slice using two colons, or multiple slices or ellipses separated by commas, e.g.) 153 97.67 P -2 F -3.58 (a[i:j:step]) 153 84.67 P -1 F -1.49 (,) 225.6 84.67 P -2 F -3.58 (a[i:j,) 232.59 84.67 P -3.58 (k:l]) 278.79 84.67 P -1 F -1.49 (, or) 305.19 84.67 P -2 F -3.58 (a[...,) 325.58 84.67 P -3.58 (i:j]) 371.79 84.67 P -1 F -1.49 (\051. They are also created by the) 398.18 84.67 P +(extended) 395.51 110.67 T +(slice) 436.61 110.67 T +(syntax) 458.79 110.67 T +1 F +(is) 488.91 110.67 T +(used) 498.26 110.67 T +(\050this) 520.44 110.67 T +(is) 153 97.67 T +(a) 164.8 97.67 T +(slice) 174.15 97.67 T +(using) 198.78 97.67 T +(two) 227.09 97.67 T +(colons,) 248.05 97.67 T +(or) 283.99 97.67 T +(multiple) 297.62 97.67 T +(slices) 338.76 97.67 T +(or) 367.67 97.67 T +(ellipses) 381.3 97.67 T +(separated) 418.77 97.67 T +(by) 464.77 97.67 T +(commas,) 480.24 97.67 T +(e.g.) 524.12 97.67 T +2 F +(a[i:j:step]) 153 84.67 T +1 F +(,) 225.6 84.67 T +2 F +(a[i:j,) 232.59 84.67 T +(k:l]) 278.79 84.67 T +1 F +(,) 305.19 84.67 T +(or) 312.18 84.67 T +2 F +(a[...,) 325.58 84.67 T +(i:j]) 371.79 84.67 T +1 F +(\051.) 398.18 84.67 T +(They) 408.84 84.67 T +(are) 435.68 84.67 T +(also) 453.36 84.67 T +(created) 475.32 84.67 T +(by) 511.32 84.67 T +(the) 526.56 84.67 T (built-in) 153 71.67 T 2 F (slice\050\051) 188.15 71.67 T 1 F ( function.) 234.35 71.67 T -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "17" 23 %%Page: "18" 24 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (18) 76.5 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q --0.03 (Special read-only attributes:) 130.5 712.67 P +(Special) 130.5 712.67 T +(read-only) 165.6 712.67 T +(attributes:) 210.47 712.67 T 2 F --0.08 (start) 257.19 712.67 P +(start) 257.19 712.67 T 1 F --0.03 ( is the lowerbound;) 290.19 712.67 P +(is) 292.91 712.67 T +(the) 302.96 712.67 T +(lowerbound;) 319.12 712.67 T 2 F --0.08 (stop) 377.44 712.67 P +(stop) 377.44 712.67 T 1 F --0.03 ( is the upperbound;) 403.84 712.67 P +(is) 406.56 712.67 T +(the) 416.62 712.67 T +(upperbound;) 432.78 712.67 T 2 F --0.08 (step) 491.1 712.67 P +(step) 491.1 712.67 T 1 F (is the step value; each is) 130.5 699.67 T 2 F @@ -6322,41 +11887,137 @@ FrameNoSep (3.3) 76.5 672.67 T (Special method names) 112.5 672.67 T 1 11 Q --0.41 (This section describes how user-defined classes can customize their behavior or emulate the behavior) 76.5 643.67 P -0.14 (of other object types. In the following, if a class defines a particular method, any class derived from) 76.5 630.67 P +(This) 76.5 643.67 T +(section) 98.4 643.67 T +(describes) 131.9 643.67 T +(how) 175.18 643.67 T +(user-defined) 196.46 643.67 T +(classes) 253.78 643.67 T +(can) 286.67 643.67 T +(customize) 304.27 643.67 T +(their) 351.22 643.67 T +(behavior) 373.73 643.67 T +(or) 414.56 643.67 T +(emulate) 426.06 643.67 T +(the) 463.23 643.67 T +(behavior) 479.01 643.67 T +(of) 76.5 630.67 T +(other) 88.55 630.67 T +(object) 114.04 630.67 T +(types.) 143.81 630.67 T +(In) 172.67 630.67 T +(the) 184.71 630.67 T +(following,) 201.04 630.67 T +(if) 249.46 630.67 T +(a) 259.06 630.67 T +(class) 266.83 630.67 T +(defines) 291.1 630.67 T +(a) 325.76 630.67 T +(particular) 333.53 630.67 T +(method,) 378.57 630.67 T +(any) 417.2 630.67 T +(class) 435.97 630.67 T +(derived) 460.24 630.67 T +(from) 496.12 630.67 T (it is also understood to define that method \050implicitly\051.) 76.5 617.67 T --0.27 (A class can implement certain operations that are invoked by special syntax \050such as arithmetic oper-) 76.5 592.67 P --0.51 (ations or subscripting and slicing\051 by defining methods with special names. For instance, if a class de-) 76.5 579.67 P --0.13 (fines a method named) 76.5 566.67 P -2 F --0.31 (__getitem__) 175.58 566.67 P -1 F --0.13 (, and) 248.18 566.67 P -2 F --0.31 (x) 272.05 566.67 P -1 F --0.13 ( is an instance of this class, then) 278.65 566.67 P -2 F --0.31 (x[i]) 421.52 566.67 P -1 F --0.13 ( is equivalent to) 447.92 566.67 P -2 F -0.45 (x.__getitem__\050i\051) 76.5 553.67 P -1 F -0.19 (. \050The reverse is not true; e.g. if) 182.1 553.67 P -2 F -0.45 (x) 325.03 553.67 P -1 F -0.19 ( is a list object,) 331.63 553.67 P -2 F -0.45 (x.__getitem__\050i\051) 401.63 553.67 P -1 F -0.19 ( is) 507.23 553.67 P -0.2 (not equivalent to) 76.5 540.67 P -2 F -0.48 (x[i]) 153.79 540.67 P -1 F -0.2 (.\051 Except where mentioned, attempts to execute an operation raise an excep-) 180.19 540.67 P +(A) 76.5 592.67 T +(class) 86.92 592.67 T +(can) 110.78 592.67 T +(implement) 128.52 592.67 T +(certain) 178.06 592.67 T +(operations) 210.46 592.67 T +(that) 258.77 592.67 T +(are) 277.74 592.67 T +(invoked) 293.65 592.67 T +(by) 331.57 592.67 T +(special) 345.05 592.67 T +(syntax) 378.07 592.67 T +(\050such) 409.27 592.67 T +(as) 435.57 592.67 T +(arithmetic) 447.21 592.67 T +(oper-) 494.29 592.67 T +(ations) 76.5 579.67 T +(or) 105.02 579.67 T +(subscripting) 116.43 579.67 T +(and) 172.45 579.67 T +(slicing\051) 190.57 579.67 T +(by) 225.82 579.67 T +(defining) 239.06 579.67 T +(methods) 277.97 579.67 T +(with) 317.49 579.67 T +(special) 339.29 579.67 T +(names.) 372.08 579.67 T +(For) 405.17 579.67 T +(instance,) 422.7 579.67 T +(if) 463.74 579.67 T +(a) 472.7 579.67 T +(class) 479.83 579.67 T +(de-) 503.45 579.67 T +(fines) 76.5 566.67 T +(a) 100.5 566.67 T +(method) 108.01 566.67 T +(named) 143.63 566.67 T +2 F +(__getitem__) 175.58 566.67 T +1 F +(,) 248.18 566.67 T +(and) 253.55 566.67 T +2 F +(x) 272.05 566.67 T +1 F +(is) 281.27 566.67 T +(an) 291.23 566.67 T +(instance) 304.23 566.67 T +(of) 342.9 566.67 T +(this) 354.68 566.67 T +(class,) 373.2 566.67 T +(then) 399.95 566.67 T +2 F +(x[i]) 421.52 566.67 T +1 F +(is) 450.54 566.67 T +(equivalent) 460.49 566.67 T +(to) 508.94 566.67 T +2 F +(x.__getitem__\050i\051) 76.5 553.67 T +1 F +(.) 182.1 553.67 T +(\050The) 187.79 553.67 T +(reverse) 211.49 553.67 T +(is) 246.19 553.67 T +(not) 256.46 553.67 T +(true;) 273.45 553.67 T +(e.g.) 296.55 553.67 T +(if) 315.38 553.67 T +2 F +(x) 325.03 553.67 T +1 F +(is) 334.57 553.67 T +(a) 344.84 553.67 T +(list) 352.67 553.67 T +(object,) 369.05 553.67 T +2 F +(x.__getitem__\050i\051) 401.63 553.67 T +1 F +(is) 510.16 553.67 T +(not) 76.5 540.67 T +(equivalent) 93.51 540.67 T +(to) 142.29 540.67 T +2 F +(x[i]) 153.79 540.67 T +1 F +(.\051) 180.19 540.67 T +(Except) 189.56 540.67 T +(where) 223.05 540.67 T +(mentioned,) 252.88 540.67 T +(attempts) 305.02 540.67 T +(to) 345.25 540.67 T +(execute) 356.76 540.67 T +(an) 393.3 540.67 T +(operation) 406.64 540.67 T +(raise) 451.13 540.67 T +(an) 474.85 540.67 T +(excep-) 488.18 540.67 T (tion when no appropriate method is defined.) 76.5 527.67 T 0 12 Q (3.3.1) 76.5 502 T @@ -6364,17 +12025,49 @@ FrameNoSep 2 11 Q (__init__\050self, [args...]\051) 76.5 482.67 T 1 F -0.13 (Called when the instance is created. The arguments are those) 248.1 482.67 P --0.67 (that were passed to the class constructor expression. If a base class has an) 112.5 469.67 P -2 F --1.62 (__init__) 429.62 469.67 P -1 F --0.67 ( method) 482.42 469.67 P -0.32 (the derived class\325s) 112.5 456.67 P -2 F -0.78 (__init__) 197.48 456.67 P -1 F -0.32 ( method must explicitly call it to ensure proper initialization) 250.28 456.67 P +(Called) 248.1 482.67 T +(when) 279.7 482.67 T +(the) 306.41 482.67 T +(instance) 322.73 482.67 T +(is) 361.66 482.67 T +(created.) 371.88 482.67 T +(The) 409.27 482.67 T +(arguments) 429.26 482.67 T +(are) 477.97 482.67 T +(those) 494.28 482.67 T +(that) 112.5 469.67 T +(were) 131.08 469.67 T +(passed) 154.52 469.67 T +(to) 185.93 469.67 T +(the) 196.56 469.67 T +(class) 212.08 469.67 T +(constructor) 235.54 469.67 T +(expression.) 287.11 469.67 T +(If) 338.98 469.67 T +(a) 348.38 469.67 T +(base) 355.34 469.67 T +(class) 376.96 469.67 T +(has) 400.42 469.67 T +(an) 417.16 469.67 T +2 F +(__init__) 429.62 469.67 T +1 F +(method) 484.5 469.67 T +(the) 112.5 456.67 T +(derived) 129.02 456.67 T +(class\325s) 165.08 456.67 T +2 F +(__init__) 197.48 456.67 T +1 F +(method) 253.35 456.67 T +(must) 289.43 456.67 T +(explicitly) 313.9 456.67 T +(call) 358.53 456.67 T +(it) 377.49 456.67 T +(to) 386.68 456.67 T +(ensure) 398.31 456.67 T +(proper) 430.1 456.67 T +(initialization) 461.88 456.67 T (of the base class part of the instance, e.g.) 112.5 443.67 T (\324\324) 112.5 430.67 T 2 F @@ -6385,148 +12078,423 @@ FrameNoSep 2 F (__del__\050self\051) 76.5 411.67 T 1 F --0.65 (Called when the instance is about to be destroyed. If a base class has a) 168.9 411.67 P -2 F --1.57 (__del__) 471.3 411.67 P -1 F --0.39 (method the derived class\325s) 112.5 398.67 P -2 F --0.94 (__del__) 230.69 398.67 P -1 F --0.39 ( method must explicitly call it to ensure proper deletion) 276.89 398.67 P -0.07 (of the base class part of the instance. e.g. \324\324) 112.5 385.67 P -2 F -0.17 (BaseClass.__del__\050self\051) 303.16 385.67 P -1 F -0.07 (\325\325. Note that it) 454.96 385.67 P --0.09 (is possible \050though not recommended!\051 for the) 112.5 372.67 P -2 F --0.22 (__del__) 318.69 372.67 P -1 F --0.09 ( method to postpone destruction of) 364.89 372.67 P -0.12 (the instance by creating a new reference to it. It may then be called at a later time when this) 112.5 359.67 P -0.38 (new reference is deleted. It is not guaranteed that) 112.5 346.67 P -2 F -0.92 (__del__) 334.67 346.67 P -1 F -0.38 ( methods are called for objects) 380.86 346.67 P +(Called) 168.9 411.67 T +(when) 199.72 411.67 T +(the) 225.64 411.67 T +(instance) 241.18 411.67 T +(is) 279.32 411.67 T +(about) 288.75 411.67 T +(to) 315.29 411.67 T +(be) 325.94 411.67 T +(destroyed.) 338.42 411.67 T +(If) 386.04 411.67 T +(a) 395.46 411.67 T +(base) 402.44 411.67 T +(class) 424.08 411.67 T +(has) 447.56 411.67 T +(a) 464.32 411.67 T +2 F +(__del__) 471.3 411.67 T +1 F +(method) 112.5 398.67 T +(the) 147.86 398.67 T +(derived) 163.66 398.67 T +(class\325s) 199.01 398.67 T +2 F +(__del__) 230.69 398.67 T +1 F +(method) 279.25 398.67 T +(must) 314.61 398.67 T +(explicitly) 338.37 398.67 T +(call) 382.28 398.67 T +(it) 400.53 398.67 T +(to) 409 398.67 T +(ensure) 419.92 398.67 T +(proper) 450.99 398.67 T +(deletion) 482.06 398.67 T +(of) 112.5 385.67 T +(the) 124.49 385.67 T +(base) 140.75 385.67 T +(class) 163.12 385.67 T +(part) 187.33 385.67 T +(of) 207.25 385.67 T +(the) 219.24 385.67 T +(instance.) 235.5 385.67 T +(e.g.) 277.12 385.67 T +(\324\324) 295.83 385.67 T +2 F +(BaseClass.__del__\050self\051) 303.16 385.67 T +1 F +(\325\325.) 454.96 385.67 T +(Note) 467.85 385.67 T +(that) 492.06 385.67 T +(it) 511.38 385.67 T +(is) 112.5 372.67 T +(possible) 122.5 372.67 T +(\050though) 161.21 372.67 T +(not) 198.09 372.67 T +(recommended!\051) 214.8 372.67 T +(for) 287.1 372.67 T +(the) 302.59 372.67 T +2 F +(__del__) 318.69 372.67 T +1 F +(method) 367.54 372.67 T +(to) 403.2 372.67 T +(postpone) 414.42 372.67 T +(destruction) 456.8 372.67 T +(of) 508.34 372.67 T +(the) 112.5 359.67 T +(instance) 128.82 359.67 T +(by) 167.74 359.67 T +(creating) 181.61 359.67 T +(a) 219.92 359.67 T +(new) 227.68 359.67 T +(reference) 248.88 359.67 T +(to) 292.67 359.67 T +(it.) 304.1 359.67 T +(It) 315.84 359.67 T +(may) 325.43 359.67 T +(then) 347.25 359.67 T +(be) 369.07 359.67 T +(called) 382.33 359.67 T +(at) 411.47 359.67 T +(a) 422.29 359.67 T +(later) 430.05 359.67 T +(time) 452.47 359.67 T +(when) 474.9 359.67 T +(this) 501.61 359.67 T +(new) 112.5 346.67 T +(reference) 133.96 346.67 T +(is) 178 346.67 T +(deleted.) 188.47 346.67 T +(It) 226.12 346.67 T +(is) 235.98 346.67 T +(not) 246.45 346.67 T +(guaranteed) 263.64 346.67 T +(that) 315.03 346.67 T +2 F +(__del__) 334.67 346.67 T +1 F +(methods) 384 346.67 T +(are) 424.41 346.67 T +(called) 440.98 346.67 T +(for) 470.38 346.67 T +(objects) 486.34 346.67 T (that still exist when the interpreter exits.) 112.5 333.67 T 4 F -0.41 (Programmer\325s note:) 112.5 316.67 P -1 F -0.41 ( \324\324) 208.51 316.67 P -2 F -0.99 (del) 219 316.67 P -0.99 (x) 241.96 316.67 P -1 F -0.41 (\325\325 doesn\325t directly call) 248.56 316.67 P -2 F -0.99 (x.__del__\050\051) 350.4 316.67 P -1 F -0.41 ( \321 the former decre-) 423 316.67 P --0.03 (ments the reference count for) 112.5 303.67 P -2 F --0.08 (x) 243.99 303.67 P -1 F --0.03 ( by one, and the latter is only called when its reference count) 250.59 303.67 P -0.28 (reaches zero. Some common situations that may prevent the reference count of an object to) 112.5 290.67 P --0.35 (go to zero include: circular references between objects \050e.g. a doubly-linked list or a tree data) 112.5 277.67 P -0.88 (structure with parent and child pointers\051; a reference to the object on the stack frame of a) 112.5 264.67 P --0.57 (function that caught an exception \050the traceback stored in) 112.5 251.67 P -2 F --1.37 (sys.exc_traceback) 362.45 251.67 P -1 F --0.57 ( keeps the) 474.65 251.67 P -0.57 (stack frame alive\051; or a reference to the object on the stack frame that raised an unhandled) 112.5 238.67 P -0.33 (exception in interactive mode \050the traceback stored in) 112.5 225.67 P -2 F -0.8 (sys.last_traceback) 354.05 225.67 P -1 F -0.33 ( keeps the) 472.85 225.67 P --0.25 (stack frame alive\051. The first situation can only be remedied by explicitly breaking the cycles;) 112.5 212.67 P -1.37 (the latter two situations can be resolved by storing) 112.5 199.67 P -2 F -3.3 (None) 348.81 199.67 P -1 F -1.37 ( in) 375.21 199.67 P -2 F -3.3 (sys.exc_traceback) 392.01 199.67 P -1 F -1.37 ( or) 504.21 199.67 P +(Programmer\325s) 112.5 316.67 T +(note:) 184.69 316.67 T +1 F +(\324\324) 211.67 316.67 T +2 F +(del) 219 316.67 T +(x) 241.96 316.67 T +1 F +(\325\325) 248.56 316.67 T +(doesn\325t) 259.05 316.67 T +(directly) 294.59 316.67 T +(call) 331.36 316.67 T +2 F +(x.__del__\050\051) 350.4 316.67 T +1 F +(\321) 426.17 316.67 T +(the) 440.33 316.67 T +(former) 456.93 316.67 T +(decre-) 490.02 316.67 T +(ments) 112.5 303.67 T +(the) 141.5 303.67 T +(reference) 157.66 303.67 T +(count) 201.28 303.67 T +(for) 228.44 303.67 T +2 F +(x) 243.99 303.67 T +1 F +(by) 253.3 303.67 T +(one,) 267.02 303.67 T +(and) 288.37 303.67 T +(the) 306.98 303.67 T +(latter) 323.14 303.67 T +(is) 348.46 303.67 T +(only) 358.51 303.67 T +(called) 380.79 303.67 T +(when) 409.77 303.67 T +(its) 436.32 303.67 T +(reference) 449.43 303.67 T +(count) 493.06 303.67 T +(reaches) 112.5 290.67 T +(zero.) 148.51 290.67 T +(Some) 173.21 290.67 T +(common) 201.3 290.67 T +(situations) 242.83 290.67 T +(that) 288.03 290.67 T +(may) 307.56 290.67 T +(prevent) 329.53 290.67 T +(the) 365.55 290.67 T +(reference) 382.02 290.67 T +(count) 425.96 290.67 T +(of) 453.43 290.67 T +(an) 465.62 290.67 T +(object) 479.03 290.67 T +(to) 508.94 290.67 T +(go) 112.5 277.67 T +(to) 125.9 277.67 T +(zero) 136.86 277.67 T +(include:) 158.19 277.67 T +(circular) 196.03 277.67 T +(references) 232.03 277.67 T +(between) 279.61 277.67 T +(objects) 318.67 277.67 T +(\050e.g.) 352.23 277.67 T +(a) 374.18 277.67 T +(doubly-linked) 381.46 277.67 T +(list) 445.58 277.67 T +(or) 461.44 277.67 T +(a) 473 277.67 T +(tree) 480.28 277.67 T +(data) 499.17 277.67 T +(structure) 112.5 264.67 T +(with) 154.61 264.67 T +(parent) 177.8 264.67 T +(and) 208.91 264.67 T +(child) 228.42 264.67 T +(pointers\051;) 254.04 264.67 T +(a) 299.83 264.67 T +(reference) 308.34 264.67 T +(to) 352.87 264.67 T +(the) 365.06 264.67 T +(object) 382.12 264.67 T +(on) 412.63 264.67 T +(the) 427.26 264.67 T +(stack) 444.32 264.67 T +(frame) 470.55 264.67 T +(of) 499.83 264.67 T +(a) 512.62 264.67 T +(function) 112.5 251.67 T +(that) 151.34 251.67 T +(caught) 170.02 251.67 T +(an) 201.53 251.67 T +(exception) 214.09 251.67 T +(\050the) 259.04 251.67 T +(traceback) 278.33 251.67 T +(stored) 322.65 251.67 T +(in) 351.71 251.67 T +2 F +(sys.exc_traceback) 362.45 251.67 T +1 F +(keeps) 476.83 251.67 T +(the) 504.06 251.67 T +(stack) 112.5 238.67 T +(frame) 138.43 238.67 T +(alive\051;) 167.4 238.67 T +(or) 198.82 238.67 T +(a) 211.3 238.67 T +(reference) 219.51 238.67 T +(to) 263.74 238.67 T +(the) 275.62 238.67 T +(object) 292.38 238.67 T +(on) 322.58 238.67 T +(the) 336.9 238.67 T +(stack) 353.66 238.67 T +(frame) 379.59 238.67 T +(that) 408.56 238.67 T +(raised) 428.38 238.67 T +(an) 457.97 238.67 T +(unhandled) 471.67 238.67 T +(exception) 112.5 225.67 T +(in) 158.35 225.67 T +(interactive) 169.99 225.67 T +(mode) 219.5 225.67 T +(\050the) 247.03 225.67 T +(traceback) 267.22 225.67 T +(stored) 312.44 225.67 T +(in) 342.41 225.67 T +2 F +(sys.last_traceback) 354.05 225.67 T +1 F +(keeps) 475.93 225.67 T +(the) 504.06 225.67 T +(stack) 112.5 212.67 T +(frame) 137.61 212.67 T +(alive\051.) 165.76 212.67 T +(The) 196.06 212.67 T +(first) 215.67 212.67 T +(situation) 235.9 212.67 T +(can) 276.3 212.67 T +(only) 294.07 212.67 T +(be) 316.13 212.67 T +(remedied) 329.02 212.67 T +(by) 372.45 212.67 T +(explicitly) 385.95 212.67 T +(breaking) 430.02 212.67 T +(the) 471.01 212.67 T +(cycles;) 486.95 212.67 T +(the) 112.5 199.67 T +(latter) 130.07 199.67 T +(two) 156.79 199.67 T +(situations) 177.42 199.67 T +(can) 223.71 199.67 T +(be) 243.11 199.67 T +(resolved) 257.61 199.67 T +(by) 299 199.67 T +(storing) 314.13 199.67 T +2 F +(None) 348.81 199.67 T +1 F +(in) 379.33 199.67 T +2 F +(sys.exc_traceback) 392.01 199.67 T +1 F +(or) 508.34 199.67 T 2 F (sys.last_traceback) 112.5 186.67 T 1 F (.) 231.3 186.67 T 4 F --0.38 (Warning:) 112.5 169.67 P -1 F --0.38 ( due to the precarious circumstances under which) 158.34 169.67 P -2 F --0.9 (__del__) 375.27 169.67 P -1 F --0.38 ( methods are invoked,) 421.48 169.67 P -2.72 (exceptions that occur during their execution are) 112.5 156.67 P +(Warning:) 112.5 169.67 T +1 F +(due) 160.71 169.67 T +(to) 178.97 169.67 T +(the) 189.9 169.67 T +(precarious) 205.72 169.67 T +(circumstances) 253.91 169.67 T +(under) 318.6 169.67 T +(which) 346.02 169.67 T +2 F +(__del__) 375.27 169.67 T +1 F +(methods) 423.85 169.67 T +(are) 463.5 169.67 T +(invoked,) 479.31 169.67 T +(exceptions) 112.5 156.67 T +(that) 165.02 156.67 T +(occur) 186.99 156.67 T +(during) 216.88 156.67 T +(their) 251.07 156.67 T +(execution) 276.71 156.67 T +(are) 324.94 156.67 T 3 F -2.72 (ignored) 343.84 156.67 P -1 F -2.72 (, and a warning is printed to) 378.06 156.67 P -2 F -0.41 (sys.stderr) 112.5 143.67 P -1 F -0.17 ( instead. Also, when) 178.5 143.67 P -2 F -0.41 (__del__) 271.46 143.67 P -1 F -0.17 ( is invoked is response to a module being de-) 317.66 143.67 P --0.53 (leted \050e.g. when execution of the program is done\051, other globals referenced by the) 112.5 130.67 P -2 F --1.28 (__del__) 471.3 130.67 P -1 F --0.56 (method may already have been deleted. For this reason,) 112.5 117.67 P -2 F --1.34 (__del__) 355.23 117.67 P -1 F --0.56 ( methods should do the ab-) 401.43 117.67 P -0.51 (solute minimum needed to maintain external invariants. Python 1.5 guarantees that globals) 112.5 104.67 P -0 0 0 1 0 0 0 K +(ignored) 343.84 156.67 T +1 F +(,) 378.06 156.67 T +(and) 386.28 156.67 T +(a) 407.64 156.67 T +(warning) 417.99 156.67 T +(is) 459.5 156.67 T +(printed) 472.31 156.67 T +(to) 508.94 156.67 T +2 F +(sys.stderr) 112.5 143.67 T +1 F +(instead.) 181.42 143.67 T +(Also,) 218.26 143.67 T +(when) 244.71 143.67 T +2 F +(__del__) 271.46 143.67 T +1 F +(is) 320.58 143.67 T +(invoked) 330.84 143.67 T +(is) 369.21 143.67 T +(response) 379.47 143.67 T +(to) 420.88 143.67 T +(a) 432.36 143.67 T +(module) 440.17 143.67 T +(being) 476.09 143.67 T +(de-) 503.45 143.67 T +(leted) 112.5 130.67 T +(\050e.g.) 136.1 130.67 T +(when) 157.86 130.67 T +(execution) 183.91 130.67 T +(of) 228.89 130.67 T +(the) 240.27 130.67 T +(program) 255.93 130.67 T +(is) 295.41 130.67 T +(done\051,) 304.97 130.67 T +(other) 334.98 130.67 T +(globals) 359.8 130.67 T +(referenced) 393.8 130.67 T +(by) 442.42 130.67 T +(the) 455.64 130.67 T +2 F +(__del__) 471.3 130.67 T +1 F +(method) 112.5 117.67 T +(may) 147.69 117.67 T +(already) 168.83 117.67 T +(have) 203.39 117.67 T +(been) 226.35 117.67 T +(deleted.) 249.31 117.67 T +(For) 286.02 117.67 T +(this) 303.49 117.67 T +(reason,) 321.58 117.67 T +2 F +(__del__) 355.23 117.67 T +1 F +(methods) 403.62 117.67 T +(should) 443.1 117.67 T +(do) 474.63 117.67 T +(the) 487.82 117.67 T +(ab-) 503.45 117.67 T +(solute) 112.5 104.67 T +(minimum) 142.04 104.67 T +(needed) 188.1 104.67 T +(to) 222.52 104.67 T +(maintain) 234.34 104.67 T +(external) 276.11 104.67 T +(invariants.) 314.8 104.67 T +(Python) 364.2 104.67 T +(1.5) 398.64 104.67 T +(guarantees) 415.65 104.67 T +(that) 465.96 104.67 T +(globals) 485.72 104.67 T FMENDPAGE %%EndPage: "18" 24 %%Page: "19" 25 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (19) 530 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 585 292.5 598.5 720 R 5 9 Q -(\245) 0 -90 592.5 720 TF -(Data model) 0 -90 592.5 711 TF +(\245) 0 270 592.5 720 TF +(Data model) 0 270 592.5 711 TF 585 292.5 598.5 720 R -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q --0.09 (whose name begins with a single underscore are deleted from their module before other glo-) 135 712.67 P -0.62 (bals are deleted; if no other references to such globals exist, this may help in assuring that) 135 699.67 P +(whose) 135 712.67 T +(name) 165.76 712.67 T +(begins) 192.25 712.67 T +(with) 223.62 712.67 T +(a) 245.84 712.67 T +(single) 253.38 712.67 T +(underscore) 282.32 712.67 T +(are) 333.23 712.67 T +(deleted) 349.32 712.67 T +(from) 383.75 712.67 T +(their) 407.79 712.67 T +(module) 430.61 712.67 T +(before) 466.27 712.67 T +(other) 497.02 712.67 T +(glo-) 522.28 712.67 T +(bals) 135 699.67 T +(are) 156.1 699.67 T +(deleted;) 172.9 699.67 T +(if) 211.1 699.67 T +(no) 221.19 699.67 T +(other) 235.57 699.67 T +(references) 261.55 699.67 T +(to) 310.11 699.67 T +(such) 322.04 699.67 T +(globals) 345.58 699.67 T +(exist,) 380.73 699.67 T +(this) 407.63 699.67 T +(may) 426.9 699.67 T +(help) 449.21 699.67 T +(in) 471.53 699.67 T +(assuring) 483.46 699.67 T +(that) 523.5 699.67 T (imported modules are still available at the time when the) 135 686.67 T 2 F (__del__) 387.36 686.67 T @@ -6535,118 +12503,381 @@ FrameNoSep 2 F (__repr__\050self\051) 99 667.67 T 1 F -1.28 (Called by the) 198 667.67 P -2 F -3.07 (repr\050\051) 263.24 667.67 P -1 F -1.28 ( built-in function and by string conversions \050reverse) 302.84 667.67 P -1.09 (quotes\051 to compute the \322official\323 string representation of an object. 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When this) 217.8 344.67 P --0.06 (method is not defined,) 135 331.67 P -2 F --0.15 (__len__) 235.88 331.67 P -1 F --0.06 ( is called, if it is defined \050see below\051. If a class defines nei-) 282.08 331.67 P +(Called) 217.8 344.67 T +(to) 249.87 344.67 T +(implement) 261.78 344.67 T +(truth) 312.18 344.67 T +(value) 336.31 344.67 T +(testing;) 363.48 344.67 T +(should) 399.23 344.67 T +(return) 431.91 344.67 T +(0) 461.53 344.67 T +(or) 470.38 344.67 T +(1.) 482.89 344.67 T +(When) 494.49 344.67 T +(this) 524.1 344.67 T +(method) 135 331.67 T +(is) 170.69 331.67 T +(not) 180.71 331.67 T +(defined,) 197.46 331.67 T +2 F +(__len__) 235.88 331.67 T +1 F +(is) 284.77 331.67 T +(called,) 294.79 331.67 T +(if) 326.5 331.67 T +(it) 335.9 331.67 T +(is) 344.71 331.67 T +(defined) 354.73 331.67 T +(\050see) 390.41 331.67 T +(below\051.) 410.8 331.67 T +(If) 446.79 331.67 T +(a) 456.8 331.67 T +(class) 464.37 331.67 T +(defines) 488.44 331.67 T +(nei-) 522.9 331.67 T (ther) 135 318.67 T 2 F (__len__) 154.85 318.67 T @@ -6660,90 +12891,370 @@ FrameNoSep (3.3.2) 99 293 T (Customizing attribute access) 144 293 T 1 11 Q -0.28 (The following methods can be defined to customize the meaning of attribute access \050use of, assign-) 99 267.67 P -0.41 0.12 (ment to, or deletion of) 99 254.67 B -2 F -0.99 0.12 (x.) 204.89 254.67 B +(The) 99 267.67 T +(following) 119.13 267.67 T +(methods) 164.93 267.67 T +(can) 205.24 267.67 T +(be) 223.53 267.67 T +(defined) 236.94 267.67 T +(to) 272.96 267.67 T +(customize) 284.54 267.67 T +(the) 332.17 267.67 T +(meaning) 348.64 267.67 T +(of) 389.55 267.67 T +(attribute) 401.74 267.67 T +(access) 441.43 267.67 T +(\050use) 472.55 267.67 T +(of,) 493.9 267.67 T +(assign-) 508.84 267.67 T +(m) 99 254.67 T +(e) 107.68 254.67 T +(n) 112.69 254.67 T +(t) 118.32 254.67 T +(t) 124.79 254.67 T +(o) 127.97 254.67 T +(,) 133.6 254.67 T +(o) 139.76 254.67 T +(r) 145.38 254.67 T +(d) 152.46 254.67 T +(e) 158.09 254.67 T +(l) 163.09 254.67 T +(e) 166.28 254.67 T +(t) 171.29 254.67 T +(i) 174.47 254.67 T +(o) 177.65 254.67 T +(n) 183.28 254.67 T +(o) 192.19 254.67 T +(f) 197.82 254.67 T +2 F +(x) 204.89 254.67 T +(.) 211.62 254.67 T 3 F -0.41 0.12 (name) 218.34 254.67 B -1 F -0.41 0.12 (\051 for class instances. For performance reasons, these methods are) 242.67 254.67 B -0.41 0.02 (cached in the class object at class definition time; therefore, they cannot be changed after the class) 99 241.67 B +(n) 218.34 254.67 T +(a) 223.97 254.67 T +(m) 229.59 254.67 T +(e) 237.66 254.67 T +1 F +(\051) 242.67 254.67 T +(f) 249.74 254.67 T +(o) 253.53 254.67 T +(r) 259.16 254.67 T +(c) 266.23 254.67 T +(l) 271.24 254.67 T +(a) 274.42 254.67 T +(s) 279.43 254.67 T +(s) 283.84 254.67 T +(i) 291.53 254.67 T +(n) 294.71 254.67 T +(s) 300.34 254.67 T +(t) 304.74 254.67 T +(a) 307.92 254.67 T +(n) 312.93 254.67 T +(c) 318.56 254.67 T +(e) 323.57 254.67 T +(s) 328.58 254.67 T +(.) 332.98 254.67 T +(F) 339.14 254.67 T +(o) 345.38 254.67 T +(r) 351.01 254.67 T +(p) 358.08 254.67 T +(e) 363.71 254.67 T +(r) 368.72 254.67 T +(f) 372.51 254.67 T +(o) 376.3 254.67 T +(r) 381.92 254.67 T +(m) 385.71 254.67 T +(a) 394.39 254.67 T +(n) 399.4 254.67 T +(c) 405.03 254.67 T +(e) 410.04 254.67 T +(r) 418.33 254.67 T +(e) 422.12 254.67 T +(a) 427.13 254.67 T +(s) 432.14 254.67 T +(o) 436.54 254.67 T +(n) 442.17 254.67 T +(s) 447.79 254.67 T +(,) 452.2 254.67 T +(t) 458.36 254.67 T +(h) 461.54 254.67 T +(e) 467.17 254.67 T +(s) 472.18 254.67 T +(e) 476.58 254.67 T +(m) 484.88 254.67 T +(e) 493.56 254.67 T +(t) 498.57 254.67 T +(h) 501.75 254.67 T +(o) 507.38 254.67 T +(d) 513 254.67 T +(s) 518.63 254.67 T +(a) 526.32 254.67 T +(r) 531.33 254.67 T +(e) 535.12 254.67 T +(c) 99 241.67 T +(a) 103.9 241.67 T +(c) 108.81 241.67 T +(h) 113.72 241.67 T +(e) 119.24 241.67 T +(d) 124.14 241.67 T +(i) 132.85 241.67 T +(n) 135.93 241.67 T +(t) 144.63 241.67 T +(h) 147.71 241.67 T +(e) 153.23 241.67 T +(c) 161.32 241.67 T +(l) 166.23 241.67 T +(a) 169.3 241.67 T +(s) 174.21 241.67 T +(s) 178.51 241.67 T +(o) 185.99 241.67 T +(b) 191.52 241.67 T +(j) 197.04 241.67 T +(e) 200.12 241.67 T +(c) 205.02 241.67 T +(t) 209.93 241.67 T +(a) 216.19 241.67 T +(t) 221.1 241.67 T +(c) 227.36 241.67 T +(l) 232.26 241.67 T +(a) 235.34 241.67 T +(s) 240.25 241.67 T +(s) 244.55 241.67 T +(d) 252.03 241.67 T +(e) 257.55 241.67 T +(f) 262.46 241.67 T +(i) 266.14 241.67 T +(n) 269.22 241.67 T +(i) 274.74 241.67 T +(t) 277.82 241.67 T +(i) 280.9 241.67 T +(o) 283.98 241.67 T +(n) 289.5 241.67 T +(t) 298.21 241.67 T +(i) 301.29 241.67 T +(m) 304.36 241.67 T +(e) 312.94 241.67 T +(;) 317.85 241.67 T +(t) 324.11 241.67 T +(h) 327.19 241.67 T +(e) 332.71 241.67 T +(r) 337.62 241.67 T +(e) 341.3 241.67 T +(f) 346.21 241.67 T +(o) 349.89 241.67 T +(r) 355.41 241.67 T +(e) 359.1 241.67 T +(,) 364 241.67 T +(t) 369.96 241.67 T +(h) 373.04 241.67 T +(e) 378.56 241.67 T +(y) 383.46 241.67 T +(c) 392.17 241.67 T +(a) 397.07 241.67 T +(n) 401.98 241.67 T +(n) 407.5 241.67 T +(o) 413.02 241.67 T +(t) 418.54 241.67 T +(b) 424.8 241.67 T +(e) 430.33 241.67 T +(c) 438.42 241.67 T +(h) 443.32 241.67 T +(a) 448.84 241.67 T +(n) 453.75 241.67 T +(g) 459.27 241.67 T +(e) 464.79 241.67 T +(d) 469.69 241.67 T +(a) 478.4 241.67 T +(f) 483.3 241.67 T +(t) 486.99 241.67 T +(e) 490.07 241.67 T +(r) 494.97 241.67 T +(t) 501.84 241.67 T +(h) 504.92 241.67 T +(e) 510.44 241.67 T +(c) 518.53 241.67 T +(l) 523.43 241.67 T +(a) 526.51 241.67 T +(s) 531.42 241.67 T +(s) 535.72 241.67 T (definition is executed.) 99 228.67 T 2 F (__getattr__\050self, name\051) 99 209.67 T 1 F --0.39 (Called when an attribute lookup has not found the attribute in the) 257.4 209.67 P --0.6 (usual places \050i.e. it is not an instance attribute nor is it found in the class tree for) 135 196.67 P -2 F --1.43 (self) 478.63 196.67 P -1 F --0.6 (\051.) 505.03 196.67 P -2 F --1.43 (name) 513.6 196.67 P -1 F -0.67 (is the attribute name. This method should return the \050computed\051 attribute value or raise an) 135 183.67 P +(Called) 257.4 209.67 T +(when) 288.48 209.67 T +(an) 314.67 209.67 T +(attribute) 327.41 209.67 T +(lookup) 366.43 209.67 T +(has) 399.35 209.67 T +(not) 416.37 209.67 T +(found) 432.79 209.67 T +(the) 460.82 209.67 T +(attribute) 476.62 209.67 T +(in) 515.64 209.67 T +(the) 526.56 209.67 T +(usual) 135 196.67 T +(places) 160.37 196.67 T +(\050i.e.) 190.01 196.67 T +(it) 209.27 196.67 T +(is) 217.54 196.67 T +(not) 227.03 196.67 T +(an) 243.24 196.67 T +(instance) 255.77 196.67 T +(attribute) 293.97 196.67 T +(nor) 332.79 196.67 T +(is) 349.6 196.67 T +(it) 359.09 196.67 T +(found) 367.36 196.67 T +(in) 395.17 196.67 T +(the) 405.89 196.67 T +(class) 421.48 196.67 T +(tree) 445.02 196.67 T +(for) 463.66 196.67 T +2 F +(self) 478.63 196.67 T +1 F +(\051.) 505.03 196.67 T +2 F +(name) 513.6 196.67 T +1 F +(is) 135 183.67 T +(the) 145.76 183.67 T +(attribute) 162.62 183.67 T +(name.) 202.7 183.67 T +(This) 232.69 183.67 T +(method) 255.67 183.67 T +(should) 292.09 183.67 T +(return) 324.84 183.67 T +(the) 354.53 183.67 T +(\050computed\051) 371.39 183.67 T +(attribute) 425.52 183.67 T +(value) 465.6 183.67 T +(or) 492.85 183.67 T +(raise) 505.43 183.67 T +(an) 529.62 183.67 T 2 F (AttributeError) 135 170.67 T 1 F ( exception.) 227.4 170.67 T -1.22 (Note that if the attribute is found through the normal mechanism,) 135 153.67 P -2 F -2.93 (__getattr__) 438.06 153.67 P -1 F -1.22 ( is not) 510.66 153.67 P -1.13 (called. \050This is an intentional asymmetry between) 135 140.67 P -2 F -2.72 (__getattr__) 364.74 140.67 P -1 F -1.13 ( and) 437.34 140.67 P -2 F -2.72 (__setattr__) 460.99 140.67 P -1 F -1.13 (.\051) 533.59 140.67 P -0 (This is done both for efficiency reasons and because otherwise) 135 127.67 P -2 F -0.01 (__setattr__) 413.63 127.67 P -1 F -0 ( would have) 486.23 127.67 P --0.23 (no way to access other attributes of the instance. Note that at least for instance variables, you) 135 114.67 P -0.14 (can fake total control by not inserting any values in the instance attribute dictionary \050but in-) 135 101.67 P +(Note) 135 153.67 T +(that) 160.35 153.67 T +(if) 180.82 153.67 T +(the) 191.52 153.67 T +(attribute) 208.93 153.67 T +(is) 249.56 153.67 T +(found) 260.87 153.67 T +(through) 290.5 153.67 T +(the) 328.69 153.67 T +(normal) 346.11 153.67 T +(mechanism,) 381.24 153.67 T +2 F +(__getattr__) 438.06 153.67 T +1 F +(is) 514.64 153.67 T +(not) 525.94 153.67 T +(called.) 135 140.67 T +(\050This) 167.9 140.67 T +(is) 195.01 140.67 T +(an) 206.23 140.67 T +(intentional) 220.49 140.67 T +(asymmetry) 271.43 140.67 T +(between) 324.2 140.67 T +2 F +(__getattr__) 364.74 140.67 T +1 F +(and) 441.22 140.67 T +2 F +(__setattr__) 460.99 140.67 T +1 F +(.\051) 533.59 140.67 T +(This) 135 127.67 T +(is) 157.31 127.67 T +(done) 167.4 127.67 T +(both) 191.54 127.67 T +(for) 213.85 127.67 T +(efficiency) 229.43 127.67 T +(reasons) 276.16 127.67 T +(and) 311.9 127.67 T +(because) 330.54 127.67 T +(otherwise) 368.11 127.67 T +2 F +(__setattr__) 413.63 127.67 T +1 F +(would) 488.98 127.67 T +(have) 519.23 127.67 T +(no) 135 114.67 T +(way) 148.52 114.67 T +(to) 169.36 114.67 T +(access) 180.43 114.67 T +(other) 211.04 114.67 T +(attributes) 236.16 114.67 T +(of) 279.62 114.67 T +(the) 291.3 114.67 T +(instance.) 307.26 114.67 T +(Note) 348.57 114.67 T +(that) 372.47 114.67 T +(at) 391.48 114.67 T +(least) 401.94 114.67 T +(for) 424.62 114.67 T +(instance) 439.96 114.67 T +(variables,) 478.52 114.67 T +(you) 523.5 114.67 T +(can) 135 101.67 T +(fake) 153.15 101.67 T +(total) 174.97 101.67 T +(control) 197.41 101.67 T +(by) 231.46 101.67 T +(not) 245.35 101.67 T +(inserting) 262.29 101.67 T +(any) 303.67 101.67 T +(values) 322.44 101.67 T +(in) 353.43 101.67 T +(the) 364.88 101.67 T +(instance) 381.2 101.67 T +(attribute) 420.14 101.67 T +(dictionary) 459.68 101.67 T +(\050but) 507.17 101.67 T +(in-) 527.78 101.67 T (stead inserting them in another object\051.) 135 88.67 T 2 F (__setattr__\050self, name, value\051) 99 69.67 T 1 F --0.27 (Called whenever an attribute assignment is attempted.) 303.6 69.67 P -0 0 0 1 0 0 0 K +(Called) 303.6 69.67 T +(whenever) 334.8 69.67 T +(an) 380.05 69.67 T +(attribute) 392.91 69.67 T +(assignment) 432.06 69.67 T +(is) 484.05 69.67 T +(attempted.) 493.87 69.67 T FMENDPAGE %%EndPage: "19" 25 %%Page: "20" 26 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (20) 76.5 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -1 11 Q --0.66 (This is called instead of the normal mechanism \050i.e. instead of storing the value in the instance) 112.5 712.67 P +1 11 Q +(This) 112.5 712.67 T +(is) 134.15 712.67 T +(called) 143.58 712.67 T +(instead) 171.94 712.67 T +(of) 205.2 712.67 T +(the) 216.46 712.67 T +(normal) 231.99 712.67 T +(mechanism) 265.25 712.67 T +(\050i.e.) 317.45 712.67 T +(instead) 336.65 712.67 T +(of) 369.9 712.67 T +(storing) 381.16 712.67 T +(the) 413.81 712.67 T +(value) 429.35 712.67 T +(in) 455.27 712.67 T +(the) 465.92 712.67 T +(instance) 481.45 712.67 T (dictionary\051.) 112.5 699.67 T 2 F (name) 166.27 699.67 T @@ -6753,24 +13264,46 @@ FrameNoSep (value) 290.44 699.67 T 1 F ( is the value to be assigned to it.) 323.44 699.67 T -1.55 (If) 112.5 682.67 P -2 F -3.72 (__setattr__) 124.12 682.67 P -1 F -1.55 ( wants to assign to an instance attribute, it should) 196.73 682.67 P +(If) 112.5 682.67 T +2 F +(__setattr__) 124.12 682.67 T +1 F +(wants) 201.02 682.67 T +(to) 230.99 682.67 T +(assign) 243.85 682.67 T +(to) 275.64 682.67 T +(an) 288.5 682.67 T +(instance) 303.18 682.67 T +(attribute,) 343.53 682.67 T +(it) 387.24 682.67 T +(should) 397.66 682.67 T 3 F -1.55 (not) 431.3 682.67 P +(not) 431.3 682.67 T 1 F -1.55 ( simply execute) 445.35 682.67 P -0.27 (\324\324) 112.5 669.67 P +(simply) 449.65 682.67 T +(execute) 483.91 682.67 T +(\324\324) 112.5 669.67 T 2 F -0.65 (self.) 119.83 669.67 P +(self.) 119.83 669.67 T 3 F -0.27 (name) 152.83 669.67 P -2 F -0.65 ( = value) 176.65 669.67 P -1 F -0.27 (\325\325 \321 this would cause a recursive call to itself. Instead, it should) 230.75 669.67 P +(name) 152.83 669.67 T +2 F +(=) 183.9 669.67 T +(value) 197.75 669.67 T +1 F +(\325\325) 230.75 669.67 T +(\321) 241.09 669.67 T +(this) 255.11 669.67 T +(would) 274.03 669.67 T +(cause) 304.55 669.67 T +(a) 332 669.67 T +(recursive) 339.9 669.67 T +(call) 383.24 669.67 T +(to) 402.14 669.67 T +(itself.) 413.72 669.67 T +(Instead,) 441.49 669.67 T +(it) 479.03 669.67 T +(should) 488.16 669.67 T (insert the value in the dictionary of instance attributes, e.g.) 112.5 656.67 T (\324\324) 112.5 643.67 T 2 F @@ -6782,11 +13315,17 @@ FrameNoSep 2 F (__delattr__\050self, name\051) 76.5 624.67 T 1 F --0.33 (Like) 234.9 624.67 P +(Like) 234.9 624.67 T 2 F --0.79 (__setattr__) 257.48 624.67 P +(__setattr__) 257.48 624.67 T 1 F --0.33 ( but for attribute deletion instead of assign-) 330.08 624.67 P +(but) 332.5 624.67 T +(for) 348.98 624.67 T +(attribute) 364.23 624.67 T +(deletion) 403.31 624.67 T +(instead) 441.17 624.67 T +(of) 474.75 624.67 T +(assign-) 486.34 624.67 T (ment.) 112.5 611.67 T 0 12 Q (3.3.3) 76.5 586 T @@ -6794,14 +13333,33 @@ FrameNoSep 2 11 Q (__call__\050self, [args...]\051) 76.5 566.67 T 1 F --0.75 (Called when the instance is \322called\323 as a function; if this meth-) 248.1 566.67 P --0.23 (od is defined,) 112.5 553.67 P -2 F --0.55 (x\050arg1, arg2, ...\051) 174.13 553.67 P -1 F --0.23 ( is a shorthand for) 291.83 553.67 P -2 F --0.55 (x.__call__\050arg1, arg2,) 372.85 553.67 P +(Called) 248.1 566.67 T +(when) 278.82 566.67 T +(the) 304.64 566.67 T +(instance) 320.07 566.67 T +(is) 358.11 566.67 T +(\322called\323) 367.45 566.67 T +(as) 405.48 566.67 T +(a) 416.64 566.67 T +(function;) 423.52 566.67 T +(if) 465.23 566.67 T +(this) 473.95 566.67 T +(meth-) 491.84 566.67 T +(od) 112.5 553.67 T +(is) 126.02 553.67 T +(defined,) 135.88 553.67 T +2 F +(x\050arg1,) 174.13 553.67 T +(arg2,) 226.38 553.67 T +(...\051) 265.43 553.67 T +1 F +(is) 294.35 553.67 T +(a) 304.2 553.67 T +(shorthand) 311.61 553.67 T +(for) 357.51 553.67 T +2 F +(x.__call__\050arg1,) 372.85 553.67 T +(arg2,) 484.5 553.67 T (...\051) 112.5 540.67 T 1 F (.) 138.9 540.67 T @@ -6809,92 +13367,443 @@ FrameNoSep (3.3.4) 76.5 515 T (Emulating sequence and mapping types) 121.5 515 T 1 11 Q --0.37 (The following methods can be defined to emulate sequence or mapping objects. The first set of meth-) 76.5 489.67 P --0.49 (ods is used either to emulate a sequence or to emulate a mapping; the difference is that for a sequence,) 76.5 476.67 P -0.41 0.07 (the allowable keys should be the integers) 76.5 463.67 B +(The) 76.5 489.67 T +(following) 95.98 489.67 T +(methods) 141.14 489.67 T +(can) 180.8 489.67 T +(be) 198.44 489.67 T +(defined) 211.21 489.67 T +(to) 246.57 489.67 T +(emulate) 257.51 489.67 T +(sequence) 294.71 489.67 T +(or) 337.4 489.67 T +(mapping) 348.95 489.67 T +(objects.) 389.82 489.67 T +(The) 426.11 489.67 T +(first) 445.6 489.67 T +(set) 465.7 489.67 T +(of) 480.3 489.67 T +(meth-) 491.84 489.67 T +(ods) 76.5 476.67 T +(is) 94.04 476.67 T +(used) 103.64 476.67 T +(either) 126.06 476.67 T +(to) 153.37 476.67 T +(emulate) 164.19 476.67 T +(a) 201.28 476.67 T +(sequence) 208.42 476.67 T +(or) 251 476.67 T +(to) 262.42 476.67 T +(emulate) 273.24 476.67 T +(a) 310.33 476.67 T +(mapping;) 317.48 476.67 T +(the) 361.3 476.67 T +(difference) 377 476.67 T +(is) 423.84 476.67 T +(that) 433.44 476.67 T +(for) 452.2 476.67 T +(a) 467.29 476.67 T +(sequence,) 474.43 476.67 T +(t) 76.5 463.67 T +(h) 79.63 463.67 T +(e) 85.21 463.67 T +(a) 93.4 463.67 T +(l) 98.36 463.67 T +(l) 101.49 463.67 T +(o) 104.62 463.67 T +(w) 110.2 463.67 T +(a) 118.21 463.67 T +(b) 123.17 463.67 T +(l) 128.74 463.67 T +(e) 131.88 463.67 T +(k) 140.07 463.67 T +(e) 145.65 463.67 T +(y) 150.6 463.67 T +(s) 156.18 463.67 T +(s) 163.77 463.67 T +(h) 168.12 463.67 T +(o) 173.69 463.67 T +(u) 179.27 463.67 T +(l) 184.84 463.67 T +(d) 187.97 463.67 T +(b) 196.78 463.67 T +(e) 202.36 463.67 T +(t) 210.55 463.67 T +(h) 213.68 463.67 T +(e) 219.26 463.67 T +(i) 227.45 463.67 T +(n) 230.58 463.67 T +(t) 236.16 463.67 T +(e) 239.29 463.67 T +(g) 244.25 463.67 T +(e) 249.82 463.67 T +(r) 254.78 463.67 T +(s) 258.52 463.67 T 3 F -0.41 0.07 (k) 266.11 463.67 B -1 F -0.41 0.07 ( for which 0) 271.06 463.67 B -2 F -0.99 0.07 (<=) 329.89 463.67 B +(k) 266.11 463.67 T +1 F +(f) 274.3 463.67 T +(o) 278.04 463.67 T +(r) 283.61 463.67 T +(w) 290.58 463.67 T +(h) 298.6 463.67 T +(i) 304.17 463.67 T +(c) 307.31 463.67 T +(h) 312.27 463.67 T +(0) 321.08 463.67 T +2 F +(<) 329.89 463.67 T +(=) 336.56 463.67 T 3 F -0.41 0.07 (k) 346.47 463.67 B +(k) 346.47 463.67 T 2 F -0.99 0.07 (<) 354.66 463.67 B +(<) 354.66 463.67 T 3 F -0.41 0.07 (N) 364.58 463.67 B +(N) 364.58 463.67 T 1 F -0.41 0.07 ( where) 371.99 463.67 B +(w) 375.22 463.67 T +(h) 383.24 463.67 T +(e) 388.81 463.67 T +(r) 393.77 463.67 T +(e) 397.51 463.67 T 3 F -0.41 0.07 (N) 405.7 463.67 B -1 F -0.41 0.07 ( is the length of the se-) 413.11 463.67 B --0.52 (quence, and the method) 76.5 450.67 P -2 F --1.24 (__getslice__) 181.66 450.67 P -1 F --0.52 ( \050see below\051 should be defined. It is also recommended that) 260.86 450.67 P --0.16 (mappings provide methods) 76.5 437.67 P -2 F --0.38 (keys) 197.94 437.67 P -1 F --0.16 (,) 224.34 437.67 P -2 F --0.38 (values) 229.69 437.67 P -1 F --0.16 ( and) 269.29 437.67 P -2 F --0.38 (items) 290.36 437.67 P -1 F --0.16 ( behaving similar to those for Python\325s stan-) 323.36 437.67 P -0.41 0.2 (dard dictionary objects; mutable sequences should provide methods) 76.5 424.67 B -2 F -0.99 0.2 (append) 393.4 424.67 B -1 F -0.41 0.2 (,) 434.17 424.67 B -2 F -0.99 0.2 (count) 440.48 424.67 B -1 F -0.41 0.2 (,) 474.46 424.67 B -2 F -0.99 0.2 (index) 480.77 424.67 B -1 F -0.41 0.2 (,) 514.75 424.67 B -2 F -0.99 0 (insert) 76.5 411.67 B -1 F -0.41 0 (,) 116.11 411.67 B -2 F -0.99 0 (sort) 122.02 411.67 B -1 F -0.41 0 (,) 148.43 411.67 B -2 F -0.99 0 (remove) 154.34 411.67 B -1 F -0.41 0 ( and) 193.95 411.67 B -2 F -0.99 0 (reverse) 216.16 411.67 B -1 F -0.41 0 ( like Python standard list objects. Finally, sequence types) 262.37 411.67 B -0.41 0.01 (should implement addition \050meaning concatenation\051 and multiplication \050meaning repetition\051 by de-) 76.5 398.67 B --0.55 (fining the methods) 76.5 385.67 P -2 F --1.31 (__add__) 160.11 385.67 P -1 F --0.55 (,) 206.31 385.67 P -2 F --1.31 (__radd__) 211.27 385.67 P -1 F --0.55 (,) 264.07 385.67 P -2 F --1.31 (__mul__) 269.02 385.67 P -1 F --0.55 ( and) 315.22 385.67 P -2 F --1.31 (__rmul__) 335.51 385.67 P -1 F --0.55 ( described below; they should) 388.31 385.67 P +(N) 405.7 463.67 T +1 F +(i) 416.35 463.67 T +(s) 419.48 463.67 T +(t) 427.07 463.67 T +(h) 430.2 463.67 T +(e) 435.78 463.67 T +(l) 443.97 463.67 T +(e) 447.1 463.67 T +(n) 452.06 463.67 T +(g) 457.64 463.67 T +(t) 463.21 463.67 T +(h) 466.34 463.67 T +(o) 475.15 463.67 T +(f) 480.73 463.67 T +(t) 487.7 463.67 T +(h) 490.83 463.67 T +(e) 496.4 463.67 T +(s) 504.6 463.67 T +(e) 508.95 463.67 T +(-) 513.91 463.67 T +(quence,) 76.5 450.67 T +(and) 112.64 450.67 T +(the) 130.75 450.67 T +(method) 146.43 450.67 T +2 F +(__getslice__) 181.66 450.67 T +1 F +(\050see) 263.09 450.67 T +(below\051) 283.04 450.67 T +(should) 315.82 450.67 T +(be) 347.39 450.67 T +(defined.) 360 450.67 T +(It) 397.97 450.67 T +(is) 406.93 450.67 T +(also) 416.5 450.67 T +(recommended) 436.45 450.67 T +(that) 501 450.67 T +(mappings) 76.5 437.67 T +(provide) 121.87 437.67 T +(methods) 158.07 437.67 T +2 F +(keys) 197.94 437.67 T +1 F +(,) 224.34 437.67 T +2 F +(values) 229.69 437.67 T +1 F +(and) 271.88 437.67 T +2 F +(items) 290.36 437.67 T +1 F +(behaving) 325.95 437.67 T +(similar) 368.87 437.67 T +(to) 402.02 437.67 T +(those) 413.17 437.67 T +(for) 438.99 437.67 T +(Python\325s) 454.41 437.67 T +(stan-) 496.12 437.67 T +(d) 76.5 424.67 T +(a) 82.2 424.67 T +(r) 87.28 424.67 T +(d) 91.14 424.67 T +(d) 100.19 424.67 T +(i) 105.89 424.67 T +(c) 109.14 424.67 T +(t) 114.22 424.67 T +(i) 117.48 424.67 T +(o) 120.73 424.67 T +(n) 126.43 424.67 T +(a) 132.12 424.67 T +(r) 137.21 424.67 T +(y) 141.07 424.67 T +(o) 150.12 424.67 T +(b) 155.82 424.67 T +(j) 161.51 424.67 T +(e) 164.77 424.67 T +(c) 169.85 424.67 T +(t) 174.93 424.67 T +(s) 178.18 424.67 T +(;) 182.66 424.67 T +(m) 189.27 424.67 T +(u) 198.03 424.67 T +(t) 203.72 424.67 T +(a) 206.98 424.67 T +(b) 212.06 424.67 T +(l) 217.75 424.67 T +(e) 221.01 424.67 T +(s) 229.45 424.67 T +(e) 233.92 424.67 T +(q) 239 424.67 T +(u) 244.7 424.67 T +(e) 250.4 424.67 T +(n) 255.48 424.67 T +(c) 261.17 424.67 T +(e) 266.25 424.67 T +(s) 271.33 424.67 T +(s) 279.17 424.67 T +(h) 283.64 424.67 T +(o) 289.34 424.67 T +(u) 295.04 424.67 T +(l) 300.73 424.67 T +(d) 303.99 424.67 T +(p) 313.04 424.67 T +(r) 318.74 424.67 T +(o) 322.6 424.67 T +(v) 328.3 424.67 T +(i) 333.99 424.67 T +(d) 337.25 424.67 T +(e) 342.94 424.67 T +(m) 351.38 424.67 T +(e) 360.14 424.67 T +(t) 365.22 424.67 T +(h) 368.47 424.67 T +(o) 374.17 424.67 T +(d) 379.86 424.67 T +(s) 385.56 424.67 T +2 F +(a) 393.4 424.67 T +(p) 400.19 424.67 T +(p) 406.99 424.67 T +(e) 413.79 424.67 T +(n) 420.58 424.67 T +(d) 427.38 424.67 T +1 F +(,) 434.17 424.67 T +2 F +(c) 440.48 424.67 T +(o) 447.28 424.67 T +(u) 454.07 424.67 T +(n) 460.87 424.67 T +(t) 467.67 424.67 T +1 F +(,) 474.46 424.67 T +2 F +(i) 480.77 424.67 T +(n) 487.56 424.67 T +(d) 494.36 424.67 T +(e) 501.16 424.67 T +(x) 507.95 424.67 T +1 F +(,) 514.75 424.67 T +2 F +(i) 76.5 411.67 T +(n) 83.1 411.67 T +(s) 89.7 411.67 T +(e) 96.3 411.67 T +(r) 102.9 411.67 T +(t) 109.5 411.67 T +1 F +(,) 116.11 411.67 T +2 F +(s) 122.02 411.67 T +(o) 128.62 411.67 T +(r) 135.22 411.67 T +(t) 141.82 411.67 T +1 F +(,) 148.43 411.67 T +2 F +(r) 154.34 411.67 T +(e) 160.94 411.67 T +(m) 167.54 411.67 T +(o) 174.14 411.67 T +(v) 180.74 411.67 T +(e) 187.35 411.67 T +1 F +(a) 197.11 411.67 T +(n) 201.99 411.67 T +(d) 207.5 411.67 T +2 F +(r) 216.16 411.67 T +(e) 222.76 411.67 T +(v) 229.36 411.67 T +(e) 235.96 411.67 T +(r) 242.57 411.67 T +(s) 249.17 411.67 T +(e) 255.77 411.67 T +1 F +(l) 265.53 411.67 T +(i) 268.59 411.67 T +(k) 271.65 411.67 T +(e) 277.15 411.67 T +(P) 285.2 411.67 T +(y) 291.32 411.67 T +(t) 296.82 411.67 T +(h) 299.88 411.67 T +(o) 305.38 411.67 T +(n) 310.88 411.67 T +(s) 319.54 411.67 T +(t) 323.82 411.67 T +(a) 326.88 411.67 T +(n) 331.77 411.67 T +(d) 337.27 411.67 T +(a) 342.77 411.67 T +(r) 347.65 411.67 T +(d) 351.32 411.67 T +(l) 359.98 411.67 T +(i) 363.04 411.67 T +(s) 366.1 411.67 T +(t) 370.38 411.67 T +(o) 376.61 411.67 T +(b) 382.11 411.67 T +(j) 387.61 411.67 T +(e) 390.67 411.67 T +(c) 395.55 411.67 T +(t) 400.44 411.67 T +(s) 403.49 411.67 T +(.) 407.77 411.67 T +(F) 413.69 411.67 T +(i) 419.81 411.67 T +(n) 422.87 411.67 T +(a) 428.37 411.67 T +(l) 433.25 411.67 T +(l) 436.31 411.67 T +(y) 439.37 411.67 T +(,) 444.87 411.67 T +(s) 450.79 411.67 T +(e) 455.07 411.67 T +(q) 459.95 411.67 T +(u) 465.45 411.67 T +(e) 470.95 411.67 T +(n) 475.84 411.67 T +(c) 481.34 411.67 T +(e) 486.23 411.67 T +(t) 494.27 411.67 T +(y) 497.33 411.67 T +(p) 502.83 411.67 T +(e) 508.33 411.67 T +(s) 513.22 411.67 T +(s) 76.5 398.67 T +(h) 80.79 398.67 T +(o) 86.29 398.67 T +(u) 91.8 398.67 T +(l) 97.3 398.67 T +(d) 100.37 398.67 T +(i) 109.04 398.67 T +(m) 112.11 398.67 T +(p) 120.67 398.67 T +(l) 126.18 398.67 T +(e) 129.24 398.67 T +(m) 134.13 398.67 T +(e) 142.7 398.67 T +(n) 147.59 398.67 T +(t) 153.09 398.67 T +(a) 159.32 398.67 T +(d) 164.21 398.67 T +(d) 169.72 398.67 T +(i) 175.23 398.67 T +(t) 178.29 398.67 T +(i) 181.36 398.67 T +(o) 184.42 398.67 T +(n) 189.93 398.67 T +(\050) 198.6 398.67 T +(m) 202.27 398.67 T +(e) 210.84 398.67 T +(a) 215.73 398.67 T +(n) 220.62 398.67 T +(i) 226.12 398.67 T +(n) 229.19 398.67 T +(g) 234.69 398.67 T +(c) 243.37 398.67 T +(o) 248.26 398.67 T +(n) 253.76 398.67 T +(c) 259.27 398.67 T +(a) 264.16 398.67 T +(t) 269.05 398.67 T +(e) 272.11 398.67 T +(n) 277 398.67 T +(a) 282.51 398.67 T +(t) 287.4 398.67 T +(i) 290.46 398.67 T +(o) 293.53 398.67 T +(n) 299.04 398.67 T +(\051) 304.54 398.67 T +(a) 311.38 398.67 T +(n) 316.27 398.67 T +(d) 321.77 398.67 T +(m) 330.45 398.67 T +(u) 339.01 398.67 T +(l) 344.52 398.67 T +(t) 347.58 398.67 T +(i) 350.65 398.67 T +(p) 353.71 398.67 T +(l) 359.22 398.67 T +(i) 362.28 398.67 T +(c) 365.35 398.67 T +(a) 370.24 398.67 T +(t) 375.13 398.67 T +(i) 378.19 398.67 T +(o) 381.26 398.67 T +(n) 386.76 398.67 T +(\050) 395.44 398.67 T +(m) 399.11 398.67 T +(e) 407.67 398.67 T +(a) 412.56 398.67 T +(n) 417.45 398.67 T +(i) 422.96 398.67 T +(n) 426.02 398.67 T +(g) 431.53 398.67 T +(r) 440.2 398.67 T +(e) 443.87 398.67 T +(p) 448.76 398.67 T +(e) 454.27 398.67 T +(t) 459.16 398.67 T +(i) 462.22 398.67 T +(t) 465.29 398.67 T +(i) 468.35 398.67 T +(o) 471.42 398.67 T +(n) 476.92 398.67 T +(\051) 482.43 398.67 T +(b) 489.27 398.67 T +(y) 494.77 398.67 T +(d) 503.45 398.67 T +(e) 508.95 398.67 T +(-) 513.84 398.67 T +(fining) 76.5 385.67 T +(the) 104.98 385.67 T +(methods) 120.63 385.67 T +2 F +(__add__) 160.11 385.67 T +1 F +(,) 206.31 385.67 T +2 F +(__radd__) 211.27 385.67 T +1 F +(,) 264.07 385.67 T +2 F +(__mul__) 269.02 385.67 T +1 F +(and) 317.42 385.67 T +2 F +(__rmul__) 335.51 385.67 T +1 F +(described) 390.52 385.67 T +(below;) 434.87 385.67 T +(they) 467.02 385.67 T +(should) 488.16 385.67 T (not define) 76.5 372.67 T 2 F (__coerce__) 123.55 372.67 T @@ -6903,34 +13812,79 @@ FrameNoSep 2 F (__len__\050self\051) 76.5 353.67 T 1 F --0.67 (Called to implement the built-in function) 168.9 353.67 P -2 F --1.6 (len\050\051) 348.25 353.67 P -1 F --0.67 (. Should return the length of the) 381.25 353.67 P --0.16 (object, an integer) 112.5 340.67 P -2 F --0.39 (>=) 190.83 340.67 P -1 F --0.16 ( 0. Also, an object that doesn\325t define a) 204.03 340.67 P -2 F --0.39 (__nonzero__\050\051) 377.64 340.67 P -1 F --0.16 ( method and) 463.44 340.67 P +(Called) 168.9 353.67 T +(to) 199.71 353.67 T +(implement) 210.35 353.67 T +(the) 259.49 353.67 T +(built-in) 275.02 353.67 T +(function) 309.5 353.67 T +2 F +(len\050\051) 348.25 353.67 T +1 F +(.) 381.25 353.67 T +(Should) 386.08 353.67 T +(return) 419.34 353.67 T +(the) 447.7 353.67 T +(length) 463.22 353.67 T +(of) 492.81 353.67 T +(the) 504.06 353.67 T +(object,) 112.5 340.67 T +(an) 145.67 340.67 T +(integer) 159.58 340.67 T +2 F +(>=) 193.66 340.67 T +1 F +(0.) 210.39 340.67 T +(Also,) 222.17 340.67 T +(an) 249.24 340.67 T +(object) 263.15 340.67 T +(that) 293.57 340.67 T +(doesn\325t) 313.6 340.67 T +(define) 349.52 340.67 T +(a) 380.54 340.67 T +2 F +(__nonzero__) 388.95 340.67 T +1 F +(method) 465.08 340.67 T +(and) 501.61 340.67 T (whose) 112.5 327.67 T 2 F -(__len__\050\051) 143.35 327.67 T +(__len__) 143.35 327.67 T 1 F -( method returns zero is considered to be false in a Boolean context.) 202.76 327.67 T +( method returns zero is considered to be false in a Boolean context.) 189.55 327.67 T 2 F (__getitem__\050self, key\051) 76.5 308.67 T 1 F --0.74 (Called to implement evaluation of) 228.3 308.67 P -2 F --1.78 (self[key]) 377.67 308.67 P -1 F --0.74 (. Note that the spe-) 437.07 308.67 P -0.38 (cial interpretation of negative keys \050if the class wishes to emulate a sequence type\051 is up to) 112.5 295.67 P +(Called) 228.3 308.67 T +(to) 259.03 308.67 T +(implement) 269.6 308.67 T +(evaluation) 318.66 308.67 T +(of) 366.49 308.67 T +2 F +(self[key]) 377.67 308.67 T +1 F +(.) 437.07 308.67 T +(Note) 441.82 308.67 T +(that) 465.22 308.67 T +(the) 483.72 308.67 T +(spe-) 499.17 308.67 T +(cial) 112.5 295.67 T +(interpretation) 130.82 295.67 T +(of) 192.53 295.67 T +(negative) 204.13 295.67 T +(indices) 243.84 295.67 T +(\050if) 277.44 295.67 T +(the) 290.26 295.67 T +(class) 306.14 295.67 T +(wishes) 329.96 295.67 T +(to) 362.35 295.67 T +(emulate) 373.34 295.67 T +(a) 410.61 295.67 T +(sequence) 417.93 295.67 T +(type\051) 460.68 295.67 T +(is) 485.73 295.67 T +(up) 495.5 295.67 T +(to) 508.94 295.67 T (the) 112.5 282.67 T 2 F (__getitem__) 128.69 282.67 T @@ -6939,11 +13893,16 @@ FrameNoSep 2 F (__setitem__\050self, key, value\051) 76.5 263.67 T 1 F --0.41 (Called to implement assignment to) 274.5 263.67 P +(Called) 274.5 263.67 T +(to) 305.56 263.67 T +(implement) 316.45 263.67 T +(assignment) 365.84 263.67 T +(to) 417.68 263.67 T 2 F --1 (self[key]) 428.57 263.67 P +(self[key]) 428.57 263.67 T 1 F --0.41 (. Same) 487.97 263.67 P +(.) 487.97 263.67 T +(Same) 493.06 263.67 T (note as for) 112.5 250.67 T 2 F (__getitem__) 161.68 250.67 T @@ -6952,11 +13911,19 @@ FrameNoSep 2 F (__delitem__\050self, key\051) 76.5 231.67 T 1 F -0.89 (Called to implement deletion of) 228.3 231.67 P +(Called) 228.3 231.67 T +(to) 260.66 231.67 T +(implement) 272.85 231.67 T +(deletion) 323.55 231.67 T +(of) 362.63 231.67 T 2 F -2.13 (self[key]) 375.43 231.67 P +(self[key]) 375.43 231.67 T 1 F -0.89 (. Same note as for) 434.83 231.67 P +(.) 434.83 231.67 T +(Same) 441.21 231.67 T +(note) 469.29 231.67 T +(as) 491.87 231.67 T +(for) 504.67 231.67 T 2 F (__getitem__) 112.5 218.67 T 1 F @@ -6965,536 +13932,872 @@ FrameNoSep (3.3.4.1) 76.5 196.67 T (Additional methods for emulation of sequence types) 121.5 196.67 T 1 F --0.39 (The following methods can be defined to further emulate sequence objects. For immutable sequences) 76.5 171.67 P --0.15 (methods, only) 76.5 158.67 P -2 F --0.35 (__getslice__) 141.29 158.67 P -1 F --0.15 ( should be defined; for mutable sequences, all three methods should) 220.49 158.67 P +(The) 76.5 171.67 T +(following) 95.97 171.67 T +(methods) 141.11 171.67 T +(can) 180.75 171.67 T +(be) 198.38 171.67 T +(defined) 211.13 171.67 T +(to) 246.48 171.67 T +(further) 257.4 171.67 T +(emulate) 289.7 171.67 T +(sequence) 326.89 171.67 T +(objects.) 369.57 171.67 T +(For) 405.84 171.67 T +(immutable) 423.48 171.67 T +(sequences) 472.91 171.67 T +(methods,) 76.5 158.67 T +(only) 119.13 158.67 T +2 F +(__getslice__) 141.29 158.67 T +1 F +(should) 223.09 158.67 T +(be) 255.03 158.67 T +(defined;) 268.02 158.67 T +(for) 306.67 158.67 T +(mutable) 322.1 158.67 T +(sequences,) 360.14 158.67 T +(all) 410.09 158.67 T +(three) 423.69 158.67 T +(methods) 448.28 158.67 T +(should) 488.16 158.67 T (be defined.) 76.5 145.67 T 2 F (__getslice__\050self, i, j\051) 76.5 126.67 T 1 F -0.22 (Called to implement evaluation of) 241.5 126.67 P -2 F -0.52 (self[i:j]) 395.66 126.67 P -1 F -0.22 (. The returned) 455.06 126.67 P -0.15 (object should be of the same type as) 112.5 113.67 P -2 F -0.37 (self) 275.64 113.67 P -1 F -0.15 (. Note that missing) 302.04 113.67 P -2 F -0.37 (i) 388.51 113.67 P -1 F -0.15 ( or) 395.11 113.67 P -2 F -0.37 (j) 410.08 113.67 P -1 F -0.15 ( in the slice expression) 416.68 113.67 P -0.09 (are replaced by 0 or) 112.5 100.67 P -2 F -0.22 (len\050self\051) 203.07 100.67 P -1 F -0.09 (, respectively, and) 262.47 100.67 P -2 F -0.22 (len\050self\051) 345.53 100.67 P -1 F -0.09 ( has been added \050once\051 to) 404.93 100.67 P -(originally negative) 112.5 87.67 T -2 F -(i) 198.05 87.67 T -1 F -( or) 204.65 87.67 T -2 F -(j) 219.31 87.67 T -1 F -( by the time this function is called \050unlike for) 225.91 87.67 T -2 F -(__getitem__) 427.56 87.67 T -1 F -(\051.) 500.16 87.67 T -2 F -(__setslice__\050self, i, j, sequence\051) 76.5 68.67 T -1 F --1.66 (Called to implement assignment to) 307.5 68.67 P -2 F --3.98 (self[i:j]) 455.35 68.67 P -1 F --1.66 (.) 514.75 68.67 P -0 0 0 1 0 0 0 K +(Called) 241.5 126.67 T +(to) 273.19 126.67 T +(implement) 284.71 126.67 T +(evaluation) 334.74 126.67 T +(of) 383.53 126.67 T +2 F +(self[i:j]) 395.66 126.67 T +1 F +(.) 455.06 126.67 T +(The) 460.78 126.67 T +(returned) 480.85 126.67 T +(object) 112.5 113.67 T +(should) 142.29 113.67 T +(be) 174.52 113.67 T +(of) 187.81 113.67 T +(the) 199.88 113.67 T +(same) 216.22 113.67 T +(type) 241.73 113.67 T +(as) 263.57 113.67 T +2 F +(self) 275.64 113.67 T +1 F +(.) 302.04 113.67 T +(Note) 307.69 113.67 T +(that) 331.98 113.67 T +(missing) 351.38 113.67 T +2 F +(i) 388.51 113.67 T +1 F +(or) 398.02 113.67 T +2 F +(j) 410.08 113.67 T +1 F +(in) 419.58 113.67 T +(the) 431.04 113.67 T +(slice) 447.39 113.67 T +(expression) 470.45 113.67 T +(are) 112.5 100.67 T +(replaced) 128.46 100.67 T +(by) 168.25 100.67 T +(0) 181.78 100.67 T +(or) 189.82 100.67 T +2 F +(sys.maxint) 201.51 100.67 T +1 F +(,) 267.51 100.67 T +(respectively,) 272.79 100.67 T +(and) 331.23 100.67 T +(no) 349.64 100.67 T +(further) 363.17 100.67 T +(transformations) 395.64 100.67 T +(on) 467.21 100.67 T +(the) 480.75 100.67 T +(indi-) 496.72 100.67 T +(ces) 112.5 87.67 T +(is) 128.77 87.67 T +(performed) 138.32 87.67 T +(\050the) 186.35 87.67 T +(implementation) 205.68 87.67 T +(of) 276.96 87.67 T +(negative) 288.34 87.67 T +(indices) 327.82 87.67 T +(is) 361.21 87.67 T +(up) 370.76 87.67 T +(to) 383.98 87.67 T +(the) 394.76 87.67 T +2 F +(__getslice__) 410.42 87.67 T +1 F +(meth-) 491.84 87.67 T +(od.) 112.5 74.67 T FMENDPAGE %%EndPage: "20" 26 %%Page: "21" 27 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (21) 530 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 585 292.5 598.5 720 R 5 9 Q -(\245) 0 -90 592.5 720 TF -(Data model) 0 -90 592.5 711 TF +(\245) 0 270 592.5 720 TF +(Data model) 0 270 592.5 711 TF 585 292.5 598.5 720 R -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -1 11 Q --0.16 (The) 135 712.67 P -2 F --0.39 (sequence) 154.69 712.67 P -1 F --0.16 ( argument can have any type. The return value should be) 207.49 712.67 P -2 F --0.39 (None) 458.02 712.67 P -1 F --0.16 (. Same notes) 484.42 712.67 P -(for) 135 699.67 T -2 F -(i) 150.58 699.67 T -1 F -( and) 157.18 699.67 T -2 F -(j) 178.56 699.67 T -1 F -( as for) 185.16 699.67 T -2 F -(__getslice__) 215.4 699.67 T -1 F -(.) 294.6 699.67 T -2 F -(__delslice__\050self, i, j\051) 99 680.67 T -1 F --0.77 (Called to implement deletion of) 264 680.67 P -2 F --1.85 (self[i:j]) 402.84 680.67 P -1 F --0.77 (. Same notes for) 462.24 680.67 P -2 F --1.85 (i) 533.4 680.67 P -1 F -(and) 135 667.67 T -2 F -(j) 153.63 667.67 T -1 F -( as for) 160.23 667.67 T -2 F -(__getslice__) 190.47 667.67 T -1 F -(.) 269.67 667.67 T -0.08 (Notice that these methods are only invoked when a single slice with a single colon is used. For slice) 99 642.67 P -0.33 (operations involving) 99 629.67 P -3 F -0.33 (extended slice notation) 193.15 629.67 P -1 F -0.33 (,) 295.23 629.67 P -2 F -0.78 (__getitem__) 301.06 629.67 P -1 F -0.33 (,) 373.66 629.67 P -2 F -0.78 (__setitem__) 379.49 629.67 P -1 F -0.33 ( or) 452.08 629.67 P -2 F -0.78 (__delitem__) 467.4 629.67 P -1 F -(is called.) 99 616.67 T -0 12 Q -(3.3.5) 99 591 T -(Emulating numeric types) 144 591 T -1 11 Q --0.15 (The following methods can be defined to emulate numeric objects. Methods corresponding to opera-) 99 565.67 P --0.54 (tions that are not supported by the particular kind of number implemented \050e.g., bitwise operations for) 99 552.67 P -(non-integral numbers\051 should be left undefined.) 99 539.67 T -2 F -(__add__\050self, right\051) 99 520.67 T -(__sub__\050self, right\051) 99 507.67 T -(__mul__\050self, right\051) 99 494.67 T -(__div__\050self, right\051) 99 481.67 T -(__mod__\050self, right\051) 99 468.67 T -(__divmod__\050self, right\051) 99 455.67 T -(__pow__\050self, right\051) 99 442.67 T -(__lshift__\050self, right\051) 99 429.67 T -(__rshift__\050self, right\051) 99 416.67 T -(__and__\050self, right\051) 99 403.67 T -(__xor__\050self, right\051) 99 390.67 T -(__or__\050self, right\051) 99 377.67 T -1 F -0.44 (These functions are called to implement the binary arithmetic operations \050+, -, *, /, %, div-) 135 364.67 P -0.67 (mod\050\051, pow\050\051, <<, >>, &, ^, |\051. For instance: to evaluate the expression x+y, where x is an) 135 351.67 P -(instance of a class that has an __add__ method, x.__add__\050y\051 is called.) 135 338.67 T -2 F -(__radd__\050self, left\051) 99 319.67 T -(__rsub__\050self, left\051) 99 306.67 T -(__rmul__\050self, left\051) 99 293.67 T -(__rdiv__\050self, left\051) 99 280.67 T -(__rmod__\050self, left\051) 99 267.67 T -(__rdivmod__\050self, left\051) 99 254.67 T -(__rpow__\050self, left\051) 99 241.67 T -(__rlshift__\050self, left\051) 99 228.67 T -(__rrshift__\050self, left\051) 99 215.67 T -(__rand__\050self, left\051) 99 202.67 T -(__rxor__\050self, left\051) 99 189.67 T -(__ror__\050self, left\051) 99 176.67 T -1 F --1.3 ( These functions are called to implement the binary arithmetic operations) 231 176.67 P --0.5 (\050) 135 163.67 P -2 F --1.21 (+) 138.66 163.67 P +2 11 Q +(__setslice__\050self, i, j, sequence\051) 99 712.67 T 1 F --0.5 (,) 145.26 163.67 P +(Called) 330 712.67 T +(to) 359.81 712.67 T +(implement) 369.46 712.67 T +(assignment) 417.61 712.67 T +(to) 468.2 712.67 T 2 F --1.21 (-) 150.26 163.67 P +(self[i:j]) 477.85 712.67 T 1 F --0.5 (,) 156.86 163.67 P +(.) 537.25 712.67 T +(The) 135 699.67 T 2 F --1.21 (*) 161.85 163.67 P +(sequence) 154.69 699.67 T 1 F --0.5 (,) 168.46 163.67 P +(argument) 210.08 699.67 T +(can) 254.21 699.67 T +(have) 272.06 699.67 T +(any) 295.42 699.67 T +(type.) 313.89 699.67 T +(The) 338.17 699.67 T +(return) 357.86 699.67 T +(value) 386.71 699.67 T +(should) 413.12 699.67 T +(be) 445.05 699.67 T 2 F --1.21 (/) 173.45 163.67 P +(None) 458.02 699.67 T 1 F --0.5 (,) 180.05 163.67 P +(.) 484.42 699.67 T +(Same) 489.75 699.67 T +(notes) 516.78 699.67 T +(for) 135 686.67 T 2 F --1.21 (%) 185.05 163.67 P +(i) 150.58 686.67 T 1 F --0.5 (,) 191.65 163.67 P +( and) 157.18 686.67 T 2 F --1.21 (divmod\050\051) 196.64 163.67 P +(j) 178.56 686.67 T 1 F --0.5 (,) 249.44 163.67 P +( as for) 185.16 686.67 T 2 F --1.21 (pow\050\051) 254.44 163.67 P +(__getslice__) 215.4 686.67 T 1 F --0.5 (,) 287.44 163.67 P +(.) 294.6 686.67 T 2 F --1.21 (<<) 292.44 163.67 P +(__delslice__\050self, i, j\051) 99 667.67 T 1 F --0.5 (,) 305.64 163.67 P +(Called) 264 667.67 T +(to) 294.7 667.67 T +(implement) 305.24 667.67 T +(deletion) 354.28 667.67 T +(of) 391.7 667.67 T 2 F --1.21 (>>) 310.63 163.67 P +(self[i:j]) 402.84 667.67 T 1 F --0.5 (,) 323.83 163.67 P +(.) 462.24 667.67 T +(Same) 466.97 667.67 T +(notes) 493.39 667.67 T +(for) 518.59 667.67 T 2 F --1.21 (&) 328.83 163.67 P +(i) 533.4 667.67 T 1 F --0.5 (,) 335.43 163.67 P +(and) 135 654.67 T 2 F --1.21 (^) 340.42 163.67 P +(j) 153.63 654.67 T 1 F --0.5 (,) 347.02 163.67 P +( as for) 160.23 654.67 T 2 F --1.21 (|) 352.02 163.67 P +(__getslice__) 190.47 654.67 T 1 F --0.5 (\051 with reversed operands. These functions) 358.62 163.67 P --0.38 (are only called if the left operand does not support the corresponding operation. For instance:) 135 150.67 P -1.72 (to evaluate the expression x+y, where x is an instance of a class that does not have an) 135 137.67 P -2 F -(__add__) 135 124.67 T +(.) 269.67 654.67 T +(Notice) 99 629.67 T +(that) 131.15 629.67 T +(these) 150.48 629.67 T +(methods) 175.91 629.67 T +(are) 216.01 629.67 T +(only) 232.27 629.67 T +(invoked) 254.65 629.67 T +(when) 292.92 629.67 T +(a) 319.57 629.67 T +(single) 327.28 629.67 T +(slice) 356.38 629.67 T +(with) 379.37 629.67 T +(a) 401.75 629.67 T +(single) 409.46 629.67 T +(colon) 438.57 629.67 T +(is) 465.83 629.67 T +(used.) 475.99 629.67 T +(For) 501.73 629.67 T +(slice) 519.84 629.67 T +(operations) 99 616.67 T +(involving) 147.9 616.67 T +3 F +(extended) 193.15 616.67 T +(slice) 235.32 616.67 T +(notation) 258.56 616.67 T 1 F -( method,) 181.2 124.67 T +(,) 295.23 616.67 T 2 F -(y.__radd\050x\051) 222.45 124.67 T +(__getitem__) 301.06 616.67 T 1 F -( is called.) 295.05 124.67 T +(,) 373.66 616.67 T 2 F -(__neg__\050self\051) 99 105.67 T -(__pos__\050self\051) 99 92.67 T -(__abs__\050self\051) 99 79.67 T -(__invert__\050self\051) 99 66.67 T +(__setitem__) 379.49 616.67 T 1 F --0.14 ( Called to implement the unary arithmetic operations \050) 211.2 66.67 P +(or) 455.16 616.67 T 2 F --0.34 (-) 448.98 66.67 P +(__delitem__) 467.4 616.67 T 1 F --0.14 (,) 455.58 66.67 P +(is called.) 99 603.67 T +0 12 Q +(3.3.5) 99 578 T +(Emulating numeric types) 144 578 T +1 11 Q +(The) 99 552.67 T +(following) 118.7 552.67 T +(methods) 164.08 552.67 T +(can) 203.96 552.67 T +(be) 221.82 552.67 T +(defined) 234.8 552.67 T +(to) 270.39 552.67 T +(emulate) 281.55 552.67 T +(numeric) 318.97 552.67 T +(objects.) 357.61 552.67 T +(Methods) 394.12 552.67 T +(corresponding) 435.22 552.67 T +(to) 500.75 552.67 T +(opera-) 511.91 552.67 T +(tions) 99 539.67 T +(that) 122.6 539.67 T +(are) 141.31 539.67 T +(not) 156.95 539.67 T +(supported) 173.22 539.67 T +(by) 218.82 539.67 T +(the) 232.02 539.67 T +(particular) 247.68 539.67 T +(kind) 292.04 539.67 T +(of) 313.8 539.67 T +(number) 325.18 539.67 T +(implemented) 360.99 539.67 T +(\050e.g.,) 420.64 539.67 T +(bitwise) 445.15 539.67 T +(operations) 479.14 539.67 T +(for) 527.17 539.67 T +(non-integral numbers\051 should be left undefined.) 99 526.67 T +2 F +(__add__\050self, right\051) 99 507.67 T +(__sub__\050self, right\051) 99 494.67 T +(__mul__\050self, right\051) 99 481.67 T +(__div__\050self, right\051) 99 468.67 T +(__mod__\050self, right\051) 99 455.67 T +(__divmod__\050self, right\051) 99 442.67 T +(__pow__\050self, right\051) 99 429.67 T +(__lshift__\050self, right\051) 99 416.67 T +(__rshift__\050self, right\051) 99 403.67 T +(__and__\050self, right\051) 99 390.67 T +(__xor__\050self, right\051) 99 377.67 T +(__or__\050self, right\051) 99 364.67 T +1 F +(These) 135 351.67 T +(functions) 164.45 351.67 T +(are) 208.58 351.67 T +(called) 225.2 351.67 T +(to) 254.65 351.67 T +(implement) 266.39 351.67 T +(the) 316.64 351.67 T +(binary) 333.26 351.67 T +(arithmetic) 364.55 351.67 T +(operations) 412.34 351.67 T +(\050+,) 461.35 351.67 T +(-,) 477.15 351.67 T +(*,) 486.75 351.67 T +(/,) 498.19 351.67 T +(%,) 507.18 351.67 T +(div-) 522.28 351.67 T +(mod\050\051,) 135 338.67 T +(pow\050\051,) 168.05 338.67 T +(<<,) 200.48 338.67 T +(>>,) 219.06 338.67 T +(&,) 237.63 338.67 T +(^,) 252.36 338.67 T +(|\051.) 263.68 338.67 T +(For) 275.71 338.67 T +(instance:) 294.4 338.67 T +(to) 336.92 338.67 T +(evaluate) 348.9 338.67 T +(the) 388.97 338.67 T +(expression) 405.83 338.67 T +(x+y,) 456.29 338.67 T +(where) 479.66 338.67 T +(x) 509.95 338.67 T +(is) 518.86 338.67 T +(an) 529.61 338.67 T +(instance of a class that has an __add__ method, x.__add__\050y\051 is called.) 135 325.67 T +2 F +(__radd__\050self, left\051) 99 306.67 T +(__rsub__\050self, left\051) 99 293.67 T +(__rmul__\050self, left\051) 99 280.67 T +(__rdiv__\050self, left\051) 99 267.67 T +(__rmod__\050self, left\051) 99 254.67 T +(__rdivmod__\050self, left\051) 99 241.67 T +(__rpow__\050self, left\051) 99 228.67 T +(__rlshift__\050self, left\051) 99 215.67 T +(__rrshift__\050self, left\051) 99 202.67 T +(__rand__\050self, left\051) 99 189.67 T +(__rxor__\050self, left\051) 99 176.67 T +(__ror__\050self, left\051) 99 163.67 T +1 F +(These) 232.45 163.67 T +(functions) 260.17 163.67 T +(are) 302.56 163.67 T +(called) 317.44 163.67 T +(to) 345.16 163.67 T +(implement) 355.17 163.67 T +(the) 403.67 163.67 T +(binary) 418.56 163.67 T +(arithmetic) 448.12 163.67 T +(operations) 494.17 163.67 T +(\050) 135 150.67 T +2 F +(+) 138.66 150.67 T +1 F +(,) 145.26 150.67 T +2 F +(-) 150.26 150.67 T +1 F +(,) 156.86 150.67 T +2 F +(*) 161.85 150.67 T +1 F +(,) 168.46 150.67 T +2 F +(/) 173.45 150.67 T +1 F +(,) 180.05 150.67 T +2 F +(%) 185.05 150.67 T +1 F +(,) 191.65 150.67 T +2 F +(divmod\050\051) 196.64 150.67 T +1 F +(,) 249.44 150.67 T +2 F +(pow\050\051) 254.44 150.67 T +1 F +(,) 287.44 150.67 T +2 F +(<<) 292.44 150.67 T +1 F +(,) 305.64 150.67 T +2 F +(>>) 310.63 150.67 T +1 F +(,) 323.83 150.67 T +2 F +(&) 328.83 150.67 T +1 F +(,) 335.43 150.67 T +2 F +(^) 340.42 150.67 T +1 F +(,) 347.02 150.67 T +2 F +(|) 352.02 150.67 T +1 F +(\051) 358.62 150.67 T +(with) 364.53 150.67 T +(reversed) 386.33 150.67 T +(operands.) 425.84 150.67 T +(These) 470.54 150.67 T +(functions) 499.06 150.67 T +(are) 135 137.67 T +(only) 150.8 137.67 T +(called) 172.73 137.67 T +(if) 201.37 137.67 T +(the) 210.47 137.67 T +(left) 226.28 137.67 T +(operand) 243.32 137.67 T +(does) 281.12 137.67 T +(not) 303.65 137.67 T +(support) 320.08 137.67 T +(the) 355.46 137.67 T +(corresponding) 371.27 137.67 T +(operation.) 436.57 137.67 T +(For) 483.24 137.67 T +(instance:) 500.89 137.67 T +(to) 135 124.67 T +(evaluate) 148.02 124.67 T +(the) 189.14 124.67 T +(expression) 207.05 124.67 T +(x+y,) 258.56 124.67 T +(where) 282.98 124.67 T +(x) 314.32 124.67 T +(is) 324.28 124.67 T +(an) 336.08 124.67 T +(instance) 350.93 124.67 T +(of) 391.44 124.67 T +(a) 405.07 124.67 T +(class) 414.42 124.67 T +(that) 440.27 124.67 T +(does) 461.23 124.67 T +(not) 485.86 124.67 T +(have) 504.38 124.67 T +(an) 529.61 124.67 T 2 F --0.34 (+) 460.93 66.67 P +(__add__) 135 111.67 T 1 F --0.14 (,) 467.53 66.67 P +( method,) 181.2 111.67 T 2 F --0.34 (abs\050\051) 472.89 66.67 P +(y.__radd\050x\051) 222.45 111.67 T 1 F --0.14 ( and) 505.89 66.67 P +( is called.) 295.05 111.67 T 2 F --0.34 (~) 526.99 66.67 P -1 F --0.14 (\051.) 533.59 66.67 P -0 0 0 1 0 0 0 K +(__neg__\050self\051) 99 92.67 T +(__pos__\050self\051) 99 79.67 T +(__abs__\050self\051) 99 66.67 T FMENDPAGE %%EndPage: "21" 27 %%Page: "22" 28 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (22) 76.5 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 11 Q -(__int__\050self\051) 76.5 712.67 T -(__long__\050self\051) 76.5 699.67 T -(__float__\050self\051) 76.5 686.67 T -1 F --0.34 ( Called to implement the built-in functions) 182.1 686.67 P -2 F --0.82 (int\050\051) 370.09 686.67 P -1 F --0.34 (,) 403.09 686.67 P -2 F --0.82 (long\050\051) 408.25 686.67 P -1 F --0.34 ( and) 447.85 686.67 P -2 F --0.82 (float\050\051) 468.55 686.67 P -1 F --0.34 (.) 514.75 686.67 P -(Should return a value of the appropriate type.) 112.5 673.67 T -2 F -(__oct__\050self\051) 76.5 654.67 T -(__hex__\050self\051) 76.5 641.67 T +(__invert__\050self\051) 76.5 712.67 T 1 F --0.21 ( Called to implement the built-in functions) 168.9 641.67 P +(Called) 191.31 712.67 T +(to) 222.63 712.67 T +(implement) 233.8 712.67 T +(the) 283.46 712.67 T +(unary) 299.51 712.67 T +(arithmetic) 327.17 712.67 T +(operations) 374.38 712.67 T +(\050) 422.81 712.67 T 2 F --0.5 (oct\050\051) 357.82 641.67 P +(-) 426.48 712.67 T 1 F --0.21 ( and) 390.82 641.67 P +(,) 433.08 712.67 T 2 F --0.5 (hex\050\051) 411.79 641.67 P +(+) 438.43 712.67 T 1 F --0.21 (. Should return a) 444.79 641.67 P -(string value.) 112.5 628.67 T +(,) 445.03 712.67 T 2 F -(__coerce__\050self, other\051) 76.5 609.67 T +(abs\050\051) 450.39 712.67 T 1 F -0.3 (Called to implement \322mixed-mode\323 numeric arithmetic. Should) 234.9 609.67 P --0.34 (either return a 2-tuple containing) 112.5 596.67 P +(and) 486 712.67 T 2 F --0.82 (self) 258.34 596.67 P +(~) 504.49 712.67 T 1 F --0.34 ( and) 284.74 596.67 P +(\051.) 511.09 712.67 T 2 F --0.82 (other) 305.43 596.67 P +(__int__\050self\051) 76.5 693.67 T +(__long__\050self\051) 76.5 680.67 T +(__float__\050self\051) 76.5 667.67 T 1 F --0.34 ( converted to a common numeric type, or) 338.43 596.67 P +(Called) 184.51 667.67 T +(to) 215.64 667.67 T +(implement) 226.61 667.67 T +(the) 276.08 667.67 T +(built-in) 291.93 667.67 T +(functions) 326.73 667.67 T 2 F -0.6 (None) 112.5 583.67 P +(int\050\051) 370.09 667.67 T 1 F -0.25 ( if no conversion is possible. When the common type would be the type of) 138.9 583.67 P +(,) 403.09 667.67 T 2 F -0.6 (other) 472.63 583.67 P -1 F -0.25 (, it) 505.63 583.67 P -0.46 (is sufficient to return) 112.5 570.67 P -2 F -1.11 (None) 209.06 570.67 P -1 F -0.46 (, since the interpreter will also ask the other object to attempt a) 235.46 570.67 P --0.39 (coercion \050but sometimes, if the implementation of the other type cannot be changed, it is use-) 112.5 557.67 P -(ful to do the conversion to the other type here\051.) 112.5 544.67 T +(long\050\051) 408.25 667.67 T +1 F +(and) 450.26 667.67 T +2 F +(float\050\051) 468.55 667.67 T +1 F +(.) 514.75 667.67 T +(Should return a value of the appropriate type.) 112.5 654.67 T +2 F +(__oct__\050self\051) 76.5 635.67 T +(__hex__\050self\051) 76.5 622.67 T +1 F +(Called) 171.44 622.67 T +(to) 202.71 622.67 T +(implement) 213.81 622.67 T +(the) 263.41 622.67 T +(built-in) 279.4 622.67 T +(functions) 314.34 622.67 T +2 F +(oct\050\051) 357.82 622.67 T +1 F +(and) 393.36 622.67 T +2 F +(hex\050\051) 411.79 622.67 T +1 F +(.) 444.79 622.67 T +(Should) 450.09 622.67 T +(return) 483.8 622.67 T +(a) 512.62 622.67 T +(string value.) 112.5 609.67 T +2 F +(__coerce__\050self, other\051) 76.5 590.67 T +1 F +(Called) 234.9 590.67 T +(to) 266.67 590.67 T +(implement) 278.28 590.67 T +(\322mixed-mode\323) 328.39 590.67 T +(numeric) 396.82 590.67 T +(arithmetic.) 435.92 590.67 T +(Should) 486.33 590.67 T +(either) 112.5 577.67 T +(return) 139.95 577.67 T +(a) 168.63 577.67 T +(2-tuple) 175.92 577.67 T +(containing) 209.49 577.67 T +2 F +(self) 258.34 577.67 T +1 F +(and) 287.14 577.67 T +2 F +(other) 305.43 577.67 T +1 F +(converted) 340.84 577.67 T +(to) 386.62 577.67 T +(a) 397.59 577.67 T +(common) 404.88 577.67 T +(numeric) 445.78 577.67 T +(type,) 484.24 577.67 T +(or) 508.34 577.67 T +2 F +(None) 112.5 564.67 T +1 F +(if) 141.9 564.67 T +(no) 151.62 564.67 T +(conversion) 165.62 564.67 T +(is) 216.89 564.67 T +(possible.) 227.23 564.67 T +(When) 269.04 564.67 T +(the) 298.31 564.67 T +(common) 314.75 564.67 T +(type) 356.25 564.67 T +(would) 378.2 564.67 T +(be) 408.7 564.67 T +(the) 422.08 564.67 T +(type) 438.52 564.67 T +(of) 460.47 564.67 T +2 F +(other) 472.63 564.67 T +1 F +(,) 505.63 564.67 T +(it) 511.38 564.67 T +(is) 112.5 551.67 T +(sufficient) 123.05 551.67 T +(to) 167.81 551.67 T +(return) 179.58 551.67 T +2 F +(None) 209.06 551.67 T +1 F +(,) 235.46 551.67 T +(since) 241.42 551.67 T +(the) 267.24 551.67 T +(interpreter) 283.9 551.67 T +(will) 332.92 551.67 T +(also) 353.25 551.67 T +(ask) 374.19 551.67 T +(the) 392.06 551.67 T +(other) 408.72 551.67 T +(object) 434.54 551.67 T +(to) 464.63 551.67 T +(attempt) 476.4 551.67 T +(a) 512.62 551.67 T +(coercion) 112.5 538.67 T +(\050but) 152.73 538.67 T +(sometimes,) 172.8 538.67 T +(if) 224.97 538.67 T +(the) 234.04 538.67 T +(implementation) 249.84 538.67 T +(of) 321.26 538.67 T +(the) 332.77 538.67 T +(other) 348.57 538.67 T +(type) 373.53 538.67 T +(cannot) 394.83 538.67 T +(be) 426.51 538.67 T +(changed,) 439.25 538.67 T +(it) 481.01 538.67 T +(is) 489.48 538.67 T +(use-) 499.17 538.67 T +(ful to do the conversion to the other type here\051.) 112.5 525.67 T 4 F -1.86 (Coercion rules) 112.5 527.67 P +(Coercion) 112.5 508.67 T +(rules) 159.88 508.67 T 1 F -1.86 (: to evaluate x) 183.1 527.67 P +(:) 183.1 508.67 T +(to) 190.76 508.67 T +(evaluate) 203.93 508.67 T +(x) 245.18 508.67 T 3 F -1.86 (op) 255.29 527.67 P +(op) 255.29 508.67 T 1 F -1.86 ( y, the following steps are taken \050where) 266.29 527.67 P +(y,) 270.9 508.67 T +(the) 283.75 508.67 T +(following) 301.8 508.67 T +(steps) 349.19 508.67 T +(are) 375.8 508.67 T +(taken) 393.83 508.67 T +(\050where) 422.27 508.67 T 2 F -4.46 (__op__) 457.41 527.67 P +(__op__) 457.41 508.67 T 1 F -1.86 ( and) 497.01 527.67 P +(and) 501.62 508.67 T 2 F -4.69 (__rop__) 112.5 514.67 P +(__rop__) 112.5 495.67 T 1 F -1.96 ( are the method names corresponding to) 158.7 514.67 P +(are) 163.41 495.67 T +(the) 181.54 495.67 T +(method) 199.69 495.67 T +(names) 237.4 495.67 T +(corresponding) 270.21 495.67 T +(to) 337.84 495.67 T 3 F -1.96 (op) 351.11 514.67 P +(op) 351.11 495.67 T 1 F -1.96 (, e.g. if) 362.11 514.67 P +(,) 362.11 495.67 T +(e.g.) 369.56 495.67 T +(if) 390.15 495.67 T 3 F -1.96 (op) 401.58 514.67 P -1 F -1.96 ( is \324) 412.58 514.67 P -2 F -4.69 (+) 432.99 514.67 P -1 F -1.96 (\325,) 439.59 514.67 P -2 F -4.69 (__add__) 450.71 514.67 P -1 F -1.96 ( and) 496.91 514.67 P -2 F -0.89 (__radd__) 112.5 501.67 P -1 F -0.37 ( are used\051. If an exception occurs at any point, the evaluation is abandoned and) 165.3 501.67 P -(exception handling takes over.) 112.5 488.67 T -(0.) 112.5 469.67 T -0.31 (If x is a string object and) 130.5 469.67 P +(op) 401.58 495.67 T +1 F +(is) 417.29 495.67 T +(\324) 429.33 495.67 T +2 F +(+) 432.99 495.67 T +1 F +(\325,) 439.59 495.67 T +2 F +(__add__) 450.71 495.67 T +1 F +(and) 501.62 495.67 T +2 F +(__radd__) 112.5 482.67 T +1 F +(are) 168.42 482.67 T +(used\051.) 184.97 482.67 T +(If) 214.66 482.67 T +(an) 225.11 482.67 T +(exception) 238.61 482.67 T +(occurs) 284.5 482.67 T +(at) 316.33 482.67 T +(any) 327.39 482.67 T +(point,) 346.4 482.67 T +(the) 374.88 482.67 T +(evaluation) 391.44 482.67 T +(is) 440.39 482.67 T +(abandoned) 450.84 482.67 T +(and) 501.62 482.67 T +(exception handling takes over.) 112.5 469.67 T +(0.) 112.5 450.67 T +(If) 130.5 450.67 T +(x) 140.88 450.67 T +(is) 149.44 450.67 T +(a) 159.84 450.67 T +(string) 167.78 450.67 T +(object) 195.89 450.67 T +(and) 225.83 450.67 T 3 F -0.31 (op) 244.77 469.67 P -1 F -0.31 ( is the modulo operator \050) 255.77 469.67 P -2 F -0.74 (%) 365.77 469.67 P -1 F -0.31 (\051, the string formatting operation) 372.37 469.67 P -(\050see [Ref:XXX]\051 is invoked and the remaining steps are skipped.) 130.5 456.67 T -(1.) 112.5 437.67 T -(If x is a class instance:) 130.5 437.67 T -(1a.) 130.5 418.67 T -0.54 (If x has a) 166.5 418.67 P -2 F -1.3 (__coerce__) 212.05 418.67 P -1 F -0.54 ( method: replace x and y with the 2-tuple returned by) 278.05 418.67 P -2 F -(x.__coerce__\050y\051) 166.5 405.67 T -1 F -(; skip to step 2 if the coercion returns) 265.5 405.67 T -2 F -(None) 432.01 405.67 T -1 F -(.) 458.41 405.67 T -(1b.) 130.5 386.67 T -(If neither x nor y is a class instance after coercion, go to step 3.) 166.5 386.67 T -(1c.) 130.5 367.67 T --0.41 (If x has a method) 166.5 367.67 P -2 F --0.98 (__op__) 243.59 367.67 P -1 F --0.41 (, return) 283.19 367.67 P -2 F --0.98 (x.__op__\050y\051) 316.89 367.67 P -1 F --0.41 (; otherwise, restore x and y to) 389.49 367.67 P -(their value before step 1a.) 166.5 354.67 T -(2.) 112.5 335.67 T -(If y is a class instance:) 130.5 335.67 T -(2a.) 130.5 316.67 T -0.54 (If y has a) 166.5 316.67 P -2 F -1.3 (__coerce__) 212.05 316.67 P -1 F -0.54 ( method: replace y and x with the 2-tuple returned by) 278.05 316.67 P -2 F -(y.__coerce__\050x\051) 166.5 303.67 T -1 F -(; skip to step 3 if the coercion returns None.) 265.5 303.67 T -(2b.) 130.5 284.67 T -(If neither x nor y is a class instance after coercion, go to step 3.) 166.5 284.67 T +(op) 244.77 450.67 T +1 F +(is) 258.83 450.67 T +(the) 269.23 450.67 T +(modulo) 285.72 450.67 T +(operator) 322.4 450.67 T +(\050) 362.11 450.67 T +2 F +(%) 365.77 450.67 T +1 F +(\051,) 372.37 450.67 T +(the) 381.84 450.67 T +(string) 398.34 450.67 T +(formatting) 426.45 450.67 T +(operation) 475.95 450.67 T +(\050see [Ref:XXX]\051 is invoked and the remaining steps are skipped.) 130.5 437.67 T +(1.) 112.5 418.67 T +(If x is a class instance:) 130.5 418.67 T +(1a.) 130.5 399.67 T +(If) 166.5 399.67 T +(x) 177.12 399.67 T +(has) 185.91 399.67 T +(a) 203.87 399.67 T +2 F +(__coerce__) 212.05 399.67 T +1 F +(method:) 281.34 399.67 T +(replace) 320.69 399.67 T +(x) 355.74 399.67 T +(and) 364.54 399.67 T +(y) 383.72 399.67 T +(with) 392.51 399.67 T +(the) 415.36 399.67 T +(2-tuple) 432.1 399.67 T +(returned) 466.55 399.67 T +(by) 506.5 399.67 T +2 F +(x.__coerce__\050y\051) 166.5 386.67 T +1 F +(; skip to step 2 if the coercion returns) 265.5 386.67 T +2 F +(None) 432.01 386.67 T +1 F +(.) 458.41 386.67 T +(1b.) 130.5 367.67 T +(If neither x nor y is a class instance after coercion, go to step 3.) 166.5 367.67 T +(1c.) 130.5 348.67 T +(If) 166.5 348.67 T +(x) 176.17 348.67 T +(has) 184.01 348.67 T +(a) 201.02 348.67 T +(method) 208.24 348.67 T +2 F +(__op__) 243.59 348.67 T +1 F +(,) 283.19 348.67 T +(return) 288.28 348.67 T +2 F +(x.__op__\050y\051) 316.89 348.67 T +1 F +(;) 389.49 348.67 T +(otherwise,) 394.89 348.67 T +(restore) 442.76 348.67 T +(x) 475.03 348.67 T +(and) 482.87 348.67 T +(y) 501.1 348.67 T +(to) 508.94 348.67 T +(their value before step 1a.) 166.5 335.67 T +(2.) 112.5 316.67 T +(If y is a class instance:) 130.5 316.67 T +(2a.) 130.5 297.67 T +(If) 166.5 297.67 T +(y) 177.12 297.67 T +(has) 185.91 297.67 T +(a) 203.87 297.67 T +2 F +(__coerce__) 212.05 297.67 T +1 F +(method:) 281.34 297.67 T +(replace) 320.69 297.67 T +(y) 355.74 297.67 T +(and) 364.54 297.67 T +(x) 383.72 297.67 T +(with) 392.51 297.67 T +(the) 415.36 297.67 T +(2-tuple) 432.1 297.67 T +(returned) 466.55 297.67 T +(by) 506.5 297.67 T +2 F +(y.__coerce__\050x\051) 166.5 284.67 T +1 F +(; skip to step 3 if the coercion returns None.) 265.5 284.67 T (2b.) 130.5 265.67 T -0.1 (If y has a method) 166.5 265.67 P -2 F -0.23 (__rop__) 246.11 265.67 P -1 F -0.1 (, return) 292.31 265.67 P -2 F -0.23 (y.__rop__\050x\051) 327.02 265.67 P -1 F -0.1 (; otherwise, restore x and) 406.22 265.67 P -(y to their value before step 2a.) 166.5 252.67 T -(3.) 112.5 233.67 T -(We only get here if neither x nor y is a class instance.) 130.5 233.67 T -(3a.) 130.5 214.67 T -(If) 166.5 214.67 T +(If neither x nor y is a class instance after coercion, go to step 3.) 166.5 265.67 T +(2b.) 130.5 246.67 T +(If) 166.5 246.67 T +(y) 176.67 246.67 T +(has) 185.02 246.67 T +(a) 202.53 246.67 T +(method) 210.26 246.67 T +2 F +(__rop__) 246.11 246.67 T +1 F +(,) 292.31 246.67 T +(return) 297.9 246.67 T +2 F +(y.__rop__\050x\051) 327.02 246.67 T +1 F +(;) 406.22 246.67 T +(otherwise,) 412.12 246.67 T +(restore) 460.49 246.67 T +(x) 493.27 246.67 T +(and) 501.62 246.67 T +(y to their value before step 2a.) 166.5 233.67 T +(3.) 112.5 214.67 T +(We only get here if neither x nor y is a class instance.) 130.5 214.67 T +(3a.) 130.5 195.67 T +(If) 166.5 195.67 T 3 F -(op) 176.58 214.67 T +(op) 176.58 195.67 T 1 F -( is \324) 187.58 214.67 T +( is \324) 187.58 195.67 T 2 F -(+) 204.08 214.67 T +(+) 204.08 195.67 T 1 F -(\325 and x is a sequence, sequence concatenation is invoked.) 210.68 214.67 T -(3b.) 130.5 195.67 T --0.37 (If) 166.5 195.67 P +(\325 and x is a sequence, sequence concatenation is invoked.) 210.68 195.67 T +(3b.) 130.5 176.67 T +(If) 166.5 176.67 T 3 F --0.37 (op) 176.2 195.67 P -1 F --0.37 ( is \324) 187.2 195.67 P -2 F --0.89 (*) 202.96 195.67 P -1 F --0.37 (\325 and one operand is a sequence and the other an integer, sequence rep-) 209.56 195.67 P -(etition is invoked.) 166.5 182.67 T -(3c.) 130.5 163.67 T -0.05 (Otherwise, both operands must be numbers; they are coerced to a common type) 166.5 163.67 P -(if possible, and the numeric operation is invoked for that type.) 166.5 150.67 T -0 0 0 1 0 0 0 K +(op) 176.2 176.67 T +1 F +(is) 189.58 176.67 T +(\324) 199.29 176.67 T +2 F +(*) 202.96 176.67 T +1 F +(\325) 209.56 176.67 T +(and) 215.6 176.67 T +(one) 233.86 176.67 T +(operand) 252.12 176.67 T +(is) 289.93 176.67 T +(a) 299.64 176.67 T +(sequence) 306.91 176.67 T +(and) 349.6 176.67 T +(the) 367.86 176.67 T +(other) 383.68 176.67 T +(an) 408.66 176.67 T +(integer,) 421.42 176.67 T +(sequence) 457.1 176.67 T +(rep-) 499.79 176.67 T +(etition is invoked.) 166.5 163.67 T +(3c.) 130.5 144.67 T +(Otherwise,) 166.5 144.67 T +(both) 217.26 144.67 T +(operands) 239.62 144.67 T +(must) 282.13 144.67 T +(be) 306.32 144.67 T +(numbers;) 319.51 144.67 T +(they) 363.25 144.67 T +(are) 384.99 144.67 T +(coerced) 401.22 144.67 T +(to) 438.22 144.67 T +(a) 449.58 144.67 T +(common) 457.26 144.67 T +(type) 498.56 144.67 T +(if possible, and the numeric operation is invoked for that type.) 166.5 131.67 T FMENDPAGE %%EndPage: "22" 28 %%Page: "23" 29 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (23) 530 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 585 292.5 598.5 720 R 5 9 Q -(\245) 0 -90 592.5 720 TF -(Execution model) 0 -90 592.5 711 TF +(\245) 0 270 592.5 720 TF +(Execution model) 0 270 592.5 711 TF 585 292.5 598.5 720 R -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 16 Q (C) 99 709.33 T 0 12.8 Q @@ -7509,497 +14812,1591 @@ FrameNoSep (4.1) 99 670.67 T (Code blocks, execution frames, and name spaces) 135 670.67 T 1 11 Q -0.53 (A) 99 645.67 P +(A) 99 645.67 T 3 F -0.53 (code block) 110.22 645.67 P -1 F -0.53 ( is a piece of Python program text that can be executed as a unit, such as a module, a) 158.1 645.67 P -1.1 (class definition or a function body. Some code blocks \050like modules\051 are normally executed only) 99 632.67 P -0.12 (once, others \050like function bodies\051 may be executed many times. Code blocks may textually contain) 99 619.67 P --0.19 (other code blocks. Code blocks may invoke other code blocks \050that may or may not be textually con-) 99 606.67 P +(code) 110.22 645.67 T +(block) 134.27 645.67 T +1 F +(is) 161.38 645.67 T +(a) 172 645.67 T +(piece) 180.17 645.67 T +(of) 206.66 645.67 T +(Python) 219.1 645.67 T +(program) 253.56 645.67 T +(text) 294.11 645.67 T +(that) 313.89 645.67 T +(can) 333.67 645.67 T +(be) 352.23 645.67 T +(executed) 365.89 645.67 T +(as) 408.27 645.67 T +(a) 420.71 645.67 T +(unit,) 428.88 645.67 T +(such) 452.03 645.67 T +(as) 475.47 645.67 T +(a) 487.92 645.67 T +(module,) 496.08 645.67 T +(a) 535.12 645.67 T +(class) 99 632.67 T +(definition) 124.24 632.67 T +(or) 170.87 632.67 T +(a) 183.88 632.67 T +(function) 192.62 632.67 T +(body.) 233.13 632.67 T +(Some) 261.73 632.67 T +(code) 290.64 632.67 T +(blocks) 315.26 632.67 T +(\050like) 347.83 632.67 T +(modules\051) 371.85 632.67 T +(are) 416.64 632.67 T +(normally) 433.92 632.67 T +(executed) 477.5 632.67 T +(only) 520.44 632.67 T +(once,) 99 619.67 T +(others) 125.39 619.67 T +(\050like) 155.14 619.67 T +(function) 178.17 619.67 T +(bodies\051) 217.71 619.67 T +(may) 252.96 619.67 T +(be) 274.77 619.67 T +(executed) 288.02 619.67 T +(many) 329.99 619.67 T +(times.) 357.3 619.67 T +(Code) 386.75 619.67 T +(blocks) 412.85 619.67 T +(may) 444.43 619.67 T +(textually) 466.25 619.67 T +(contain) 507.62 619.67 T +(other) 99 606.67 T +(code) 124.17 606.67 T +(blocks.) 147.49 606.67 T +(Code) 181.53 606.67 T +(blocks) 207.31 606.67 T +(may) 238.59 606.67 T +(invoke) 260.09 606.67 T +(other) 292.6 606.67 T +(code) 317.76 606.67 T +(blocks) 341.09 606.67 T +(\050that) 372.37 606.67 T +(may) 395.1 606.67 T +(or) 416.6 606.67 T +(may) 428.33 606.67 T +(not) 449.83 606.67 T +(be) 466.45 606.67 T +(textually) 479.39 606.67 T +(con-) 520.45 606.67 T (tained in them\051 as part of their execution, e.g. by invoking \050calling\051 a function.) 99 593.67 T -0.3 (The following are code blocks: A module is a code block. A function body is a code block. A class) 99 568.67 P --0.15 (definition is a code block. Each command typed interactively is a separate code block; a script file \050a) 99 555.67 P --0.24 (file given as standard input to the interpreter or specified on the interpreter command line the first ar-) 99 542.67 P -0.41 0.02 (gument\051 is a code block; a script command \050a command specified on the interpreter command line) 99 529.67 B --0.24 (with the \324) 99 516.67 P +(The) 99 568.67 T +(following) 119.15 568.67 T +(are) 164.98 568.67 T +(code) 181.46 568.67 T +(blocks:) 205.27 568.67 T +(A) 240.1 568.67 T +(module) 251.09 568.67 T +(is) 287.14 568.67 T +(a) 297.52 568.67 T +(code) 305.45 568.67 T +(block.) 329.27 568.67 T +(A) 359.51 568.67 T +(function) 370.5 568.67 T +(body) 410.21 568.67 T +(is) 435.26 568.67 T +(a) 445.64 568.67 T +(code) 453.57 568.67 T +(block.) 477.39 568.67 T +(A) 507.63 568.67 T +(class) 518.61 568.67 T +(definition) 99 555.67 T +(is) 144.38 555.67 T +(a) 154.31 555.67 T +(code) 161.79 555.67 T +(block.) 185.16 555.67 T +(Each) 214.95 555.67 T +(command) 239.54 555.67 T +(typed) 285.52 555.67 T +(interactively) 312.56 555.67 T +(is) 370.15 555.67 T +(a) 380.09 555.67 T +(separate) 387.57 555.67 T +(code) 426.2 555.67 T +(block;) 449.57 555.67 T +(a) 479.67 555.67 T +(script) 487.15 555.67 T +(file) 514.19 555.67 T +(\050a) 531.45 555.67 T +(file) 99 542.67 T +(given) 116.17 542.67 T +(as) 143.12 542.67 T +(standard) 154.79 542.67 T +(input) 194.57 542.67 T +(to) 219.7 542.67 T +(the) 230.76 542.67 T +(interpreter) 246.71 542.67 T +(or) 295.04 542.67 T +(specified) 306.71 542.67 T +(on) 348.93 542.67 T +(the) 362.43 542.67 T +(interpreter) 378.39 542.67 T +(command) 426.71 542.67 T +(line) 472.6 542.67 T +(the) 491.61 542.67 T +(first) 507.56 542.67 T +(ar-) 527.79 542.67 T +(g) 99 529.67 T +(u) 104.52 529.67 T +(m) 110.04 529.67 T +(e) 118.62 529.67 T +(n) 123.52 529.67 T +(t) 129.04 529.67 T +(\051) 132.12 529.67 T +(i) 138.99 529.67 T +(s) 142.07 529.67 T +(a) 149.55 529.67 T +(c) 157.64 529.67 T +(o) 162.54 529.67 T +(d) 168.06 529.67 T +(e) 173.58 529.67 T +(b) 181.67 529.67 T +(l) 187.19 529.67 T +(o) 190.27 529.67 T +(c) 195.79 529.67 T +(k) 200.69 529.67 T +(;) 206.21 529.67 T +(a) 212.48 529.67 T +(s) 220.56 529.67 T +(c) 224.86 529.67 T +(r) 229.77 529.67 T +(i) 233.45 529.67 T +(p) 236.53 529.67 T +(t) 242.05 529.67 T +(c) 248.31 529.67 T +(o) 253.21 529.67 T +(m) 258.73 529.67 T +(m) 267.31 529.67 T +(a) 275.89 529.67 T +(n) 280.8 529.67 T +(d) 286.32 529.67 T +(\050) 295.02 529.67 T +(a) 298.7 529.67 T +(c) 306.79 529.67 T +(o) 311.69 529.67 T +(m) 317.21 529.67 T +(m) 325.79 529.67 T +(a) 334.37 529.67 T +(n) 339.28 529.67 T +(d) 344.8 529.67 T +(s) 353.5 529.67 T +(p) 357.8 529.67 T +(e) 363.32 529.67 T +(c) 368.22 529.67 T +(i) 373.13 529.67 T +(f) 376.21 529.67 T +(i) 379.89 529.67 T +(e) 382.97 529.67 T +(d) 387.87 529.67 T +(o) 396.58 529.67 T +(n) 402.1 529.67 T +(t) 410.8 529.67 T +(h) 413.88 529.67 T +(e) 419.4 529.67 T +(i) 427.49 529.67 T +(n) 430.56 529.67 T +(t) 436.08 529.67 T +(e) 439.16 529.67 T +(r) 444.07 529.67 T +(p) 447.75 529.67 T +(r) 453.27 529.67 T +(e) 456.95 529.67 T +(t) 461.86 529.67 T +(e) 464.94 529.67 T +(r) 469.84 529.67 T +(c) 476.71 529.67 T +(o) 481.61 529.67 T +(m) 487.13 529.67 T +(m) 495.71 529.67 T +(a) 504.29 529.67 T +(n) 509.2 529.67 T +(d) 514.72 529.67 T +(l) 523.42 529.67 T +(i) 526.5 529.67 T +(n) 529.58 529.67 T +(e) 535.09 529.67 T +(with) 99 516.67 T +(the) 121.07 516.67 T +(\324) 137.03 516.67 T 4 F --0.24 (-c) 140.69 516.67 P -1 F --0.24 (\325 option\051 is a code block. The string argument passed to the built-in function) 149.24 516.67 P -2 F --0.57 (eval) 484.13 516.67 P -1 F --0.24 ( and to) 510.53 516.67 P -0.41 0.14 (the) 99 503.67 B -2 F -0.99 0.14 (exec) 116.15 503.67 B -1 F -0.41 0.14 ( statement are code blocks. The file read by the built-in function) 143.09 503.67 B -2 F -0.99 0.14 (execfile) 442.15 503.67 B -1 F -0.41 0.14 ( is a code) 496.03 503.67 B --0.3 (block. And finally, the expression read and evaluated by the built-in function) 99 490.67 P -2 F --0.71 (input) 437 490.67 P -1 F --0.3 ( is a code block.) 470 490.67 P --0.42 (A code block is executed in an execution frame. An) 99 477.67 P +(-c) 140.69 516.67 T +1 F +(\325) 149.24 516.67 T +(option\051) 155.41 516.67 T +(is) 189.7 516.67 T +(a) 199.55 516.67 T +(code) 206.95 516.67 T +(block.) 230.23 516.67 T +(The) 259.94 516.67 T +(string) 279.55 516.67 T +(argument) 307.12 516.67 T +(passed) 351.18 516.67 T +(to) 383.02 516.67 T +(the) 394.09 516.67 T +(built-in) 410.05 516.67 T +(function) 444.96 516.67 T +2 F +(eval) 484.13 516.67 T +1 F +(and) 513.04 516.67 T +(to) 531.44 516.67 T +(t) 99 503.67 T +(h) 102.19 503.67 T +(e) 107.83 503.67 T +2 F +(e) 116.15 503.67 T +(x) 122.88 503.67 T +(e) 129.62 503.67 T +(c) 136.35 503.67 T +1 F +(s) 146.39 503.67 T +(t) 150.8 503.67 T +(a) 153.99 503.67 T +(t) 159.01 503.67 T +(e) 162.21 503.67 T +(m) 167.23 503.67 T +(e) 175.92 503.67 T +(n) 180.94 503.67 T +(t) 186.57 503.67 T +(a) 193.07 503.67 T +(r) 198.09 503.67 T +(e) 201.88 503.67 T +(c) 210.2 503.67 T +(o) 215.22 503.67 T +(d) 220.86 503.67 T +(e) 226.49 503.67 T +(b) 234.81 503.67 T +(l) 240.45 503.67 T +(o) 243.64 503.67 T +(c) 249.27 503.67 T +(k) 254.29 503.67 T +(s) 259.93 503.67 T +(.) 264.34 503.67 T +(T) 270.53 503.67 T +(h) 277.38 503.67 T +(e) 283.02 503.67 T +(f) 291.34 503.67 T +(i) 295.14 503.67 T +(l) 298.33 503.67 T +(e) 301.52 503.67 T +(r) 309.84 503.67 T +(e) 313.64 503.67 T +(a) 318.66 503.67 T +(d) 323.68 503.67 T +(b) 332.61 503.67 T +(y) 338.25 503.67 T +(t) 347.18 503.67 T +(h) 350.37 503.67 T +(e) 356.01 503.67 T +(b) 364.33 503.67 T +(u) 369.96 503.67 T +(i) 375.6 503.67 T +(l) 378.79 503.67 T +(t) 381.98 503.67 T +(-) 385.18 503.67 T +(i) 388.98 503.67 T +(n) 392.17 503.67 T +(f) 401.1 503.67 T +(u) 404.9 503.67 T +(n) 410.54 503.67 T +(c) 416.17 503.67 T +(t) 421.19 503.67 T +(i) 424.39 503.67 T +(o) 427.58 503.67 T +(n) 433.21 503.67 T +2 F +(e) 442.15 503.67 T +(x) 448.88 503.67 T +(e) 455.62 503.67 T +(c) 462.36 503.67 T +(f) 469.09 503.67 T +(i) 475.83 503.67 T +(l) 482.56 503.67 T +(e) 489.3 503.67 T +1 F +(i) 499.33 503.67 T +(s) 502.52 503.67 T +(a) 510.24 503.67 T +(c) 518.55 503.67 T +(o) 523.57 503.67 T +(d) 529.21 503.67 T +(e) 534.84 503.67 T +(block.) 99 490.67 T +(And) 128.65 490.67 T +(finally,) 150.04 490.67 T +(the) 183.97 490.67 T +(expression) 199.86 490.67 T +(read) 249.36 490.67 T +(and) 270.75 490.67 T +(evaluated) 289.08 490.67 T +(by) 333.69 490.67 T +(the) 347.14 490.67 T +(built-in) 363.04 490.67 T +(function) 397.89 490.67 T +2 F +(input) 437 490.67 T +1 F +(is) 472.46 490.67 T +(a) 482.25 490.67 T +(code) 489.59 490.67 T +(block.) 512.81 490.67 T +(A) 99 477.67 T +(code) 109.28 477.67 T +(block) 132.38 477.67 T +(is) 159.15 477.67 T +(executed) 168.82 477.67 T +(in) 210.25 477.67 T +(an) 221.14 477.67 T +(execution) 233.86 477.67 T +(frame.) 278.96 477.67 T +(An) 309.7 477.67 T 3 F --0.42 (execution frame) 325.47 477.67 P -1 F --0.42 ( contains some administrative in-) 395.62 477.67 P -0.41 0.23 (formation \050used for debugging\051, determines where and how execution continues after the code) 99 464.67 B --0.13 (block\325s execution has completed, and \050perhaps most importantly\051 defines two name spaces, the local) 99 451.67 P +(execution) 325.47 477.67 T +(frame) 369.96 477.67 T +1 F +(contains) 397.95 477.67 T +(some) 436.95 477.67 T +(administrative) 462.5 477.67 T +(in-) 527.78 477.67 T +(f) 99 464.67 T +(o) 102.89 464.67 T +(r) 108.63 464.67 T +(m) 112.52 464.67 T +(a) 121.31 464.67 T +(t) 126.43 464.67 T +(i) 129.72 464.67 T +(o) 133.01 464.67 T +(n) 138.74 464.67 T +(\050) 147.87 464.67 T +(u) 151.76 464.67 T +(s) 157.5 464.67 T +(e) 162.01 464.67 T +(d) 167.12 464.67 T +(f) 176.25 464.67 T +(o) 180.15 464.67 T +(r) 185.88 464.67 T +(d) 193.17 464.67 T +(e) 198.9 464.67 T +(b) 204.02 464.67 T +(u) 209.75 464.67 T +(g) 215.48 464.67 T +(g) 221.21 464.67 T +(i) 226.95 464.67 T +(n) 230.24 464.67 T +(g) 235.97 464.67 T +(\051) 241.7 464.67 T +(,) 245.6 464.67 T +(d) 251.97 464.67 T +(e) 257.7 464.67 T +(t) 262.82 464.67 T +(e) 266.11 464.67 T +(r) 271.23 464.67 T +(m) 275.12 464.67 T +(i) 283.91 464.67 T +(n) 287.2 464.67 T +(e) 292.93 464.67 T +(s) 298.05 464.67 T +(w) 305.96 464.67 T +(h) 314.13 464.67 T +(e) 319.86 464.67 T +(r) 324.98 464.67 T +(e) 328.87 464.67 T +(a) 337.39 464.67 T +(n) 342.5 464.67 T +(d) 348.23 464.67 T +(h) 357.36 464.67 T +(o) 363.09 464.67 T +(w) 368.83 464.67 T +(e) 380.39 464.67 T +(x) 385.51 464.67 T +(e) 391.24 464.67 T +(c) 396.36 464.67 T +(u) 401.47 464.67 T +(t) 407.21 464.67 T +(i) 410.5 464.67 T +(o) 413.79 464.67 T +(n) 419.52 464.67 T +(c) 428.65 464.67 T +(o) 433.76 464.67 T +(n) 439.49 464.67 T +(t) 445.23 464.67 T +(i) 448.52 464.67 T +(n) 451.81 464.67 T +(u) 457.54 464.67 T +(e) 463.27 464.67 T +(s) 468.39 464.67 T +(a) 476.29 464.67 T +(f) 481.41 464.67 T +(t) 485.3 464.67 T +(e) 488.6 464.67 T +(r) 493.71 464.67 T +(t) 501 464.67 T +(h) 504.29 464.67 T +(e) 510.02 464.67 T +(c) 518.53 464.67 T +(o) 523.65 464.67 T +(d) 529.38 464.67 T +(e) 535.11 464.67 T +(block\325s) 99 451.67 T +(execution) 134.01 451.67 T +(has) 179.4 451.67 T +(completed,) 196.68 451.67 T +(and) 247.88 451.67 T +(\050perhaps) 266.38 451.67 T +(most) 306.88 451.67 T +(importantly\051) 330.89 451.67 T +(defines) 388.51 451.67 T +(two) 422.9 451.67 T +(name) 442.02 451.67 T +(spaces,) 468.47 451.67 T +(the) 502.55 451.67 T +(local) 518.61 451.67 T (and the global name space, that affect execution of the code block.) 99 438.67 T --0.04 (A) 99 413.67 P +(A) 99 413.67 T 3 F --0.04 (name space) 109.65 413.67 P -1 F --0.04 ( is a mapping from names \050identifiers\051 to objects. A particular name space may be ref-) 161.23 413.67 P -0.03 (erenced by more than one execution frame, and from other places as well. Adding a name to a name) 99 400.67 P --0.38 (space is called) 99 387.67 P +(name) 109.65 413.67 T +(space) 136.18 413.67 T +1 F +(is) 163.94 413.67 T +(a) 173.98 413.67 T +(mapping) 181.57 413.67 T +(from) 222.78 413.67 T +(names) 246.87 413.67 T +(\050identifiers\051) 277.68 413.67 T +(to) 332.32 413.67 T +(objects.) 343.59 413.67 T +(A) 380.21 413.67 T +(particular) 390.86 413.67 T +(name) 435.71 413.67 T +(space) 462.25 413.67 T +(may) 489.39 413.67 T +(be) 511.04 413.67 T +(ref-) 524.13 413.67 T +(erenced) 99 400.67 T +(by) 135.98 400.67 T +(more) 149.76 400.67 T +(than) 175.14 400.67 T +(one) 196.86 400.67 T +(execution) 215.52 400.67 T +(frame,) 261.07 400.67 T +(and) 292.25 400.67 T +(from) 310.91 400.67 T +(other) 335.07 400.67 T +(places) 360.45 400.67 T +(as) 390.72 400.67 T +(well.) 402.66 400.67 T +(Adding) 427.13 400.67 T +(a) 462.91 400.67 T +(name) 470.57 400.67 T +(to) 497.18 400.67 T +(a) 508.51 400.67 T +(name) 516.17 400.67 T +(space) 99 387.67 T +(is) 125.8 387.67 T +(called) 135.51 387.67 T 3 F --0.38 (binding) 164.14 387.67 P -1 F --0.38 ( a name \050to an object\051; changing the mapping of a name is called) 197.76 387.67 P +(binding) 164.14 387.67 T +1 F +(a) 200.13 387.67 T +(name) 207.38 387.67 T +(\050to) 233.57 387.67 T +(an) 248.16 387.67 T +(object\051;) 260.92 387.67 T +(changing) 296.89 387.67 T +(the) 339.58 387.67 T +(mapping) 355.39 387.67 T +(of) 396.26 387.67 T +(a) 407.8 387.67 T +(name) 415.05 387.67 T +(is) 441.24 387.67 T +(called) 450.95 387.67 T 3 F --0.38 (rebinding) 479.58 387.67 P -1 F --0.38 (; re-) 522.36 387.67 P -0.05 (moving a name is) 99 374.67 P +(rebinding) 479.58 387.67 T +1 F +(;) 522.36 387.67 T +(re-) 527.79 387.67 T +(moving) 99 374.67 T +(a) 135.42 374.67 T +(name) 143.11 374.67 T +(is) 169.74 374.67 T 3 F -0.05 (unbinding) 179.88 374.67 P -1 F -0.05 (. Name spaces are functionally equivalent to dictionaries \050and often im-) 224.49 374.67 P +(unbinding) 179.88 374.67 T +1 F +(.) 224.49 374.67 T +(Name) 230.05 374.67 T +(spaces) 259.12 374.67 T +(are) 290.64 374.67 T +(functionally) 306.87 374.67 T +(equivalent) 362.84 374.67 T +(to) 411.47 374.67 T +(dictionaries) 422.83 374.67 T +(\050and) 476.96 374.67 T +(often) 499.31 374.67 T +(im-) 524.72 374.67 T (plemented as dictionaries\051.) 99 361.67 T -0.41 0.01 (The) 99 336.67 B +(T) 99 336.67 T +(h) 105.73 336.67 T +(e) 111.24 336.67 T 3 F -0.41 0.01 (local name space) 119.3 336.67 B -1 F -0.41 0.01 ( of an execution frame determines the default place where names are defined) 196.62 336.67 B --0.5 (and searched. The) 99 323.67 P +(l) 119.3 336.67 T +(o) 122.36 336.67 T +(c) 127.87 336.67 T +(a) 132.76 336.67 T +(l) 138.27 336.67 T +(n) 144.51 336.67 T +(a) 150.02 336.67 T +(m) 155.52 336.67 T +(e) 163.48 336.67 T +(s) 171.54 336.67 T +(p) 175.82 336.67 T +(a) 181.33 336.67 T +(c) 186.84 336.67 T +(e) 191.73 336.67 T +1 F +(o) 199.79 336.67 T +(f) 205.3 336.67 T +(a) 212.14 336.67 T +(n) 217.04 336.67 T +(e) 225.71 336.67 T +(x) 230.6 336.67 T +(e) 236.11 336.67 T +(c) 241.01 336.67 T +(u) 245.9 336.67 T +(t) 251.4 336.67 T +(i) 254.47 336.67 T +(o) 257.54 336.67 T +(n) 263.05 336.67 T +(f) 271.72 336.67 T +(r) 275.39 336.67 T +(a) 279.07 336.67 T +(m) 283.96 336.67 T +(e) 292.52 336.67 T +(d) 300.58 336.67 T +(e) 306.09 336.67 T +(t) 310.98 336.67 T +(e) 314.05 336.67 T +(r) 318.94 336.67 T +(m) 322.61 336.67 T +(i) 331.18 336.67 T +(n) 334.25 336.67 T +(e) 339.75 336.67 T +(s) 344.64 336.67 T +(t) 352.1 336.67 T +(h) 355.17 336.67 T +(e) 360.68 336.67 T +(d) 368.74 336.67 T +(e) 374.25 336.67 T +(f) 379.14 336.67 T +(a) 382.81 336.67 T +(u) 387.7 336.67 T +(l) 393.21 336.67 T +(t) 396.27 336.67 T +(p) 402.51 336.67 T +(l) 408.02 336.67 T +(a) 411.08 336.67 T +(c) 415.98 336.67 T +(e) 420.87 336.67 T +(w) 428.93 336.67 T +(h) 436.88 336.67 T +(e) 442.39 336.67 T +(r) 447.28 336.67 T +(e) 450.95 336.67 T +(n) 459.02 336.67 T +(a) 464.52 336.67 T +(m) 469.41 336.67 T +(e) 477.98 336.67 T +(s) 482.87 336.67 T +(a) 490.33 336.67 T +(r) 495.22 336.67 T +(e) 498.89 336.67 T +(d) 506.95 336.67 T +(e) 512.46 336.67 T +(f) 517.35 336.67 T +(i) 521.03 336.67 T +(n) 524.09 336.67 T +(e) 529.6 336.67 T +(d) 534.49 336.67 T +(and) 99 323.67 T +(searched.) 117.13 323.67 T +(The) 160.61 323.67 T 3 F --0.5 (global name space) 179.96 323.67 P -1 F --0.5 ( determines the place where names listed in) 261.44 323.67 P -2 F --1.21 (global) 451.71 323.67 P -1 F --0.5 ( statements) 491.31 323.67 P --0.36 (are defined and searched, and where names that are not bound anywhere in the current code block are) 99 310.67 P +(global) 179.96 323.67 T +(name) 210.32 323.67 T +(space) 236.39 323.67 T +1 F +(determines) 263.69 323.67 T +(the) 314.2 323.67 T +(place) 329.89 323.67 T +(where) 355.35 323.67 T +(names) 384.47 323.67 T +(listed) 414.82 323.67 T +(in) 440.91 323.67 T +2 F +(global) 451.71 323.67 T +1 F +(statements) 493.56 323.67 T +(are) 99 310.67 T +(defined) 114.82 310.67 T +(and) 150.19 310.67 T +(searched,) 168.46 310.67 T +(and) 212.08 310.67 T +(where) 230.35 310.67 T +(names) 259.61 310.67 T +(that) 290.1 310.67 T +(are) 308.98 310.67 T +(not) 324.8 310.67 T +(bound) 341.25 310.67 T +(anywhere) 371.13 310.67 T +(in) 416.27 310.67 T +(the) 427.22 310.67 T +(current) 443.05 310.67 T +(code) 476.59 310.67 T +(block) 499.74 310.67 T +(are) 526.57 310.67 T (searched.) 99 297.67 T --0.31 (Whether a name is local or global in a code block is determined by static inspection of the source text) 99 272.67 P --0.19 (for the code block: in the absence of) 99 259.67 P -2 F --0.45 (global) 260.01 259.67 P -1 F --0.19 ( statements, a name that is bound anywhere in the code) 299.61 259.67 P --0.21 (block is local in the entire code block; all other names are considered global. The) 99 246.67 P -2 F --0.51 (global) 455.7 246.67 P -1 F --0.21 ( statement) 495.3 246.67 P -0.27 (forces global interpretation of specified names throughout the code block. The following constructs) 99 233.67 P -0.41 0.17 (bind names: formal parameters to functions,) 99 220.67 B -2 F -0.99 0.17 (import) 306.04 220.67 B -1 F -0.41 0.17 ( statements, class and function definitions) 346.67 220.67 B --0.01 (\050these bind the class or function name in the defining block\051, and targets that are identifiers if occur-) 99 207.67 P --0.54 (ring in an assignment,) 99 194.67 P -2 F --1.3 (for) 196.75 194.67 P -1 F --0.54 ( loop header, or in the second position of an) 216.55 194.67 P -2 F --1.3 (except) 409.17 194.67 P -1 F --0.54 ( clause header. Local) 448.77 194.67 P -0.3 (names are searched only on the local name space; global names are searched only in the global and) 99 181.67 P -(built-in namespace.) 99 168.67 T +(Whether) 99 272.67 T +(a) 139.31 272.67 T +(name) 146.63 272.67 T +(is) 172.89 272.67 T +(local) 182.67 272.67 T +(or) 206.49 272.67 T +(global) 218.09 272.67 T +(in) 248.02 272.67 T +(a) 259.02 272.67 T +(code) 266.34 272.67 T +(block) 289.54 272.67 T +(is) 316.42 272.67 T +(determined) 326.2 272.67 T +(by) 378.12 272.67 T +(static) 391.56 272.67 T +(inspection) 417.22 272.67 T +(of) 464.88 272.67 T +(the) 476.47 272.67 T +(source) 492.35 272.67 T +(text) 523.5 272.67 T +(for) 99 259.67 T +(the) 114.39 259.67 T +(code) 130.39 259.67 T +(block:) 153.72 259.67 T +(in) 183.79 259.67 T +(the) 194.91 259.67 T +(absence) 210.91 259.67 T +(of) 248.29 259.67 T +2 F +(global) 260.01 259.67 T +1 F +(statements,) 302.17 259.67 T +(a) 353.93 259.67 T +(name) 361.38 259.67 T +(that) 387.76 259.67 T +(is) 406.83 259.67 T +(bound) 416.73 259.67 T +(anywhere) 446.79 259.67 T +(in) 492.11 259.67 T +(the) 503.23 259.67 T +(code) 519.23 259.67 T +(block) 99 246.67 T +(is) 125.98 246.67 T +(local) 135.85 246.67 T +(in) 159.78 246.67 T +(the) 170.87 246.67 T +(entire) 186.85 246.67 T +(code) 214.44 246.67 T +(block;) 237.74 246.67 T +(all) 267.78 246.67 T +(other) 281.32 246.67 T +(names) 306.46 246.67 T +(are) 337.11 246.67 T +(considered) 353.08 246.67 T +(global.) 403.27 246.67 T +(The) 436.05 246.67 T +2 F +(global) 455.7 246.67 T +1 F +(statement) 497.84 246.67 T +(forces) 99 233.67 T +(global) 128.89 233.67 T +(interpretation) 159.41 233.67 T +(of) 221.69 233.67 T +(specified) 233.87 233.67 T +(names) 276.6 233.67 T +(throughout) 307.72 233.67 T +(the) 359.02 233.67 T +(code) 375.48 233.67 T +(block.) 399.27 233.67 T +(The) 429.48 233.67 T +(following) 449.6 233.67 T +(constructs) 495.39 233.67 T +(b) 99 220.67 T +(i) 104.67 220.67 T +(n) 107.9 220.67 T +(d) 113.57 220.67 T +(n) 122.57 220.67 T +(a) 128.24 220.67 T +(m) 133.3 220.67 T +(e) 142.03 220.67 T +(s) 147.08 220.67 T +(:) 151.53 220.67 T +(f) 158.1 220.67 T +(o) 161.93 220.67 T +(r) 167.6 220.67 T +(m) 171.43 220.67 T +(a) 180.16 220.67 T +(l) 185.22 220.67 T +(p) 191.78 220.67 T +(a) 197.45 220.67 T +(r) 202.5 220.67 T +(a) 206.34 220.67 T +(m) 211.39 220.67 T +(e) 220.12 220.67 T +(t) 225.18 220.67 T +(e) 228.4 220.67 T +(r) 233.46 220.67 T +(s) 237.29 220.67 T +(t) 245.08 220.67 T +(o) 248.3 220.67 T +(f) 257.31 220.67 T +(u) 261.14 220.67 T +(n) 266.81 220.67 T +(c) 272.48 220.67 T +(t) 277.54 220.67 T +(i) 280.77 220.67 T +(o) 284 220.67 T +(n) 289.67 220.67 T +(s) 295.34 220.67 T +(,) 299.79 220.67 T +2 F +(i) 306.04 220.67 T +(m) 312.81 220.67 T +(p) 319.58 220.67 T +(o) 326.35 220.67 T +(r) 333.12 220.67 T +(t) 339.89 220.67 T +1 F +(s) 350 220.67 T +(t) 354.45 220.67 T +(a) 357.68 220.67 T +(t) 362.73 220.67 T +(e) 365.96 220.67 T +(m) 371.02 220.67 T +(e) 379.74 220.67 T +(n) 384.8 220.67 T +(t) 390.47 220.67 T +(s) 393.7 220.67 T +(,) 398.15 220.67 T +(c) 404.4 220.67 T +(l) 409.46 220.67 T +(a) 412.68 220.67 T +(s) 417.74 220.67 T +(s) 422.19 220.67 T +(a) 429.97 220.67 T +(n) 435.03 220.67 T +(d) 440.7 220.67 T +(f) 449.7 220.67 T +(u) 453.54 220.67 T +(n) 459.21 220.67 T +(c) 464.88 220.67 T +(t) 469.93 220.67 T +(i) 473.16 220.67 T +(o) 476.39 220.67 T +(n) 482.06 220.67 T +(d) 491.06 220.67 T +(e) 496.73 220.67 T +(f) 501.79 220.67 T +(i) 505.62 220.67 T +(n) 508.85 220.67 T +(i) 514.52 220.67 T +(t) 517.75 220.67 T +(i) 520.98 220.67 T +(o) 524.21 220.67 T +(n) 529.88 220.67 T +(s) 535.55 220.67 T +(\050these) 99 207.67 T +(bind) 128.01 207.67 T +(the) 150.31 207.67 T +(class) 166.49 207.67 T +(or) 190.62 207.67 T +(function) 202.53 207.67 T +(name) 241.93 207.67 T +(in) 268.5 207.67 T +(the) 279.8 207.67 T +(defining) 295.98 207.67 T +(block\051,) 335.39 207.67 T +(and) 368.99 207.67 T +(targets) 387.61 207.67 T +(that) 419.68 207.67 T +(are) 438.92 207.67 T +(identifiers) 455.1 207.67 T +(if) 502.44 207.67 T +(occur-) 511.91 207.67 T +(ring) 99 194.67 T +(in) 118.93 194.67 T +(an) 129.7 194.67 T +(assignment,) 142.29 194.67 T +2 F +(for) 196.75 194.67 T +1 F +(loop) 218.76 194.67 T +(header,) 240.52 194.67 T +(or) 274.8 194.67 T +(in) 286.17 194.67 T +(the) 296.93 194.67 T +(second) 312.58 194.67 T +(position) 345.34 194.67 T +(of) 383 194.67 T +(an) 394.37 194.67 T +2 F +(except) 409.17 194.67 T +1 F +(clause) 450.98 194.67 T +(header.) 480.68 194.67 T +(Local) 514.95 194.67 T +(names) 99 181.67 T +(are) 130.15 181.67 T +(searched) 146.63 181.67 T +(only) 188.16 181.67 T +(on) 210.77 181.67 T +(the) 224.82 181.67 T +(local) 241.31 181.67 T +(name) 265.74 181.67 T +(space;) 292.61 181.67 T +(global) 323.15 181.67 T +(names) 353.7 181.67 T +(are) 384.86 181.67 T +(searched) 401.33 181.67 T +(only) 442.86 181.67 T +(in) 465.47 181.67 T +(the) 477.08 181.67 T +(global) 493.57 181.67 T +(and) 524.12 181.67 T +(built-in namespace.) 99 165.73 T 1 8.8 Q -(1) 185.15 173.07 T -1 11 Q --0.4 (A target occurring in a) 99 143.67 P -2 F --0.96 (del) 199.33 143.67 P -1 F --0.4 ( statement is also considered bound for this purpose \050though the actual se-) 219.13 143.67 P -(mantics are to \322unbind\323 the name\051.) 99 130.67 T -0 0 0 1 0 0 0 K +(1) 185.15 170.13 T +1 11 Q +(A) 99 140.73 T +(target) 109.29 140.73 T +(occurring) 136.69 140.73 T +(in) 181.19 140.73 T +(a) 192.1 140.73 T +2 F +(del) 199.33 140.73 T +1 F +(statement) 221.48 140.73 T +(is) 265.99 140.73 T +(also) 275.68 140.73 T +(considered) 295.75 140.73 T +(bound) 345.75 140.73 T +(for) 375.6 140.73 T +(this) 390.77 140.73 T +(purpose) 409.02 140.73 T +(\050though) 446.2 140.73 T +(the) 482.77 140.73 T +(actual) 498.56 140.73 T +(se-) 527.17 140.73 T +(mantics are to \322unbind\323 the name\051.) 99 127.73 T 99 99 540 114 C -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 108 112 252 112 2 L 0.5 H 2 Z 0 X -0 0 0 1 0 0 0 K N -0 0 0 1 0 0 0 K 0 0 612 792 C -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (1.) 108 92.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.35 (If the code block contains) 121.5 92.33 P -2 F --0.83 (exec) 225.57 92.33 P -1 F --0.35 ( statements or the construct \324\324) 249.57 92.33 P -2 F --0.83 (from) 366.42 92.33 P --0.83 (...) 392.57 92.33 P --0.83 (import) 412.72 92.33 P --0.83 (*) 450.88 92.33 P -1 F --0.35 (\325\325, the semantics) 456.88 92.33 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.61 (of local names change subtly: local name lookup first searches in the local namespace, then in the) 121.46 80.33 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(If) 121.5 92.33 T +(the) 130.31 92.33 T +(code) 144.68 92.33 T +(block) 165.72 92.33 T +(contains) 190.09 92.33 T +2 F +(exec) 225.57 92.33 T +1 F +(statements) 251.72 92.33 T +(or) 296.09 92.33 T +(the) 306.58 92.33 T +(construct) 320.95 92.33 T +(\324\324) 359.76 92.33 T +2 F +(from) 366.42 92.33 T +(...) 392.57 92.33 T +(import) 412.72 92.33 T +(*) 450.88 92.33 T +1 F +(\325\325,) 456.88 92.33 T +(the) 468.19 92.33 T +(semantics) 482.56 92.33 T +(of) 121.46 80.33 T +(local) 132.9 80.33 T +(names) 155.46 80.33 T +(change) 184.12 80.33 T +(subtly:) 215.55 80.33 T +(local) 245.89 80.33 T +(name) 268.44 80.33 T +(lookup) 293.21 80.33 T +(first) 324.1 80.33 T +(searches) 343.32 80.33 T +(in) 380.3 80.33 T +(the) 391.2 80.33 T +(local) 406.53 80.33 T +(namespace,) 429.08 80.33 T +(then) 478.56 80.33 T +(in) 498.89 80.33 T +(the) 509.78 80.33 T (global namespace and in the built-in namespace.) 121.46 68.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "23" 29 %%Page: "24" 30 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (24) 76.5 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q -0.41 0.03 (When a global name is not found in the global name space, it is searched in the built-in namespace. The) 72 712.67 B -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.02 (built-in namespace associated with the execution of a code block is actually found by looking up the name) 72 699.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -2 F --0.87 (__builtins__) 72 686.67 P -1 F --0.36 ( is its global name space; this should be a dictionary or a module \050in the latter case its dic-) 151.2 686.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.41 0.24 (tionary is used\051. Normally, the) 72 673.67 B -2 F -0.99 0.24 (__builtins__) 218.94 673.67 B -1 F -0.41 0.24 ( namespace is the dictionary of the built-in module) 301.03 673.67 B -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -2 F -0.99 0.05 (__builtin__) 72 660.67 B -1 F -0.41 0.05 ( \050note: no \324s\325\051; if it isn\325t,) 145.11 660.67 B +(W) 72 712.67 T +(h) 82.42 712.67 T +(e) 87.95 712.67 T +(n) 92.87 712.67 T +(a) 101.6 712.67 T +(g) 109.71 712.67 T +(l) 115.25 712.67 T +(o) 118.34 712.67 T +(b) 123.87 712.67 T +(a) 129.4 712.67 T +(l) 134.32 712.67 T +(n) 140.61 712.67 T +(a) 146.14 712.67 T +(m) 151.06 712.67 T +(e) 159.65 712.67 T +(i) 167.77 712.67 T +(s) 170.86 712.67 T +(n) 178.37 712.67 T +(o) 183.9 712.67 T +(t) 189.43 712.67 T +(f) 195.72 712.67 T +(o) 199.42 712.67 T +(u) 204.95 712.67 T +(n) 210.49 712.67 T +(d) 216.02 712.67 T +(i) 224.75 712.67 T +(n) 227.84 712.67 T +(t) 236.57 712.67 T +(h) 239.66 712.67 T +(e) 245.2 712.67 T +(g) 253.31 712.67 T +(l) 258.84 712.67 T +(o) 261.94 712.67 T +(b) 267.47 712.67 T +(a) 273 712.67 T +(l) 277.92 712.67 T +(n) 284.21 712.67 T +(a) 289.74 712.67 T +(m) 294.66 712.67 T +(e) 303.25 712.67 T +(s) 311.36 712.67 T +(p) 315.68 712.67 T +(a) 321.21 712.67 T +(c) 326.13 712.67 T +(e) 331.05 712.67 T +(,) 335.96 712.67 T +(i) 341.94 712.67 T +(t) 345.04 712.67 T +(i) 351.32 712.67 T +(s) 354.42 712.67 T +(s) 361.92 712.67 T +(e) 366.24 712.67 T +(a) 371.15 712.67 T +(r) 376.07 712.67 T +(c) 379.77 712.67 T +(h) 384.69 712.67 T +(e) 390.22 712.67 T +(d) 395.14 712.67 T +(i) 403.87 712.67 T +(n) 406.96 712.67 T +(t) 415.69 712.67 T +(h) 418.78 712.67 T +(e) 424.31 712.67 T +(b) 432.43 712.67 T +(u) 437.96 712.67 T +(i) 443.49 712.67 T +(l) 446.59 712.67 T +(t) 449.68 712.67 T +(-) 452.77 712.67 T +(i) 456.47 712.67 T +(n) 459.56 712.67 T +(n) 468.29 712.67 T +(a) 473.82 712.67 T +(m) 478.74 712.67 T +(e) 487.33 712.67 T +(s) 492.25 712.67 T +(p) 496.56 712.67 T +(a) 502.1 712.67 T +(c) 507.01 712.67 T +(e) 511.93 712.67 T +(.) 516.85 712.67 T +(T) 522.83 712.67 T +(h) 529.58 712.67 T +(e) 535.12 712.67 T +(built-in) 72 699.67 T +(namespace) 107.12 699.67 T +(associated) 158.11 699.67 T +(with) 206.05 699.67 T +(the) 228.34 699.67 T +(execution) 244.51 699.67 T +(of) 290.01 699.67 T +(a) 301.9 699.67 T +(code) 309.51 699.67 T +(block) 333.01 699.67 T +(is) 360.18 699.67 T +(actually) 370.25 699.67 T +(found) 407.8 699.67 T +(by) 436.2 699.67 T +(looking) 449.93 699.67 T +(up) 486.27 699.67 T +(the) 500 699.67 T +(name) 516.17 699.67 T +2 F +(__builtins__) 72 686.67 T +1 F +(is) 153.59 686.67 T +(its) 163.32 686.67 T +(global) 176.1 686.67 T +(name) 205.99 686.67 T +(space;) 232.21 686.67 T +(this) 262.08 686.67 T +(should) 280.37 686.67 T +(be) 312.1 686.67 T +(a) 324.87 686.67 T +(dictionary) 332.14 686.67 T +(or) 379.14 686.67 T +(a) 390.69 686.67 T +(module) 397.96 686.67 T +(\050in) 433.35 686.67 T +(the) 447.96 686.67 T +(latter) 463.8 686.67 T +(case) 488.79 686.67 T +(its) 510.11 686.67 T +(dic-) 522.9 686.67 T +(t) 72 673.67 T +(i) 75.3 673.67 T +(o) 78.6 673.67 T +(n) 84.34 673.67 T +(a) 90.08 673.67 T +(r) 95.2 673.67 T +(y) 99.11 673.67 T +(i) 108.25 673.67 T +(s) 111.55 673.67 T +(u) 119.47 673.67 T +(s) 125.21 673.67 T +(e) 129.73 673.67 T +(d) 134.86 673.67 T +(\051) 140.6 673.67 T +(.) 144.5 673.67 T +(N) 150.89 673.67 T +(o) 159.08 673.67 T +(r) 164.82 673.67 T +(m) 168.72 673.67 T +(a) 177.52 673.67 T +(l) 182.64 673.67 T +(l) 185.94 673.67 T +(y) 189.24 673.67 T +(,) 194.98 673.67 T +(t) 201.38 673.67 T +(h) 204.67 673.67 T +(e) 210.41 673.67 T +2 F +(_) 218.94 673.67 T +(_) 225.78 673.67 T +(b) 232.62 673.67 T +(u) 239.46 673.67 T +(i) 246.3 673.67 T +(l) 253.15 673.67 T +(t) 259.98 673.67 T +(i) 266.83 673.67 T +(n) 273.67 673.67 T +(s) 280.51 673.67 T +(_) 287.35 673.67 T +(_) 294.19 673.67 T +1 F +(n) 304.43 673.67 T +(a) 310.17 673.67 T +(m) 315.3 673.67 T +(e) 324.1 673.67 T +(s) 329.22 673.67 T +(p) 333.74 673.67 T +(a) 339.48 673.67 T +(c) 344.61 673.67 T +(e) 349.73 673.67 T +(i) 358.26 673.67 T +(s) 361.56 673.67 T +(t) 369.48 673.67 T +(h) 372.78 673.67 T +(e) 378.52 673.67 T +(d) 387.05 673.67 T +(i) 392.79 673.67 T +(c) 396.08 673.67 T +(t) 401.21 673.67 T +(i) 404.51 673.67 T +(o) 407.81 673.67 T +(n) 413.55 673.67 T +(a) 419.29 673.67 T +(r) 424.41 673.67 T +(y) 428.32 673.67 T +(o) 437.46 673.67 T +(f) 443.2 673.67 T +(t) 450.51 673.67 T +(h) 453.8 673.67 T +(e) 459.55 673.67 T +(b) 468.07 673.67 T +(u) 473.81 673.67 T +(i) 479.55 673.67 T +(l) 482.85 673.67 T +(t) 486.15 673.67 T +(-) 489.45 673.67 T +(i) 493.35 673.67 T +(n) 496.65 673.67 T +(m) 505.8 673.67 T +(o) 514.59 673.67 T +(d) 520.34 673.67 T +(u) 526.08 673.67 T +(l) 531.82 673.67 T +(e) 535.11 673.67 T +2 F +(_) 72 660.67 T +(_) 78.65 660.67 T +(b) 85.29 660.67 T +(u) 91.94 660.67 T +(i) 98.59 660.67 T +(l) 105.23 660.67 T +(t) 111.88 660.67 T +(i) 118.53 660.67 T +(n) 125.17 660.67 T +(_) 131.82 660.67 T +(_) 138.47 660.67 T +1 F +(\050) 148.32 660.67 T +(n) 152.03 660.67 T +(o) 157.58 660.67 T +(t) 163.12 660.67 T +(e) 166.23 660.67 T +(:) 171.16 660.67 T +(n) 177.47 660.67 T +(o) 183.02 660.67 T +(\324) 191.78 660.67 T +(s) 195.49 660.67 T +(\325) 199.81 660.67 T +(\051) 203.52 660.67 T +(;) 207.23 660.67 T +(i) 213.54 660.67 T +(f) 216.65 660.67 T +(i) 223.57 660.67 T +(t) 226.67 660.67 T +(i) 232.99 660.67 T +(s) 236.09 660.67 T +(n) 240.42 660.67 T +(\325) 245.96 660.67 T +(t) 249.67 660.67 T +(,) 252.78 660.67 T 3 F -0.41 0.05 (restricted execution mode) 258.78 660.67 B -1 F -0.41 0.05 ( is in effect, see [Ref:XXX]. When a) 374.41 660.67 B -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(r) 258.78 660.67 T +(e) 263.11 660.67 T +(s) 268.04 660.67 T +(t) 272.36 660.67 T +(r) 275.47 660.67 T +(i) 279.79 660.67 T +(c) 282.9 660.67 T +(t) 287.83 660.67 T +(e) 290.93 660.67 T +(d) 295.86 660.67 T +(e) 304.62 660.67 T +(x) 309.55 660.67 T +(e) 314.48 660.67 T +(c) 319.41 660.67 T +(u) 324.34 660.67 T +(t) 329.89 660.67 T +(i) 332.99 660.67 T +(o) 336.1 660.67 T +(n) 341.64 660.67 T +(m) 350.4 660.67 T +(o) 358.39 660.67 T +(d) 363.94 660.67 T +(e) 369.48 660.67 T +1 F +(i) 377.62 660.67 T +(s) 380.73 660.67 T +(i) 388.26 660.67 T +(n) 391.37 660.67 T +(e) 400.12 660.67 T +(f) 405.05 660.67 T +(f) 408.76 660.67 T +(e) 412.47 660.67 T +(c) 417.4 660.67 T +(t) 422.33 660.67 T +(,) 425.44 660.67 T +(s) 431.44 660.67 T +(e) 435.77 660.67 T +(e) 440.7 660.67 T +([) 448.84 660.67 T +(R) 452.55 660.67 T +(e) 459.93 660.67 T +(f) 464.86 660.67 T +(:) 468.57 660.67 T +(X) 471.68 660.67 T +(X) 479.67 660.67 T +(X) 487.65 660.67 T +(]) 495.64 660.67 T +(.) 499.35 660.67 T +(W) 505.36 660.67 T +(h) 515.79 660.67 T +(e) 521.34 660.67 T +(n) 526.27 660.67 T +(a) 535.02 660.67 T (name is not found at all, a) 72 647.67 T 2 F (NameError) 188.71 647.67 T 1 F ( exception is raised.) 248.11 647.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.19 (The following table lists the local and global name space used for all types of code blocks. The name space) 72 622.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.28 (for a particular module is automatically created when the module is first imported. Note that in almost all) 72 609.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.16 (cases, the global name space is the name space of the containing module \321 scopes in Python do not nest!) 72 596.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(The) 72 622.67 T +(following) 91.66 622.67 T +(table) 136.99 622.67 T +(lists) 160.93 622.67 T +(the) 181.22 622.67 T +(local) 197.22 622.67 T +(and) 221.16 622.67 T +(global) 239.6 622.67 T +(name) 269.66 622.67 T +(space) 296.04 622.67 T +(used) 323.02 622.67 T +(for) 345.74 622.67 T +(all) 361.12 622.67 T +(types) 374.68 622.67 T +(of) 400.46 622.67 T +(code) 412.18 622.67 T +(blocks.) 435.5 622.67 T +(The) 469.53 622.67 T +(name) 489.19 622.67 T +(space) 515.57 622.67 T +(for) 72 609.67 T +(a) 87.86 609.67 T +(particular) 95.78 609.67 T +(module) 140.96 609.67 T +(is) 177 609.67 T +(automatically) 187.37 609.67 T +(created) 250.29 609.67 T +(when) 285.08 609.67 T +(the) 311.94 609.67 T +(module) 328.42 609.67 T +(is) 364.45 609.67 T +(first) 374.82 609.67 T +(imported.) 395.58 609.67 T +(Note) 441.08 609.67 T +(that) 465.5 609.67 T +(in) 485.04 609.67 T +(almost) 496.63 609.67 T +(all) 529 609.67 T +(cases,) 72 596.67 T +(the) 100.87 596.67 T +(global) 117.22 596.67 T +(name) 147.63 596.67 T +(space) 174.36 596.67 T +(is) 201.7 596.67 T +(the) 211.95 596.67 T +(name) 228.3 596.67 T +(space) 255.03 596.67 T +(of) 282.37 596.67 T +(the) 294.44 596.67 T +(containing) 310.79 596.67 T +(module) 360.14 596.67 T +(\321) 396.05 596.67 T +(scopes) 409.96 596.67 T +(in) 442.19 596.67 T +(Python) 453.66 596.67 T +(do) 487.74 596.67 T +(not) 501.65 596.67 T +(nest!) 518.62 596.67 T (Notes:) 72 313.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 4 F (n.s.) 72 294.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F (means) 108 294.67 T 3 F (name space) 138.85 294.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 4 F (\0501\051) 72 275.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F (The main module for a script is always called) 108 275.67 T 2 F (__main__) 311.16 275.67 T 1 F (; \324\324the filename don\325t enter into it.\325\325) 363.96 275.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 4 F (\0502\051) 72 256.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F (The global and local name space for these can be overridden with optional extra arguments.) 108 256.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 4 F (\0503\051) 72 237.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F -0.86 (The) 108 237.67 P +(The) 108 237.67 T 2 F -2.07 (exec) 128.72 237.67 P +(exec) 128.72 237.67 T 1 F -0.86 ( statement and the) 155.12 237.67 P +(statement) 158.73 237.67 T +(and) 204.51 237.67 T +(the) 224.01 237.67 T 2 F -2.07 (eval\050\051) 241.07 237.67 P +(eval\050\051) 241.07 237.67 T 1 F -0.86 ( and) 280.67 237.67 P +(and) 284.28 237.67 T 2 F -2.07 (execfile\050\051) 303.78 237.67 P +(execfile\050\051) 303.78 237.67 T 1 F -0.86 ( functions have optional arguments to) 369.78 237.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(functions) 373.39 237.67 T +(have) 417.95 237.67 T +(optional) 442.33 237.67 T +(arguments) 482 237.67 T +(to) 531.44 237.67 T (override the global and local namespace. If only one namespace is specified, it is used for both.) 108 224.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.41 0.05 (The built-in functions) 72 199.67 B -2 F -0.99 0.05 (globals\050\051) 173.1 199.67 B -1 F -0.41 0.05 ( and) 232.95 199.67 B -2 F -0.99 0.05 (locals\050\051) 255.41 199.67 B -1 F -0.41 0.05 ( returns a dictionary representing the current global) 308.62 199.67 B -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.27 (and local name space, respectively. The effect of modifications to this dictionary on the name space are un-) 72 186.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(defined.) 72 173.67 T +(T) 72 199.67 T +(h) 78.77 199.67 T +(e) 84.32 199.67 T +(b) 92.47 199.67 T +(u) 98.02 199.67 T +(i) 103.57 199.67 T +(l) 106.68 199.67 T +(t) 109.79 199.67 T +(-) 112.9 199.67 T +(i) 116.61 199.67 T +(n) 119.72 199.67 T +(f) 128.48 199.67 T +(u) 132.2 199.67 T +(n) 137.75 199.67 T +(c) 143.3 199.67 T +(t) 148.23 199.67 T +(i) 151.34 199.67 T +(o) 154.45 199.67 T +(n) 160 199.67 T +(s) 165.55 199.67 T +2 F +(g) 173.1 199.67 T +(l) 179.75 199.67 T +(o) 186.4 199.67 T +(b) 193.05 199.67 T +(a) 199.7 199.67 T +(l) 206.35 199.67 T +(s) 213 199.67 T +(\050) 219.65 199.67 T +(\051) 226.3 199.67 T +1 F +(a) 236.17 199.67 T +(n) 241.1 199.67 T +(d) 246.65 199.67 T +2 F +(l) 255.41 199.67 T +(o) 262.07 199.67 T +(c) 268.72 199.67 T +(a) 275.37 199.67 T +(l) 282.02 199.67 T +(s) 288.67 199.67 T +(\050) 295.32 199.67 T +(\051) 301.97 199.67 T +1 F +(r) 311.83 199.67 T +(e) 315.55 199.67 T +(t) 320.48 199.67 T +(u) 323.59 199.67 T +(r) 329.14 199.67 T +(n) 332.86 199.67 T +(s) 338.41 199.67 T +(a) 345.95 199.67 T +(d) 354.1 199.67 T +(i) 359.65 199.67 T +(c) 362.76 199.67 T +(t) 367.69 199.67 T +(i) 370.8 199.67 T +(o) 373.91 199.67 T +(n) 379.46 199.67 T +(a) 385.01 199.67 T +(r) 389.95 199.67 T +(y) 393.66 199.67 T +(r) 402.42 199.67 T +(e) 406.14 199.67 T +(p) 411.07 199.67 T +(r) 416.62 199.67 T +(e) 420.33 199.67 T +(s) 425.27 199.67 T +(e) 429.6 199.67 T +(n) 434.53 199.67 T +(t) 440.08 199.67 T +(i) 443.19 199.67 T +(n) 446.3 199.67 T +(g) 451.85 199.67 T +(t) 460.62 199.67 T +(h) 463.73 199.67 T +(e) 469.28 199.67 T +(c) 477.42 199.67 T +(u) 482.36 199.67 T +(r) 487.91 199.67 T +(r) 491.62 199.67 T +(e) 495.34 199.67 T +(n) 500.27 199.67 T +(t) 505.82 199.67 T +(g) 512.15 199.67 T +(l) 517.7 199.67 T +(o) 520.8 199.67 T +(b) 526.35 199.67 T +(a) 531.91 199.67 T +(l) 536.84 199.67 T +(and) 72 186.67 T +(local) 90.36 186.67 T +(name) 114.23 186.67 T +(space,) 140.54 186.67 T +(respectively.) 170.2 186.67 T +(The) 228.58 186.67 T +(effect) 248.16 186.67 T +(of) 275.68 186.67 T +(modifications) 287.32 186.67 T +(to) 350.3 186.67 T +(this) 361.34 186.67 T +(dictionary) 379.72 186.67 T +(on) 426.8 186.67 T +(the) 440.29 186.67 T +(name) 456.21 186.67 T +(space) 482.51 186.67 T +(are) 509.42 186.67 T +(un-) 525.34 186.67 T +(defined.) 72 170.73 T 1 8.8 Q -(1) 107.74 178.07 T -0 0 0 1 0 0 0 K -72 108 540 123 C -0 0 0 1 0 0 0 K -81 121 225 121 2 L -0.5 H -2 Z -0 X -0 0 0 1 0 0 0 K -N -0 0 0 1 0 0 0 K -0 0 612 792 C -0 0 0 1 0 0 0 K -1 10 Q -0 X -0 0 0 1 0 0 0 K -(1.) 81 101.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.46 (The current implementations return the dictionary actually used to implement the name space,) 94.5 101.33 P -3 11 Q -0.5 (except) 479.29 101.33 P -1 10 Q -0.46 ( for) 507.38 101.33 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -2.45 (functions, where the optimizer may cause the local name space to be implemented differently, and) 94.46 89.33 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -2 F -(locals\050\051) 94.46 77.33 T -1 F -( returns a dictionary that is a shadow copy of the actual local name space.) 142.46 77.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(1) 107.74 175.13 T 4 12 Q (T) 179.93 573 T (able 3: Name Spaces f) 186.84 573 T (or V) 298.52 573 T (arious Code Blocks) 320.41 573 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F (Code block type) 101.8 547 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( Global name space) 240.04 547 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( Local name space) 377.46 547 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( Notes) 487.89 547 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q (Module) 78 523.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( n.s. for this module) 216.25 523.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( same as global) 370.12 523.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Script \050\336le or command\051) 78 502.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( n.s. for) 216.25 502.67 T 2 F (__main__) 252.61 502.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F ( same as global) 370.12 502.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (\0501\051) 485.77 502.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Interacti) 78 481.67 T (v) 114.38 481.67 T (e command) 119.71 481.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( n.s. for) 216.25 481.67 T 2 F (__main__) 252.61 481.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F ( same as global) 370.12 481.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Class de\336nition) 78 460.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( global n.s. of containing block) 216.25 460.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( ne) 370.12 460.67 T (w n.s.) 382.98 460.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Function body) 78 439.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( global n.s. of containing block) 216.25 439.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( ne) 370.12 439.67 T (w n.s.) 382.98 439.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (String passed to) 78 418.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 F (exec) 78 405.67 T 1 F ( statement) 104.4 405.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( global n.s. of containing block) 216.25 418.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.47 ( local n.s. of containing) 370.12 418.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(local) 372.4 418.67 T +(n.s.) 396.06 418.67 T +(of) 413.61 418.67 T +(containing) 425.05 418.67 T (block) 370.12 405.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( \0502\051, \0503\051) 485.77 418.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (String passed to) 78 384.67 T 2 F (eval\050\051) 151.03 384.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F ( global n.s. of caller) 216.25 384.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( local n.s. of caller) 370.12 384.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( \0502\051, \0503\051) 485.77 384.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.3 (File read by) 78 363.67 P +(File) 78 363.67 T +(read) 97.56 363.67 T +(by) 118.94 363.67 T 2 F --0.73 (execfile\050\051) 132.38 363.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(execfile\050\051) 132.38 363.67 T 1 F ( global n.s. of caller) 216.25 363.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( local n.s. of caller) 370.12 363.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( \0502\051, \0503\051) 485.77 363.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.08 (Expression read by) 78 342.67 P +(Expression) 78 342.67 T +(read) 129.56 342.67 T +(by) 151.16 342.67 T 2 F --0.18 (input) 164.84 342.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(input) 164.84 342.67 T 1 F ( global n.s. of caller) 216.25 342.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( local n.s. of caller) 370.12 342.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +72 108 540 123 C +0 0 0 1 0 0 0 1 K +81 121 225 121 2 L +0.5 H +2 Z +0 X +N +0 0 612 792 C +0 0 0 1 0 0 0 1 K +1 10 Q +0 X +(1.) 81 101.33 T +(The) 94.5 101.33 T +(current) 113.01 101.33 T +(implementations) 144.29 101.33 T +(return) 213.91 101.33 T +(the) 240.75 101.33 T +(dictionary) 255.93 101.33 T +(actually) 299.44 101.33 T +(used) 334.06 101.33 T +(to) 355.35 101.33 T +(implement) 366.08 101.33 T +(the) 411.82 101.33 T +(name) 427 101.33 T +(space,) 451.62 101.33 T +3 11 Q +(except) 479.29 101.33 T +1 10 Q +(for) 510.34 101.33 T +(functions,) 94.46 89.33 T +(where) 139.13 89.33 T +(the) 168.51 89.33 T +(optimizer) 185.68 89.33 T +(may) 228.96 89.33 T +(cause) 251.13 89.33 T +(the) 278.29 89.33 T +(local) 295.46 89.33 T +(name) 319.85 89.33 T +(space) 346.45 89.33 T +(to) 373.61 89.33 T +(be) 386.34 89.33 T +(implemented) 400.73 89.33 T +(differently,) 457.9 89.33 T +(and) 507.56 89.33 T +2 F +(locals\050\051) 94.46 77.33 T +1 F +( returns a dictionary that is a shadow copy of the actual local name space.) 142.46 77.33 T 72 562.75 72 335.25 2 L V 0.5 H @@ -8053,99 +16450,512 @@ N 71.75 335 527.27 335 2 L V N -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "24" 30 %%Page: "25" 31 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (25) 530 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 585 292.5 598.5 720 R 5 9 Q -(\245) 0 -90 592.5 720 TF -(Execution model) 0 -90 592.5 711 TF +(\245) 0 270 592.5 720 TF +(Execution model) 0 270 592.5 711 TF 585 292.5 598.5 720 R -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 14 Q (4.2) 99 710.67 T (Exceptions) 135 710.67 T 1 11 Q --0.22 (Exceptions are a means of breaking out of the normal flow of control of a code block in order to han-) 99 685.67 P -0.35 (dle errors or other exceptional conditions. An exception is) 99 672.67 P +(Exceptions) 99 685.67 T +(are) 150.41 685.67 T +(a) 166.38 685.67 T +(means) 173.79 685.67 T +(of) 204.42 685.67 T +(breaking) 216.12 685.67 T +(out) 257.14 685.67 T +(of) 273.72 685.67 T +(the) 285.42 685.67 T +(normal) 301.39 685.67 T +(flow) 335.08 685.67 T +(of) 357.77 685.67 T +(control) 369.47 685.67 T +(of) 403.16 685.67 T +(a) 414.85 685.67 T +(code) 422.27 685.67 T +(block) 445.57 685.67 T +(in) 472.54 685.67 T +(order) 483.62 685.67 T +(to) 509.36 685.67 T +(han-) 520.45 685.67 T +(dle) 99 672.67 T +(errors) 115.54 672.67 T +(or) 144.3 672.67 T +(other) 156.56 672.67 T +(exceptional) 182.27 672.67 T +(conditions.) 236.08 672.67 T +(An) 287.77 672.67 T +(exception) 304.31 672.67 T +(is) 350.18 672.67 T 3 F -0.35 (raised) 360.62 672.67 P -1 F -0.35 ( at the point where the error is de-) 388.12 672.67 P -1.81 (tected; it may be) 99 659.67 P +(raised) 360.62 672.67 T +1 F +(at) 391.22 672.67 T +(the) 402.26 672.67 T +(point) 418.8 672.67 T +(where) 444.52 672.67 T +(the) 474.5 672.67 T +(error) 491.04 672.67 T +(is) 515.51 672.67 T +(de-) 525.95 672.67 T +(tected;) 99 659.67 T +(it) 132.88 659.67 T +(may) 143.55 659.67 T +(be) 167.05 659.67 T 3 F -1.81 (handled) 181.99 659.67 P -1 F -1.81 ( by the surrounding code block or by any code block that directly or) 217.43 659.67 P +(handled) 181.99 659.67 T +1 F +(by) 221.99 659.67 T +(the) 237.54 659.67 T +(surrounding) 255.54 659.67 T +(code) 313.26 659.67 T +(block) 338.59 659.67 T +(or) 367.58 659.67 T +(by) 381.3 659.67 T +(any) 396.86 659.67 T +(code) 417.3 659.67 T +(block) 442.62 659.67 T +(that) 471.62 659.67 T +(directly) 492.68 659.67 T +(or) 530.84 659.67 T (indirectly invoked the code block where the error occurred.) 99 646.67 T --0.29 (The Python interpreter raises an exception when it detects a run-time error \050such as division by zero\051.) 99 621.67 P -0.19 (A Python program can also explicitly raise an exception with the) 99 608.67 P -2 F -0.44 (raise) 389.13 608.67 P -1 F -0.19 ( statement. Exception han-) 422.13 608.67 P -0.41 0.06 (dlers are specified with the) 99 595.67 B -2 F -0.99 0.06 (try...except) 224.2 595.67 B -1 F -0.41 0.06 ( statement. The) 304.18 595.67 B -2 F -0.99 0.06 (try) 376.71 595.67 B -1 F -0.41 0.06 (...) 396.7 595.67 B -2 F -0.99 0.06 (finally) 405.15 595.67 B -1 F -0.41 0.06 ( statement specifies) 451.8 595.67 B --0.09 (cleanup code which does not handle the exception, but is executed whether an exception occurred or) 99 582.67 P +(The) 99 621.67 T +(Python) 118.56 621.67 T +(interpreter) 152.19 621.67 T +(raises) 200.46 621.67 T +(an) 227.96 621.67 T +(exception) 240.8 621.67 T +(when) 286.03 621.67 T +(it) 312.31 621.67 T +(detects) 320.88 621.67 T +(a) 353.88 621.67 T +(run-time) 361.22 621.67 T +(error) 401.56 621.67 T +(\050such) 425.39 621.67 T +(as) 451.67 621.67 T +(division) 463.29 621.67 T +(by) 501.2 621.67 T +(zero\051.) 514.66 621.67 T +(A) 99 608.67 T +(Python) 109.88 608.67 T +(program) 143.99 608.67 T +(can) 184.19 608.67 T +(also) 202.39 608.67 T +(explicitly) 223.05 608.67 T +(raise) 267.54 608.67 T +(an) 291.24 608.67 T +(exception) 304.56 608.67 T +(with) 350.26 608.67 T +(the) 372.76 608.67 T +2 F +(raise) 389.13 608.67 T +1 F +(statement.) 425.07 608.67 T +(Exception) 472.91 608.67 T +(han-) 520.45 608.67 T +(d) 99 595.67 T +(l) 104.56 595.67 T +(e) 107.69 595.67 T +(r) 112.64 595.67 T +(s) 116.36 595.67 T +(a) 123.93 595.67 T +(r) 128.88 595.67 T +(e) 132.61 595.67 T +(s) 140.78 595.67 T +(p) 145.13 595.67 T +(e) 150.69 595.67 T +(c) 155.64 595.67 T +(i) 160.59 595.67 T +(f) 163.71 595.67 T +(i) 167.44 595.67 T +(e) 170.56 595.67 T +(d) 175.51 595.67 T +(w) 184.3 595.67 T +(i) 192.31 595.67 T +(t) 195.43 595.67 T +(h) 198.55 595.67 T +(t) 207.34 595.67 T +(h) 210.46 595.67 T +(e) 216.03 595.67 T +2 F +(t) 224.2 595.67 T +(r) 230.87 595.67 T +(y) 237.53 595.67 T +(.) 244.2 595.67 T +(.) 250.86 595.67 T +(.) 257.53 595.67 T +(e) 264.19 595.67 T +(x) 270.86 595.67 T +(c) 277.52 595.67 T +(e) 284.18 595.67 T +(p) 290.85 595.67 T +(t) 297.51 595.67 T +1 F +(s) 307.4 595.67 T +(t) 311.75 595.67 T +(a) 314.87 595.67 T +(t) 319.82 595.67 T +(e) 322.94 595.67 T +(m) 327.89 595.67 T +(e) 336.51 595.67 T +(n) 341.46 595.67 T +(t) 347.02 595.67 T +(.) 350.15 595.67 T +(T) 356.19 595.67 T +(h) 362.97 595.67 T +(e) 368.54 595.67 T +2 F +(t) 376.71 595.67 T +(r) 383.38 595.67 T +(y) 390.04 595.67 T +1 F +(.) 396.7 595.67 T +(.) 399.52 595.67 T +(.) 402.33 595.67 T +2 F +(f) 405.15 595.67 T +(i) 411.81 595.67 T +(n) 418.48 595.67 T +(a) 425.14 595.67 T +(l) 431.81 595.67 T +(l) 438.47 595.67 T +(y) 445.13 595.67 T +1 F +(s) 455.03 595.67 T +(t) 459.37 595.67 T +(a) 462.49 595.67 T +(t) 467.44 595.67 T +(e) 470.56 595.67 T +(m) 475.51 595.67 T +(e) 484.13 595.67 T +(n) 489.08 595.67 T +(t) 494.65 595.67 T +(s) 500.99 595.67 T +(p) 505.34 595.67 T +(e) 510.9 595.67 T +(c) 515.85 595.67 T +(i) 520.8 595.67 T +(f) 523.92 595.67 T +(i) 527.65 595.67 T +(e) 530.77 595.67 T +(s) 535.72 595.67 T +(cleanup) 99 582.67 T +(code) 135.87 582.67 T +(which) 159.3 582.67 T +(does) 188.85 582.67 T +(not) 211.67 582.67 T +(handle) 228.39 582.67 T +(the) 260.38 582.67 T +(exception,) 276.48 582.67 T +(but) 324.66 582.67 T +(is) 341.38 582.67 T +(executed) 351.38 582.67 T +(whether) 393.13 582.67 T +(an) 431.22 582.67 T +(exception) 444.27 582.67 T +(occurred) 489.7 582.67 T +(or) 530.84 582.67 T (not in the preceding code.) 99 569.67 T -0.13 (Python uses the \322termination\323 model of error handling: an exception handler can find out what hap-) 99 544.67 P --0.33 (pened and continue execution at an outer level, but it cannot repair the cause of the error and retry the) 99 531.67 P +(Python) 99 544.67 T +(uses) 133.06 544.67 T +(the) 154.88 544.67 T +(\322termination\323) 171.21 544.67 T +(model) 234.58 544.67 T +(of) 264.96 544.67 T +(error) 277.01 544.67 T +(handling:) 301.26 544.67 T +(an) 345.7 544.67 T +(exception) 358.97 544.67 T +(handler) 404.62 544.67 T +(can) 440.49 544.67 T +(find) 458.64 544.67 T +(out) 479.24 544.67 T +(what) 496.19 544.67 T +(hap-) 520.45 544.67 T +(pened) 99 531.67 T +(and) 127.69 531.67 T +(continue) 146 531.67 T +(execution) 186.3 531.67 T +(at) 231.49 531.67 T +(an) 241.86 531.67 T +(outer) 254.67 531.67 T +(level,) 279.7 531.67 T +(but) 306.25 531.67 T +(it) 322.73 531.67 T +(cannot) 331.27 531.67 T +(repair) 363.02 531.67 T +(the) 391.1 531.67 T +(cause) 406.96 531.67 T +(of) 433.81 531.67 T +(the) 445.4 531.67 T +(error) 461.26 531.67 T +(and) 485.06 531.67 T +(retry) 503.37 531.67 T +(the) 526.56 531.67 T (failing operation \050except by re-entering the the offending piece of code from the top\051.) 99 518.67 T -0.41 0.01 (When an exception is not handled at all, the interpreter terminates execution of the program, or re-) 99 493.67 B +(W) 99 493.67 T +(h) 109.4 493.67 T +(e) 114.91 493.67 T +(n) 119.81 493.67 T +(a) 128.49 493.67 T +(n) 133.39 493.67 T +(e) 142.08 493.67 T +(x) 146.97 493.67 T +(c) 152.49 493.67 T +(e) 157.38 493.67 T +(p) 162.28 493.67 T +(t) 167.79 493.67 T +(i) 170.86 493.67 T +(o) 173.93 493.67 T +(n) 179.44 493.67 T +(i) 188.13 493.67 T +(s) 191.2 493.67 T +(n) 198.67 493.67 T +(o) 204.18 493.67 T +(t) 209.69 493.67 T +(h) 215.94 493.67 T +(a) 221.45 493.67 T +(n) 226.35 493.67 T +(d) 231.86 493.67 T +(l) 237.37 493.67 T +(e) 240.44 493.67 T +(d) 245.34 493.67 T +(a) 254.03 493.67 T +(t) 258.92 493.67 T +(a) 265.17 493.67 T +(l) 270.07 493.67 T +(l) 273.14 493.67 T +(,) 276.21 493.67 T +(t) 282.14 493.67 T +(h) 285.21 493.67 T +(e) 290.73 493.67 T +(i) 298.8 493.67 T +(n) 301.87 493.67 T +(t) 307.38 493.67 T +(e) 310.45 493.67 T +(r) 315.35 493.67 T +(p) 319.02 493.67 T +(r) 324.54 493.67 T +(e) 328.21 493.67 T +(t) 333.11 493.67 T +(e) 336.18 493.67 T +(r) 341.07 493.67 T +(t) 347.92 493.67 T +(e) 350.99 493.67 T +(r) 355.89 493.67 T +(m) 359.57 493.67 T +(i) 368.14 493.67 T +(n) 371.21 493.67 T +(a) 376.72 493.67 T +(t) 381.62 493.67 T +(e) 384.69 493.67 T +(s) 389.58 493.67 T +(e) 397.05 493.67 T +(x) 401.95 493.67 T +(e) 407.46 493.67 T +(c) 412.36 493.67 T +(u) 417.25 493.67 T +(t) 422.76 493.67 T +(i) 425.83 493.67 T +(o) 428.9 493.67 T +(n) 434.42 493.67 T +(o) 443.11 493.67 T +(f) 448.62 493.67 T +(t) 455.47 493.67 T +(h) 458.54 493.67 T +(e) 464.05 493.67 T +(p) 472.12 493.67 T +(r) 477.63 493.67 T +(o) 481.31 493.67 T +(g) 486.82 493.67 T +(r) 492.33 493.67 T +(a) 496.01 493.67 T +(m) 500.91 493.67 T +(,) 509.48 493.67 T +(o) 515.41 493.67 T +(r) 520.93 493.67 T +(r) 527.78 493.67 T +(e) 531.45 493.67 T +(-) 536.35 493.67 T (turns to its interactive main loop. In this case, the interpreter normally prints a stack backtrace.) 99 480.67 T --0.42 (Exceptions are identified by string objects or class instances. Selection of a matching) 99 455.67 P -2 F --1 (except) 470.58 455.67 P -1 F --0.42 ( clause) 510.18 455.67 P --0.39 (is based on object identity \050i.e. two different string objects with the same value represent different ex-) 99 442.67 P --0.46 (ceptions\051. For string exceptions, the except clause must reference the same string object. For class ex-) 99 429.67 P +(Exceptions) 99 455.67 T +(are) 150.22 455.67 T +(identified) 165.98 455.67 T +(by) 210.48 455.67 T +(string) 223.81 455.67 T +(objects) 251.2 455.67 T +(or) 284.7 455.67 T +(class) 296.19 455.67 T +(instances.) 319.91 455.67 T +(Selection) 365.32 455.67 T +(of) 408.59 455.67 T +(a) 420.09 455.67 T +(matching) 427.3 455.67 T +2 F +(except) 470.58 455.67 T +1 F +(clause) 512.51 455.67 T +(is) 99 442.67 T +(based) 108.7 442.67 T +(on) 136.1 442.67 T +(object) 149.46 442.67 T +(identity) 178.71 442.67 T +(\050i.e.) 214.68 442.67 T +(two) 234.15 442.67 T +(different) 253.01 442.67 T +(string) 293.24 442.67 T +(objects) 320.65 442.67 T +(with) 354.18 442.67 T +(the) 376.1 442.67 T +(same) 391.9 442.67 T +(value) 416.86 442.67 T +(represent) 443.05 442.67 T +(different) 485.72 442.67 T +(ex-) 525.95 442.67 T +(ceptions\051.) 99 429.67 T +(For) 144.37 429.67 T +(string) 161.94 429.67 T +(exceptions,) 189.29 429.67 T +(the) 241.38 429.67 T +(except) 257.12 429.67 T +(clause) 288.12 429.67 T +(must) 317.9 429.67 T +(reference) 341.59 429.67 T +(the) 384.79 429.67 T +(same) 400.53 429.67 T +(string) 425.42 429.67 T +(object.) 452.78 429.67 T +(For) 484.7 429.67 T +(class) 502.28 429.67 T +(ex-) 525.95 429.67 T (ceptions, the except clause must reference the same class or a base class of it.) 99 416.67 T -0.41 0.05 (When an exception is raised, an object \050maybe) 99 391.67 B -2 F -0.99 0.05 (None) 312.57 391.67 B -1 F -0.41 0.05 (\051 is passed as the exception\325s \322parameter\323 or) 339.17 391.67 B --0.47 (\324\324value\325\325; this object does not affect the selection of an exception handler, but is passed to the selected) 99 378.67 P -0.16 (exception handler as additional information. For class exceptions, this object must be an instance of) 99 365.67 P +(W) 99 391.67 T +(h) 109.43 391.67 T +(e) 114.98 391.67 T +(n) 119.91 391.67 T +(a) 128.67 391.67 T +(n) 133.61 391.67 T +(e) 142.37 391.67 T +(x) 147.3 391.67 T +(c) 152.85 391.67 T +(e) 157.78 391.67 T +(p) 162.71 391.67 T +(t) 168.26 391.67 T +(i) 171.37 391.67 T +(o) 174.48 391.67 T +(n) 180.02 391.67 T +(i) 188.79 391.67 T +(s) 191.89 391.67 T +(r) 199.43 391.67 T +(a) 203.14 391.67 T +(i) 208.07 391.67 T +(s) 211.18 391.67 T +(e) 215.51 391.67 T +(d) 220.44 391.67 T +(,) 225.99 391.67 T +(a) 232 391.67 T +(n) 236.93 391.67 T +(o) 245.69 391.67 T +(b) 251.24 391.67 T +(j) 256.79 391.67 T +(e) 259.9 391.67 T +(c) 264.83 391.67 T +(t) 269.76 391.67 T +(\050) 276.08 391.67 T +(m) 279.79 391.67 T +(a) 288.4 391.67 T +(y) 293.33 391.67 T +(b) 298.88 391.67 T +(e) 304.43 391.67 T +2 F +(N) 312.57 391.67 T +(o) 319.22 391.67 T +(n) 325.87 391.67 T +(e) 332.52 391.67 T +1 F +(\051) 339.17 391.67 T +(i) 346.09 391.67 T +(s) 349.2 391.67 T +(p) 356.74 391.67 T +(a) 362.29 391.67 T +(s) 367.22 391.67 T +(s) 371.55 391.67 T +(e) 375.87 391.67 T +(d) 380.81 391.67 T +(a) 389.57 391.67 T +(s) 394.5 391.67 T +(t) 402.04 391.67 T +(h) 405.14 391.67 T +(e) 410.69 391.67 T +(e) 418.84 391.67 T +(x) 423.77 391.67 T +(c) 429.32 391.67 T +(e) 434.25 391.67 T +(p) 439.18 391.67 T +(t) 444.73 391.67 T +(i) 447.84 391.67 T +(o) 450.95 391.67 T +(n) 456.5 391.67 T +(\325) 462.04 391.67 T +(s) 465.76 391.67 T +(\322) 473.3 391.67 T +(p) 478.23 391.67 T +(a) 483.78 391.67 T +(r) 488.71 391.67 T +(a) 492.42 391.67 T +(m) 497.35 391.67 T +(e) 505.96 391.67 T +(t) 510.89 391.67 T +(e) 514 391.67 T +(r) 518.93 391.67 T +(\323) 522.64 391.67 T +(o) 530.79 391.67 T +(r) 536.34 391.67 T +(\324\324value\325\325;) 99 378.67 T +(this) 142.81 378.67 T +(object) 160.98 378.67 T +(does) 190.14 378.67 T +(not) 212.58 378.67 T +(affect) 228.91 378.67 T +(the) 256.22 378.67 T +(selection) 271.94 378.67 T +(of) 313.32 378.67 T +(an) 324.76 378.67 T +(exception) 337.42 378.67 T +(handler,) 382.46 378.67 T +(but) 420.47 378.67 T +(is) 436.81 378.67 T +(passed) 446.42 378.67 T +(to) 478.02 378.67 T +(the) 488.85 378.67 T +(selected) 504.57 378.67 T +(exception) 99 365.67 T +(handler) 144.68 365.67 T +(as) 180.58 365.67 T +(additional) 192.66 365.67 T +(information.) 239.57 365.67 T +(For) 297.17 365.67 T +(class) 315.37 365.67 T +(exceptions,) 339.66 365.67 T +(this) 392.37 365.67 T +(object) 411.18 365.67 T +(must) 440.98 365.67 T +(be) 465.28 365.67 T +(an) 478.58 365.67 T +(instance) 491.88 365.67 T +(of) 530.84 365.67 T (the exception class being raised.) 99 352.67 T (See also the description of the) 99 327.67 T 2 F @@ -8157,71 +16967,31 @@ FrameNoSep 1 F ( statements in \322Compound statements\323 on page) 308.22 327.67 T (47.) 519.34 327.67 T -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "25" 31 %%Page: "26" 32 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (26) 76.5 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "26" 32 %%Page: "27" 33 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (27) 530 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 585 292.5 598.5 720 R 5 9 Q -(\245) 0 -90 592.5 720 TF -(Expressions) 0 -90 592.5 711 TF +(\245) 0 270 592.5 720 TF +(Expressions) 0 270 592.5 711 TF 585 292.5 598.5 720 R -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 16 Q (C) 99 709.33 T 0 12.8 Q @@ -8234,9 +17004,24 @@ FrameNoSep 1 11 Q (This chapter explains the meaning of the elements of expressions in Python.) 99 672.67 T 4 F --0.53 (Syntax notes:) 99 653.67 P -1 F --0.53 ( in this and the following chapters, extended BNF notation will be used to describe syn-) 161.72 653.67 P +(Syntax) 99 653.67 T +(notes:) 133.62 653.67 T +1 F +(in) 163.95 653.67 T +(this) 174.73 653.67 T +(and) 192.84 653.67 T +(the) 210.95 653.67 T +(following) 226.62 653.67 T +(chapters,) 271.62 653.67 T +(extended) 313.24 653.67 T +(BNF) 355.17 653.67 T +(notation) 378.79 653.67 T +(will) 417.07 653.67 T +(be) 436.41 653.67 T +(used) 449.02 653.67 T +(to) 471.4 653.67 T +(describe) 482.18 653.67 T +(syn-) 521.06 653.67 T (tax, not lexical analysis. When \050one alternative of\051 a syntax rule has the form) 99 640.67 T 2 10 Q (name: othername) 99 622.33 T @@ -8254,8 +17039,40 @@ FrameNoSep (5.1) 99 570.67 T (Arithmetic conversions) 135 570.67 T 1 11 Q --0.15 (When a description of an arithmetic operator below uses the phrase \322the numeric arguments are con-) 99 545.67 P -0.86 (verted to a common type\323, the arguments are coerced using the coercion rules listed at the end of) 99 532.67 P +(When) 99 545.67 T +(a) 127.87 545.67 T +(description) 135.35 545.67 T +(of) 186.84 545.67 T +(an) 198.6 545.67 T +(arithmetic) 211.58 545.67 T +(operator) 258.79 545.67 T +(below) 298.04 545.67 T +(uses) 327.53 545.67 T +(the) 349.07 545.67 T +(phrase) 365.11 545.67 T +(\322the) 396.42 545.67 T +(numeric) 417.35 545.67 T +(arguments) 455.99 545.67 T +(are) 504.42 545.67 T +(con-) 520.45 545.67 T +(verted) 99 532.67 T +(to) 130.09 532.67 T +(a) 142.26 532.67 T +(common) 150.75 532.67 T +(type\323,) 192.85 532.67 T +(the) 223.03 532.67 T +(arguments) 240.08 532.67 T +(are) 289.51 532.67 T +(coerced) 306.55 532.67 T +(using) 344.35 532.67 T +(the) 371.8 532.67 T +(coercion) 388.84 532.67 T +(rules) 430.32 532.67 T +(listed) 455.31 532.67 T +(at) 482.75 532.67 T +(the) 494.3 532.67 T +(end) 511.35 532.67 T +(of) 530.84 532.67 T (chapter 3. If both arguments are standard numeric types, the following coercions are applied:) 99 519.67 T (\245) 99 500.67 T (If either argument is a complex number, the other is converted to complex;) 113.4 500.67 T @@ -8265,18 +17082,62 @@ FrameNoSep (otherwise, if either argument is a long integer, the other is converted to long integer;) 113.4 462.67 T (\245) 99 443.67 T (otherwise, both must be plain integers and no conversion is necessary.) 113.4 443.67 T --0.13 (Some additional rules apply for certain operators \050e.g. a string left argument to the \324) 99 418.67 P -2 F --0.32 (%) 465.56 418.67 P -1 F --0.13 (\325 operator\051. Ex-) 472.16 418.67 P +(Some) 99 418.67 T +(additional) 126.67 418.67 T +(rules) 173.29 418.67 T +(apply) 197.29 418.67 T +(for) 224.35 418.67 T +(certain) 239.79 418.67 T +(operators) 272.34 418.67 T +(\050e.g.) 315.88 418.67 T +(a) 338.05 418.67 T +(string) 345.55 418.67 T +(left) 373.22 418.67 T +(argument) 390.5 418.67 T +(to) 434.66 418.67 T +(the) 445.83 418.67 T +(\324) 461.89 418.67 T +2 F +(%) 465.56 418.67 T +1 F +(\325) 472.16 418.67 T +(operator\051.) 478.43 418.67 T +(Ex-) 524.12 418.67 T (tensions can define their own coercions.) 99 405.67 T 0 14 Q (5.2) 99 378.67 T (Atoms) 135 378.67 T 1 11 Q -1.43 (Atoms are the most basic elements of expressions. The simplest atoms are identifiers or literals.) 99 353.67 P -0.1 (Forms enclosed in reverse quotes or in parentheses, brackets or braces are also categorized syntacti-) 99 340.67 P +(Atoms) 99 353.67 T +(are) 132.51 353.67 T +(the) 150.12 353.67 T +(most) 167.74 353.67 T +(basic) 193.32 353.67 T +(elements) 220.1 353.67 T +(of) 263.39 353.67 T +(expressions.) 276.73 353.67 T +(The) 334.98 353.67 T +(simplest) 356.26 353.67 T +(atoms) 397.12 353.67 T +(are) 427.57 353.67 T +(identifiers) 445.18 353.67 T +(or) 493.97 353.67 T +(literals.) 507.31 353.67 T +(Forms) 99 340.67 T +(enclosed) 129.97 340.67 T +(in) 171.31 340.67 T +(reverse) 182.72 340.67 T +(quotes) 217.33 340.67 T +(or) 248.9 340.67 T +(in) 260.92 340.67 T +(parentheses,) 272.33 340.67 T +(brackets) 329.24 340.67 T +(or) 368.75 340.67 T +(braces) 380.76 340.67 T +(are) 411.71 340.67 T +(also) 427.99 340.67 T +(categorized) 448.57 340.67 T +(syntacti-) 502.12 340.67 T (cally as atoms. The syntax for atoms is:) 99 327.67 T 2 10 Q (atom: identifier | literal | enclosure) 99 309.33 T @@ -8285,65 +17146,273 @@ FrameNoSep (5.2.1) 99 272 T (Identifiers \050Names\051) 144 272 T 1 11 Q --0.25 (An identifier occurring as an atom is a reference to a local, global or built-in name binding. If a name) 99 252.67 P -1.68 (is assigned to anywhere in a code block \050even in unreachable code\051, and is not mentioned in a) 99 239.67 P -2 F --1.17 (global) 99 226.67 P -1 F --0.49 ( statement in that code block, then it refers to a local name throughout that code block. When) 138.6 226.67 P -0.83 (it is not assigned to anywhere in the block, or when it is assigned to but also explicitly listed in a) 99 213.67 P -2 F -0.64 (global) 99 200.67 P -1 F -0.27 ( statement, it refers to a global name if one exists, else to a built-in name \050and this binding) 138.6 200.67 P +(An) 99 252.67 T +(identifier) 114.94 252.67 T +(occurring) 157.77 252.67 T +(as) 202.43 252.67 T +(an) 214.09 252.67 T +(atom) 226.98 252.67 T +(is) 251.48 252.67 T +(a) 261.32 252.67 T +(reference) 268.7 252.67 T +(to) 312.12 252.67 T +(a) 323.18 252.67 T +(local,) 330.56 252.67 T +(global) 357.2 252.67 T +(or) 387.2 252.67 T +(built-in) 398.87 252.67 T +(name) 433.76 252.67 T +(binding.) 460.09 252.67 T +(If) 498.96 252.67 T +(a) 508.79 252.67 T +(name) 516.17 252.67 T +(is) 99 239.67 T +(assigned) 110.77 239.67 T +(to) 153.08 239.67 T +(anywhere) 166.07 239.67 T +(in) 213.26 239.67 T +(a) 226.25 239.67 T +(code) 235.57 239.67 T +(block) 260.77 239.67 T +(\050even) 289.64 239.67 T +(in) 318.5 239.67 T +(unreachable) 331.49 239.67 T +(code\051,) 389.07 239.67 T +(and) 420.68 239.67 T +(is) 440.99 239.67 T +(not) 452.76 239.67 T +(mentioned) 471.25 239.67 T +(in) 522.13 239.67 T +(a) 535.12 239.67 T +2 F +(global) 99 226.67 T +1 F +(statement) 140.86 226.67 T +(in) 185.29 226.67 T +(that) 196.11 226.67 T +(code) 214.87 226.67 T +(block,) 237.9 226.67 T +(then) 267.36 226.67 T +(it) 288.56 226.67 T +(refers) 296.94 226.67 T +(to) 324.24 226.67 T +(a) 335.06 226.67 T +(local) 342.21 226.67 T +(name) 365.85 226.67 T +(throughout) 391.94 226.67 T +(that) 442.48 226.67 T +(code) 461.25 226.67 T +(block.) 484.28 226.67 T +(When) 513.73 226.67 T +(it) 99 213.67 T +(is) 108.7 213.67 T +(not) 119.61 213.67 T +(assigned) 137.25 213.67 T +(to) 178.71 213.67 T +(anywhere) 190.85 213.67 T +(in) 237.19 213.67 T +(the) 249.33 213.67 T +(block,) 266.35 213.67 T +(or) 297.12 213.67 T +(when) 309.86 213.67 T +(it) 337.27 213.67 T +(is) 346.96 213.67 T +(assigned) 357.88 213.67 T +(to) 399.35 213.67 T +(but) 411.48 213.67 T +(also) 429.12 213.67 T +(explicitly) 450.42 213.67 T +(listed) 495.56 213.67 T +(in) 522.98 213.67 T +(a) 535.11 213.67 T +2 F +(global) 99 200.67 T +1 F +(statement,) 141.62 200.67 T +(it) 189.55 200.67 T +(refers) 198.68 200.67 T +(to) 226.74 200.67 T +(a) 238.31 200.67 T +(global) 246.22 200.67 T +(name) 276.73 200.67 T +(if) 303.58 200.67 T +(one) 313.32 200.67 T +(exists,) 332.22 200.67 T +(else) 363.05 200.67 T +(to) 383.17 200.67 T +(a) 394.75 200.67 T +(built-in) 402.65 200.67 T +(name) 438.06 200.67 T +(\050and) 464.9 200.67 T +(this) 487.47 200.67 T +(binding) 506.38 200.67 T (may dynamically change\051.) 99 187.67 T -0.14 (When the name is bound to an object, evaluation of the atom yields that object. When a name is not) 99 168.67 P +(When) 99 168.67 T +(the) 128.15 168.67 T +(name) 144.48 168.67 T +(is) 171.19 168.67 T +(bound) 181.42 168.67 T +(to) 211.8 168.67 T +(an) 223.25 168.67 T +(object,) 236.52 168.67 T +(evaluation) 269.04 168.67 T +(of) 317.75 168.67 T +(the) 329.8 168.67 T +(atom) 346.13 168.67 T +(yields) 371.01 168.67 T +(that) 400.18 168.67 T +(object.) 419.56 168.67 T +(When) 452.08 168.67 T +(a) 481.24 168.67 T +(name) 489.01 168.67 T +(is) 515.72 168.67 T +(not) 525.94 168.67 T (bound, an attempt to evaluate it raises a) 99 155.67 T 2 F (NameError) 275.89 155.67 T 1 F ( exception.) 335.29 155.67 T 4 F -0.77 (Private name mangling:) 99 136.67 P -1 F -0.77 ( when an identifier that textually occurs in a class definition begins with) 213.59 136.67 P -0.53 (two or more underscore characters and does not end in two or more underscores, it is considered a) 99 123.67 P --0.29 (\322private name\323 of that class. Private names are transformed to a longer form before code is generated) 99 110.67 P -0.62 (for them. The transformation inserts the class name in front of the name, with leading underscores) 99 97.67 P -1.25 (removed, and a single underscore inserted in front of the class name. For example, the identifier) 99 84.67 P --0.3 (__spam occurring in a class named Ham will be transformed to _Ham__spam. This transformation is) 99 71.67 P -0 0 0 1 0 0 0 K +(Private) 99 136.67 T +(name) 136.73 136.67 T +(mangling:) 165.92 136.67 T +1 F +(when) 217.12 136.67 T +(an) 244.46 136.67 T +(identifier) 258.37 136.67 T +(that) 302.22 136.67 T +(textually) 322.24 136.67 T +(occurs) 364.27 136.67 T +(in) 396.5 136.67 T +(a) 408.58 136.67 T +(class) 416.99 136.67 T +(definition) 441.89 136.67 T +(begins) 488.2 136.67 T +(with) 520.44 136.67 T +(two) 99 123.67 T +(or) 118.78 123.67 T +(more) 131.23 123.67 T +(underscore) 157.12 123.67 T +(characters) 208.65 123.67 T +(and) 256.52 123.67 T +(does) 275.69 123.67 T +(not) 299.13 123.67 T +(end) 316.47 123.67 T +(in) 335.64 123.67 T +(two) 347.48 123.67 T +(or) 367.26 123.67 T +(more) 379.71 123.67 T +(underscores,) 405.6 123.67 T +(it) 464.16 123.67 T +(is) 473.56 123.67 T +(considered) 484.18 123.67 T +(a) 535.12 123.67 T +(\322private) 99 110.67 T +(name\323) 136.89 110.67 T +(of) 168.06 110.67 T +(that) 179.68 110.67 T +(class.) 198.63 110.67 T +(Private) 225.23 110.67 T +(names) 258.85 110.67 T +(are) 289.41 110.67 T +(transformed) 305.3 110.67 T +(to) 360.91 110.67 T +(a) 371.92 110.67 T +(longer) 379.27 110.67 T +(form) 409.83 110.67 T +(before) 433.67 110.67 T +(code) 464.22 110.67 T +(is) 487.45 110.67 T +(generated) 497.24 110.67 T +(for) 99 97.67 T +(them.) 115.2 97.67 T +(The) 143.32 97.67 T +(transformation) 163.8 97.67 T +(inserts) 231.94 97.67 T +(the) 264.03 97.67 T +(class) 280.84 97.67 T +(name) 305.6 97.67 T +(in) 332.8 97.67 T +(front) 344.73 97.67 T +(of) 369.48 97.67 T +(the) 382.02 97.67 T +(name,) 398.83 97.67 T +(with) 428.78 97.67 T +(leading) 451.71 97.67 T +(underscores) 487.46 97.67 T +(removed,) 99 84.67 T +(and) 144.24 84.67 T +(a) 164.13 84.67 T +(single) 173.02 84.67 T +(underscore) 203.3 84.67 T +(inserted) 255.56 84.67 T +(in) 294.39 84.67 T +(front) 306.95 84.67 T +(of) 332.34 84.67 T +(the) 345.51 84.67 T +(class) 362.95 84.67 T +(name.) 388.34 84.67 T +(For) 418.92 84.67 T +(example,) 438.21 84.67 T +(the) 482.23 84.67 T +(identifier) 499.67 84.67 T +(__spam) 99 71.67 T +(occurring) 135.68 71.67 T +(in) 180.28 71.67 T +(a) 191.29 71.67 T +(class) 198.63 71.67 T +(named) 222.47 71.67 T +(Ham) 254.25 71.67 T +(will) 278.09 71.67 T +(be) 297.66 71.67 T +(transformed) 310.5 71.67 T +(to) 366.11 71.67 T +(_Ham__spam.) 377.12 71.67 T +(This) 443.43 71.67 T +(transformation) 465.44 71.67 T +(is) 532.66 71.67 T FMENDPAGE %%EndPage: "27" 33 %%Page: "28" 34 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (28) 76.5 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -1 11 Q -0.16 (independent of the syntactical context in which the identifier is used. If the transformed name is ex-) 99 712.67 P --0.64 (tremely long \050longer than 255 characters\051, implementation defined truncation may happen. If the class) 99 699.67 P +1 11 Q +(independent) 99 712.67 T +(of) 155.68 712.67 T +(the) 167.76 712.67 T +(syntactical) 184.11 712.67 T +(context) 234.07 712.67 T +(in) 269.37 712.67 T +(which) 280.84 712.67 T +(the) 310.64 712.67 T +(identifier) 326.99 712.67 T +(is) 370.23 712.67 T +(used.) 380.48 712.67 T +(If) 406.3 712.67 T +(the) 416.54 712.67 T +(transformed) 432.9 712.67 T +(name) 488.96 712.67 T +(is) 515.7 712.67 T +(ex-) 525.95 712.67 T +(tremely) 99 699.67 T +(long) 134.71 699.67 T +(\050longer) 156.37 699.67 T +(than) 190.25 699.67 T +(255) 211.29 699.67 T +(characters\051,) 229.9 699.67 T +(implementation) 283 699.67 T +(defined) 354.16 699.67 T +(truncation) 389.26 699.67 T +(may) 435.97 699.67 T +(happen.) 457.01 699.67 T +(If) 493.64 699.67 T +(the) 503.07 699.67 T +(class) 518.62 699.67 T (name consists only of underscores, no transformation is done.) 99 686.67 T 0 12 Q (5.2.2) 99 661 T @@ -8351,15 +17420,168 @@ FrameNoSep 1 11 Q (Python supports string literals and various numeric literals:) 99 641.67 T 2 10 Q --0.82 (literal: stringliteral | integer | longinteger | floatnumber | imagnumber) 99 623.33 P -1 11 Q -0.35 (Evaluation of a literal yields an object of the given type \050string, integer, long integer, floating point) 99 598.67 P --0.2 (number, complex number\051 with the given value. The value may be approximated in the case of float-) 99 585.67 P +(literal:) 99 623.33 T +(stringliteral) 162.54 623.33 T +(|) 245.73 623.33 T +(integer) 256.91 623.33 T +(|) 304.09 623.33 T +(longinteger) 315.27 623.33 T +(|) 386.45 623.33 T +(floatnumber) 397.64 623.33 T +(|) 468.82 623.33 T +(imagnumber) 480 623.33 T +1 11 Q +(Evaluation) 99 598.67 T +(of) 149.76 598.67 T +(a) 162.03 598.67 T +(literal) 170.02 598.67 T +(yields) 198.78 598.67 T +(an) 228.16 598.67 T +(object) 241.65 598.67 T +(of) 271.63 598.67 T +(the) 283.9 598.67 T +(given) 300.44 598.67 T +(type) 327.99 598.67 T +(\050string,) 350.03 598.67 T +(integer,) 384.6 598.67 T +(long) 421 598.67 T +(integer,) 443.66 598.67 T +(floating) 480.06 598.67 T +(point) 517.38 598.67 T +(number,) 99 585.67 T +(complex) 137.91 585.67 T +(number\051) 178.34 585.67 T +(with) 218.16 585.67 T +(the) 240.27 585.67 T +(given) 256.26 585.67 T +(value.) 283.25 585.67 T +(The) 312.38 585.67 T +(value) 332.03 585.67 T +(may) 358.41 585.67 T +(be) 379.9 585.67 T +(approximated) 392.84 585.67 T +(in) 455.88 585.67 T +(the) 466.99 585.67 T +(case) 482.98 585.67 T +(of) 504.46 585.67 T +(float-) 516.17 585.67 T (ing point and imaginary \050complex\051 literals. \050See \322Literals\323 on page) 99 572.67 T (6 for details.\051) 399 572.67 T --0.13 (All literals correspond to immutable data types, and hence the object\325s identity is less important than) 99 547.67 P -0.01 (its value. Multiple evaluations of literals with the same value \050either the same occurrence in the pro-) 99 534.67 P -0.41 0 (gram text or a different occurrence\051 may obtain the same object or a different object with the same) 99 521.67 B +(All) 99 547.67 T +(literals) 115.67 547.67 T +(correspond) 148.23 547.67 T +(to) 199.72 547.67 T +(immutable) 210.89 547.67 T +(data) 260.57 547.67 T +(types,) 281.51 547.67 T +(and) 310.1 547.67 T +(hence) 328.6 547.67 T +(the) 356.86 547.67 T +(object\325s) 372.92 547.67 T +(identity) 410.36 547.67 T +(is) 446.59 547.67 T +(less) 456.55 547.67 T +(important) 475.66 547.67 T +(than) 521.06 547.67 T +(its) 99 534.67 T +(value.) 112.15 534.67 T +(Multiple) 141.49 534.67 T +(evaluations) 182.15 534.67 T +(of) 235.01 534.67 T +(literals) 246.93 534.67 T +(with) 279.64 534.67 T +(the) 301.95 534.67 T +(same) 318.16 534.67 T +(value) 343.52 534.67 T +(\050either) 370.11 534.67 T +(the) 401.58 534.67 T +(same) 417.78 534.67 T +(occurrence) 443.15 534.67 T +(in) 494.15 534.67 T +(the) 505.47 534.67 T +(pro-) 521.67 534.67 T +(g) 99 521.67 T +(r) 104.5 521.67 T +(a) 108.17 521.67 T +(m) 113.06 521.67 T +(t) 124.79 521.67 T +(e) 127.86 521.67 T +(x) 132.75 521.67 T +(t) 138.25 521.67 T +(o) 144.48 521.67 T +(r) 149.99 521.67 T +(a) 156.82 521.67 T +(d) 164.88 521.67 T +(i) 170.39 521.67 T +(f) 173.45 521.67 T +(f) 177.12 521.67 T +(e) 180.79 521.67 T +(r) 185.68 521.67 T +(e) 189.35 521.67 T +(n) 194.23 521.67 T +(t) 199.74 521.67 T +(o) 205.97 521.67 T +(c) 211.48 521.67 T +(c) 216.37 521.67 T +(u) 221.25 521.67 T +(r) 226.76 521.67 T +(r) 230.43 521.67 T +(e) 234.1 521.67 T +(n) 238.99 521.67 T +(c) 244.49 521.67 T +(e) 249.38 521.67 T +(\051) 254.27 521.67 T +(m) 261.11 521.67 T +(a) 269.67 521.67 T +(y) 274.56 521.67 T +(o) 283.23 521.67 T +(b) 288.74 521.67 T +(t) 294.24 521.67 T +(a) 297.3 521.67 T +(i) 302.2 521.67 T +(n) 305.26 521.67 T +(t) 313.93 521.67 T +(h) 316.99 521.67 T +(e) 322.5 521.67 T +(s) 330.56 521.67 T +(a) 334.84 521.67 T +(m) 339.73 521.67 T +(e) 348.29 521.67 T +(o) 356.35 521.67 T +(b) 361.86 521.67 T +(j) 367.36 521.67 T +(e) 370.42 521.67 T +(c) 375.31 521.67 T +(t) 380.2 521.67 T +(o) 386.43 521.67 T +(r) 391.94 521.67 T +(a) 398.78 521.67 T +(d) 406.83 521.67 T +(i) 412.34 521.67 T +(f) 415.4 521.67 T +(f) 419.07 521.67 T +(e) 422.74 521.67 T +(r) 427.63 521.67 T +(e) 431.3 521.67 T +(n) 436.19 521.67 T +(t) 441.69 521.67 T +(o) 447.92 521.67 T +(b) 453.43 521.67 T +(j) 458.93 521.67 T +(e) 462 521.67 T +(c) 466.89 521.67 T +(t) 471.77 521.67 T +(w) 478.01 521.67 T +(i) 485.95 521.67 T +(t) 489.02 521.67 T +(h) 492.08 521.67 T +(t) 500.75 521.67 T +(h) 503.82 521.67 T +(e) 509.32 521.67 T +(s) 517.38 521.67 T +(a) 521.66 521.67 T +(m) 526.55 521.67 T +(e) 535.12 521.67 T (value.) 99 508.67 T 0 12 Q (5.2.3) 99 483 T @@ -8369,17 +17591,93 @@ FrameNoSep 2 10 Q (parenth_form: "\050" [expression_list] "\051") 99 445.33 T 1 11 Q --0.03 (A parenthesized expression list yields whatever that expression list yields: if the list contains at least) 99 420.67 P -0.18 (one comma, it yields a tuple; otherwise, it yields the single expression that makes up the expression) 99 407.67 P +(A) 99 420.67 T +(parenthesized) 109.66 420.67 T +(expression) 172.85 420.67 T +(list) 222.62 420.67 T +(yields) 238.79 420.67 T +(whatever) 267.79 420.67 T +(that) 310.82 420.67 T +(expression) 330.04 420.67 T +(list) 379.8 420.67 T +(yields:) 395.97 420.67 T +(if) 428.03 420.67 T +(the) 437.47 420.67 T +(list) 453.63 420.67 T +(contains) 469.8 420.67 T +(at) 509.18 420.67 T +(least) 519.84 420.67 T +(one) 99 407.67 T +(comma,) 117.81 407.67 T +(it) 155.88 407.67 T +(yields) 164.92 407.67 T +(a) 194.13 407.67 T +(tuple;) 201.94 407.67 T +(otherwise,) 229.93 407.67 T +(it) 278.38 407.67 T +(yields) 287.42 407.67 T +(the) 316.63 407.67 T +(single) 333 407.67 T +(expression) 362.21 407.67 T +(that) 412.19 407.67 T +(makes) 431.62 407.67 T +(up) 462.65 407.67 T +(the) 476.58 407.67 T +(expression) 492.95 407.67 T (list.) 99 394.67 T -0.07 (An empty pair of parentheses yields an empty tuple object. Since tuples are immutable, the rules for) 99 369.67 P +(An) 99 369.67 T +(empty) 115.26 369.67 T +(pair) 145.57 369.67 T +(of) 165.5 369.67 T +(parentheses) 177.48 369.67 T +(yields) 231.61 369.67 T +(an) 260.7 369.67 T +(empty) 273.9 369.67 T +(tuple) 304.22 369.67 T +(object.) 329.04 369.67 T +(Since) 361.49 369.67 T +(tuples) 388.75 369.67 T +(are) 417.84 369.67 T +(immutable,) 434.09 369.67 T +(the) 486.71 369.67 T +(rules) 502.97 369.67 T +(for) 527.17 369.67 T (literals apply\050i.e., two occurrences of the empty tuple may or may not yield the same object\051.) 99 356.67 T --0.08 (Note that tuples are not formed by the parentheses, but rather by use of the comma operator. The ex-) 99 331.67 P --0.53 (ception is the empty tuple, for which parentheses) 99 318.67 P +(Note) 99 331.67 T +(that) 123.06 331.67 T +(tuples) 142.24 331.67 T +(are) 171.19 331.67 T +(not) 187.29 331.67 T +(formed) 204.03 331.67 T +(by) 238.47 331.67 T +(the) 252.15 331.67 T +(parentheses,) 268.27 331.67 T +(but) 325.01 331.67 T +(rather) 341.74 331.67 T +(by) 370.07 331.67 T +(use) 383.74 331.67 T +(of) 401.08 331.67 T +(the) 412.92 331.67 T +(comma) 429.04 331.67 T +(operator.) 464.1 331.67 T +(The) 506.17 331.67 T +(ex-) 525.95 331.67 T +(ception) 99 318.67 T +(is) 133.61 318.67 T +(the) 143.16 318.67 T +(empty) 158.83 318.67 T +(tuple,) 188.55 318.67 T +(for) 215.52 318.67 T +(which) 230.57 318.67 T +(parentheses) 259.68 318.67 T 3 F --0.53 (are) 313.21 318.67 P +(are) 313.21 318.67 T 1 F --0.53 ( required \321 allowing unparenthesized \322nothing\323) 327.88 318.67 P +(required) 330.1 318.67 T +(\321) 368.97 318.67 T +(allowing) 382.19 318.67 T +(unparenthesized) 422.92 318.67 T +(\322nothing\323) 496.61 318.67 T (in expressions would cause ambiguities and allow common typos to pass uncaught.) 99 305.67 T 0 12 Q (5.2.4) 99 280 T @@ -8389,8 +17687,46 @@ FrameNoSep 2 10 Q (list_display: "[" [expression_list] "]") 99 242.33 T 1 11 Q -0.16 (A list display yields a new list object. If it has no expression list, the list object has no items. Other-) 99 217.67 P --0.06 (wise, the elements of the expression list are evaluated from left to right and inserted in the list object) 99 204.67 P +(A) 99 217.67 T +(list) 109.85 217.67 T +(display) 126.21 217.67 T +(yields) 160.9 217.67 T +(a) 190.08 217.67 T +(new) 197.88 217.67 T +(list) 219.11 217.67 T +(object.) 235.47 217.67 T +(If) 268.01 217.67 T +(it) 278.25 217.67 T +(has) 287.27 217.67 T +(no) 304.84 217.67 T +(expression) 318.75 217.67 T +(list,) 368.7 217.67 T +(the) 387.81 217.67 T +(list) 404.16 217.67 T +(object) 420.52 217.67 T +(has) 450.32 217.67 T +(no) 467.89 217.67 T +(items.) 481.8 217.67 T +(Other-) 511.29 217.67 T +(wise,) 99 204.67 T +(the) 124.6 204.67 T +(elements) 140.74 204.67 T +(of) 182.53 204.67 T +(the) 194.38 204.67 T +(expression) 210.51 204.67 T +(list) 260.25 204.67 T +(are) 276.39 204.67 T +(evaluated) 292.52 204.67 T +(from) 337.36 204.67 T +(left) 361.43 204.67 T +(to) 378.79 204.67 T +(right) 390.03 204.67 T +(and) 413.5 204.67 T +(inserted) 432.08 204.67 T +(in) 469.59 204.67 T +(the) 480.84 204.67 T +(list) 496.97 204.67 T +(object) 513.12 204.67 T (in that order.) 99 191.67 T 0 12 Q (5.2.5) 99 166 T @@ -8403,49 +17739,155 @@ FrameNoSep (key_datum: expression ":" expression) 99 104.33 T 1 11 Q (A dictionary display yields a new dictionary object) 99 79.67 T -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "28" 34 %%Page: "29" 35 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (29) 530 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 585 292.5 598.5 720 R 5 9 Q -(\245) 0 -90 592.5 720 TF -(Expressions) 0 -90 592.5 711 TF +(\245) 0 270 592.5 720 TF +(Expressions) 0 270 592.5 711 TF 585 292.5 598.5 720 R -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q -0.19 (The key/datum pairs are evaluated from left to right to define the entries of the dictionary: each key) 99 712.67 P +(The) 99 712.67 T +(key/datum) 119.04 712.67 T +(pairs) 168.43 712.67 T +(are) 192.75 712.67 T +(evaluated) 209.12 712.67 T +(from) 254.21 712.67 T +(left) 278.54 712.67 T +(to) 296.14 712.67 T +(right) 307.64 712.67 T +(to) 331.36 712.67 T +(define) 342.86 712.67 T +(the) 373.29 712.67 T +(entries) 389.67 712.67 T +(of) 421.93 712.67 T +(the) 434.04 712.67 T +(dictionary:) 450.42 712.67 T +(each) 501.02 712.67 T +(key) 524.12 712.67 T (object is used as a key into the dictionary to store the corresponding datum.) 99 699.67 T -0.41 0.14 (Restrictions on the types of the key values are listed earlier in \322The standard type hierarchy\323 on) 99 674.67 B --0.19 (page) 99 661.67 P --0.19 (12 \050to summarize, the key type should be hashable, which excludes all mutable objects\051. Clash-) 122.52 661.67 P -0.09 (es between duplicate keys are not detected; the last datum \050textually rightmost in the display\051 stored) 99 648.67 P +(R) 99 674.67 T +(e) 106.48 674.67 T +(s) 111.51 674.67 T +(t) 115.93 674.67 T +(r) 119.13 674.67 T +(i) 122.94 674.67 T +(c) 126.14 674.67 T +(t) 131.17 674.67 T +(i) 134.37 674.67 T +(o) 137.57 674.67 T +(n) 143.21 674.67 T +(s) 148.86 674.67 T +(o) 156.58 674.67 T +(n) 162.23 674.67 T +(t) 171.18 674.67 T +(h) 174.38 674.67 T +(e) 180.02 674.67 T +(t) 188.35 674.67 T +(y) 191.55 674.67 T +(p) 197.2 674.67 T +(e) 202.84 674.67 T +(s) 207.87 674.67 T +(o) 215.6 674.67 T +(f) 221.24 674.67 T +(t) 228.35 674.67 T +(h) 231.55 674.67 T +(e) 237.2 674.67 T +(k) 245.53 674.67 T +(e) 251.17 674.67 T +(y) 256.2 674.67 T +(v) 265.15 674.67 T +(a) 270.79 674.67 T +(l) 275.82 674.67 T +(u) 279.02 674.67 T +(e) 284.67 674.67 T +(s) 289.69 674.67 T +(a) 297.42 674.67 T +(r) 302.45 674.67 T +(e) 306.26 674.67 T +(l) 314.59 674.67 T +(i) 317.79 674.67 T +(s) 320.99 674.67 T +(t) 325.41 674.67 T +(e) 328.61 674.67 T +(d) 333.64 674.67 T +(e) 342.59 674.67 T +(a) 347.62 674.67 T +(r) 352.64 674.67 T +(l) 356.45 674.67 T +(i) 359.65 674.67 T +(e) 362.85 674.67 T +(r) 367.88 674.67 T +(i) 374.99 674.67 T +(n) 378.2 674.67 T +(\322) 387.14 674.67 T +(T) 392.17 674.67 T +(h) 399.04 674.67 T +(e) 404.68 674.67 T +(s) 413.01 674.67 T +(t) 417.43 674.67 T +(a) 420.64 674.67 T +(n) 425.66 674.67 T +(d) 431.31 674.67 T +(a) 436.95 674.67 T +(r) 441.98 674.67 T +(d) 445.78 674.67 T +(t) 454.73 674.67 T +(y) 457.93 674.67 T +(p) 463.58 674.67 T +(e) 469.22 674.67 T +(h) 477.55 674.67 T +(i) 483.2 674.67 T +(e) 486.4 674.67 T +(r) 491.42 674.67 T +(a) 495.23 674.67 T +(r) 500.26 674.67 T +(c) 504.07 674.67 T +(h) 509.09 674.67 T +(y) 514.74 674.67 T +(\323) 520.38 674.67 T +(o) 528.71 674.67 T +(n) 534.36 674.67 T +(page) 99 661.67 T +(12) 122.52 661.67 T +(\050to) 136.08 661.67 T +(summarize,) 150.87 661.67 T +(the) 204.45 661.67 T +(key) 220.46 661.67 T +(type) 238.9 661.67 T +(should) 260.41 661.67 T +(be) 292.31 661.67 T +(hashable,) 305.26 661.67 T +(which) 349.07 661.67 T +(excludes) 378.51 661.67 T +(all) 419.57 661.67 T +(mutable) 433.13 661.67 T +(objects\051.) 471.14 661.67 T +(Clash-) 511.28 661.67 T +(es) 99 648.67 T +(between) 111 648.67 T +(duplicate) 150.5 648.67 T +(keys) 193.66 648.67 T +(are) 216.67 648.67 T +(not) 232.94 648.67 T +(detected;) 249.84 648.67 T +(the) 292.39 648.67 T +(last) 308.67 648.67 T +(datum) 326.79 648.67 T +(\050textually) 357.13 648.67 T +(rightmost) 402.14 648.67 T +(in) 447.15 648.67 T +(the) 458.55 648.67 T +(display\051) 474.83 648.67 T +(stored) 513.12 648.67 T (for a given key value prevails.) 99 635.67 T 0 12 Q (5.2.6) 99 610 T @@ -8455,34 +17897,354 @@ FrameNoSep 2 10 Q (string_conversion: "\324" expression_list "\324") 99 572.33 T 1 11 Q -0.41 0.04 (A string conversion evaluates the contained expression list and converts the resulting object into a) 99 547.67 B +(A) 99 547.67 T +(s) 110.18 547.67 T +(t) 114.5 547.67 T +(r) 117.6 547.67 T +(i) 121.3 547.67 T +(n) 124.39 547.67 T +(g) 129.93 547.67 T +(c) 138.67 547.67 T +(o) 143.6 547.67 T +(n) 149.13 547.67 T +(v) 154.67 547.67 T +(e) 160.21 547.67 T +(r) 165.14 547.67 T +(s) 168.84 547.67 T +(i) 173.15 547.67 T +(o) 176.25 547.67 T +(n) 181.79 547.67 T +(e) 190.53 547.67 T +(v) 195.45 547.67 T +(a) 200.99 547.67 T +(l) 205.91 547.67 T +(u) 209.01 547.67 T +(a) 214.55 547.67 T +(t) 219.47 547.67 T +(e) 222.57 547.67 T +(s) 227.49 547.67 T +(t) 235.01 547.67 T +(h) 238.11 547.67 T +(e) 243.65 547.67 T +(c) 251.77 547.67 T +(o) 256.69 547.67 T +(n) 262.23 547.67 T +(t) 267.77 547.67 T +(a) 270.87 547.67 T +(i) 275.79 547.67 T +(n) 278.89 547.67 T +(e) 284.43 547.67 T +(d) 289.35 547.67 T +(e) 298.09 547.67 T +(x) 303.01 547.67 T +(p) 308.55 547.67 T +(r) 314.09 547.67 T +(e) 317.79 547.67 T +(s) 322.71 547.67 T +(s) 327.03 547.67 T +(i) 331.35 547.67 T +(o) 334.45 547.67 T +(n) 339.99 547.67 T +(l) 348.73 547.67 T +(i) 351.82 547.67 T +(s) 354.92 547.67 T +(t) 359.24 547.67 T +(a) 365.54 547.67 T +(n) 370.46 547.67 T +(d) 376 547.67 T +(c) 384.74 547.67 T +(o) 389.66 547.67 T +(n) 395.2 547.67 T +(v) 400.74 547.67 T +(e) 406.28 547.67 T +(r) 411.2 547.67 T +(t) 414.9 547.67 T +(s) 418 547.67 T +(t) 425.52 547.67 T +(h) 428.61 547.67 T +(e) 434.15 547.67 T +(r) 442.27 547.67 T +(e) 445.98 547.67 T +(s) 450.9 547.67 T +(u) 455.22 547.67 T +(l) 460.76 547.67 T +(t) 463.85 547.67 T +(i) 466.95 547.67 T +(n) 470.05 547.67 T +(g) 475.59 547.67 T +(o) 484.33 547.67 T +(b) 489.86 547.67 T +(j) 495.4 547.67 T +(e) 498.5 547.67 T +(c) 503.42 547.67 T +(t) 508.35 547.67 T +(i) 514.64 547.67 T +(n) 517.74 547.67 T +(t) 523.28 547.67 T +(o) 526.38 547.67 T +(a) 535.12 547.67 T (string according to rules specific to its type.) 99 534.67 T -0.12 (If the object is a string, a number,) 99 509.67 P -2 F -0.29 (None) 250.87 509.67 P -1 F -0.12 (, or a tuple, list or dictionary containing only objects whose) 277.27 509.67 P --0.27 (type is one of these, the resulting string is a valid Python expression which can be passed to the built-) 99 496.67 P -0.41 0.11 (in function) 99 483.67 B -2 F -0.99 0.11 (eval\050\051) 151.84 483.67 B -1 F -0.41 0.11 ( to yield an expression with the same value \050or an approximation, if floating) 192.09 483.67 B +(If) 99 509.67 T +(the) 109.19 509.67 T +(object) 125.51 509.67 T +(is) 155.26 509.67 T +(a) 165.46 509.67 T +(string,) 173.22 509.67 T +(a) 203.9 509.67 T +(number,) 211.65 509.67 T +2 F +(None) 250.87 509.67 T +1 F +(,) 277.27 509.67 T +(or) 282.89 509.67 T +(a) 294.92 509.67 T +(tuple,) 302.68 509.67 T +(list) 330.3 509.67 T +(or) 346.62 509.67 T +(dictionary) 358.65 509.67 T +(containing) 406.12 509.67 T +(only) 455.44 509.67 T +(objects) 477.86 509.67 T +(whose) 511.89 509.67 T +(type) 99 496.67 T +(is) 120.43 496.67 T +(one) 130.24 496.67 T +(of) 148.61 496.67 T +(these,) 160.26 496.67 T +(the) 188.1 496.67 T +(resulting) 204.02 496.67 T +(string) 245 496.67 T +(is) 272.55 496.67 T +(a) 282.36 496.67 T +(valid) 289.73 496.67 T +(Python) 314.21 496.67 T +(expression) 347.87 496.67 T +(which) 397.4 496.67 T +(can) 426.77 496.67 T +(be) 444.52 496.67 T +(passed) 457.39 496.67 T +(to) 489.2 496.67 T +(the) 500.24 496.67 T +(built-) 516.16 496.67 T +(i) 99 483.67 T +(n) 102.17 483.67 T +(f) 111.04 483.67 T +(u) 114.82 483.67 T +(n) 120.42 483.67 T +(c) 126.03 483.67 T +(t) 131.02 483.67 T +(i) 134.19 483.67 T +(o) 137.35 483.67 T +(n) 142.96 483.67 T +2 F +(e) 151.84 483.67 T +(v) 158.55 483.67 T +(a) 165.26 483.67 T +(l) 171.96 483.67 T +(\050) 178.67 483.67 T +(\051) 185.38 483.67 T +1 F +(t) 195.36 483.67 T +(o) 198.52 483.67 T +(y) 207.4 483.67 T +(i) 213.01 483.67 T +(e) 216.18 483.67 T +(l) 221.17 483.67 T +(d) 224.34 483.67 T +(a) 233.21 483.67 T +(n) 238.21 483.67 T +(e) 247.08 483.67 T +(x) 252.08 483.67 T +(p) 257.68 483.67 T +(r) 263.29 483.67 T +(e) 267.06 483.67 T +(s) 272.05 483.67 T +(s) 276.44 483.67 T +(i) 280.83 483.67 T +(o) 283.99 483.67 T +(n) 289.6 483.67 T +(w) 298.48 483.67 T +(i) 306.53 483.67 T +(t) 309.7 483.67 T +(h) 312.86 483.67 T +(t) 321.74 483.67 T +(h) 324.91 483.67 T +(e) 330.52 483.67 T +(s) 338.78 483.67 T +(a) 343.17 483.67 T +(m) 348.16 483.67 T +(e) 356.82 483.67 T +(v) 365.08 483.67 T +(a) 370.69 483.67 T +(l) 375.68 483.67 T +(u) 378.85 483.67 T +(e) 384.46 483.67 T +(\050) 392.72 483.67 T +(o) 396.49 483.67 T +(r) 402.1 483.67 T +(a) 409.14 483.67 T +(n) 414.13 483.67 T +(a) 423.01 483.67 T +(p) 428 483.67 T +(p) 433.61 483.67 T +(r) 439.22 483.67 T +(o) 442.99 483.67 T +(x) 448.6 483.67 T +(i) 454.21 483.67 T +(m) 457.37 483.67 T +(a) 466.04 483.67 T +(t) 471.03 483.67 T +(i) 474.2 483.67 T +(o) 477.36 483.67 T +(n) 482.97 483.67 T +(,) 488.58 483.67 T +(i) 494.71 483.67 T +(f) 497.87 483.67 T +(f) 504.91 483.67 T +(l) 508.68 483.67 T +(o) 511.85 483.67 T +(a) 517.46 483.67 T +(t) 522.45 483.67 T +(i) 525.62 483.67 T +(n) 528.78 483.67 T +(g) 534.39 483.67 T (point numbers are involved\051.) 99 470.67 T --0.29 (\050In particular, converting a string adds quotes around it and converts \322funny\323 characters to escape se-) 99 445.67 P +(\050In) 99 445.67 T +(particular,) 114.28 445.67 T +(converting) 161.64 445.67 T +(a) 211.15 445.67 T +(string) 218.49 445.67 T +(adds) 246.01 445.67 T +(quotes) 268.63 445.67 T +(around) 299.81 445.67 T +(it) 332.81 445.67 T +(and) 341.39 445.67 T +(converts) 359.73 445.67 T +(\322funny\323) 399.45 445.67 T +(characters) 437.34 445.67 T +(to) 484.39 445.67 T +(escape) 495.4 445.67 T +(se-) 527.17 445.67 T (quences that are safe to print.\051) 99 432.67 T --0.17 (It is illegal to attempt to convert recursive objects \050e.g. lists or dictionaries that contain a reference to) 99 407.67 P +(It) 99 407.67 T +(is) 108.3 407.67 T +(illegal) 118.22 407.67 T +(to) 148.3 407.67 T +(attempt) 159.43 407.67 T +(to) 195.01 407.67 T +(convert) 206.15 407.67 T +(recursive) 241.72 407.67 T +(objects) 284.62 407.67 T +(\050e.g.) 318.36 407.67 T +(lists) 340.48 407.67 T +(or) 360.8 407.67 T +(dictionaries) 372.54 407.67 T +(that) 426.45 407.67 T +(contain) 445.52 407.67 T +(a) 480.49 407.67 T +(reference) 487.95 407.67 T +(to) 531.44 407.67 T (themselves, directly or indirectly.\051) 99 394.67 T -0.21 (The built-in function) 99 369.67 P -2 F -0.51 (repr\050\051) 194.06 369.67 P -1 F -0.21 ( performs exactly the same conversion in its argument as enclosing it) 233.66 369.67 P -0.41 0.07 (in parentheses and reverse quotes does. The built-in function) 99 356.67 B -2 F -0.99 0.07 (str\050\051) 377.08 356.67 B -1 F -0.41 0.07 ( performs a similar but more) 410.43 356.67 B +(The) 99 369.67 T +(built-in) 119.07 369.67 T +(function) 154.43 369.67 T +2 F +(repr\050\051) 194.06 369.67 T +1 F +(performs) 236.62 369.67 T +(exactly) 279.3 369.67 T +(the) 314.03 369.67 T +(same) 330.43 369.67 T +(conversion) 356 369.67 T +(in) 407.23 369.67 T +(its) 418.76 369.67 T +(argument) 432.12 369.67 T +(as) 476.63 369.67 T +(enclosing) 488.76 369.67 T +(it) 533.88 369.67 T +(i) 99 356.67 T +(n) 102.13 356.67 T +(p) 110.93 356.67 T +(a) 116.5 356.67 T +(r) 121.45 356.67 T +(e) 125.18 356.67 T +(n) 130.14 356.67 T +(t) 135.71 356.67 T +(h) 138.84 356.67 T +(e) 144.4 356.67 T +(s) 149.36 356.67 T +(e) 153.71 356.67 T +(s) 158.66 356.67 T +(a) 166.24 356.67 T +(n) 171.19 356.67 T +(d) 176.76 356.67 T +(r) 185.56 356.67 T +(e) 189.3 356.67 T +(v) 194.25 356.67 T +(e) 199.82 356.67 T +(r) 204.77 356.67 T +(s) 208.51 356.67 T +(e) 212.85 356.67 T +(q) 221.04 356.67 T +(u) 226.61 356.67 T +(o) 232.18 356.67 T +(t) 237.75 356.67 T +(e) 240.88 356.67 T +(s) 245.83 356.67 T +(d) 253.41 356.67 T +(o) 258.98 356.67 T +(e) 264.55 356.67 T +(s) 269.5 356.67 T +(.) 273.85 356.67 T +(T) 279.9 356.67 T +(h) 286.69 356.67 T +(e) 292.26 356.67 T +(b) 300.45 356.67 T +(u) 306.02 356.67 T +(i) 311.58 356.67 T +(l) 314.71 356.67 T +(t) 317.84 356.67 T +(-) 320.97 356.67 T +(i) 324.7 356.67 T +(n) 327.83 356.67 T +(f) 336.63 356.67 T +(u) 340.36 356.67 T +(n) 345.93 356.67 T +(c) 351.5 356.67 T +(t) 356.45 356.67 T +(i) 359.58 356.67 T +(o) 362.71 356.67 T +(n) 368.28 356.67 T +2 F +(s) 377.08 356.67 T +(t) 383.75 356.67 T +(r) 390.42 356.67 T +(\050) 397.09 356.67 T +(\051) 403.76 356.67 T +1 F +(p) 413.66 356.67 T +(e) 419.23 356.67 T +(r) 424.18 356.67 T +(f) 427.91 356.67 T +(o) 431.65 356.67 T +(r) 437.22 356.67 T +(m) 440.95 356.67 T +(s) 449.58 356.67 T +(a) 457.16 356.67 T +(s) 465.34 356.67 T +(i) 469.69 356.67 T +(m) 472.82 356.67 T +(i) 481.45 356.67 T +(l) 484.57 356.67 T +(a) 487.7 356.67 T +(r) 492.65 356.67 T +(b) 499.62 356.67 T +(u) 505.19 356.67 T +(t) 510.76 356.67 T +(m) 517.12 356.67 T +(o) 525.74 356.67 T +(r) 531.31 356.67 T +(e) 535.04 356.67 T (user-friendly conversion.) 99 343.67 T 0 14 Q (5.3) 99 316.67 T @@ -8499,14 +18261,138 @@ FrameNoSep 2 10 Q (attributeref: primary "." identifier) 99 210.33 T 1 11 Q --0.33 (The primary must evaluate to an object of a type that supports attribute references. This object is then) 99 185.67 P --0.42 (asked to produce the attribute whose name is the identifier. If this attribute is not available, the excep-) 99 172.67 P -0.41 0.08 (tion) 99 159.67 B -2 F -0.99 0.08 (AttributeError) 119.68 159.67 B -1 F -0.41 0.08 ( is raised. Otherwise, the type and value of the object produced is deter-) 213.21 159.67 B --0.19 (mined by the object. Multiple evaluations of the same attribute reference may yield different objects.) 99 146.67 P +(The) 99 185.67 T +(primary) 118.52 185.67 T +(must) 155.77 185.67 T +(evaluate) 179.58 185.67 T +(to) 218.65 185.67 T +(an) 229.63 185.67 T +(object) 242.43 185.67 T +(of) 271.73 185.67 T +(a) 283.31 185.67 T +(type) 290.61 185.67 T +(that) 311.97 185.67 T +(supports) 330.89 185.67 T +(attribute) 370.59 185.67 T +(references.) 409.67 185.67 T +(This) 460.02 185.67 T +(object) 482 185.67 T +(is) 511.3 185.67 T +(then) 521.06 185.67 T +(asked) 99 172.67 T +(to) 126.38 172.67 T +(produce) 137.26 172.67 T +(the) 175.02 172.67 T +(attribute) 190.79 172.67 T +(whose) 229.78 172.67 T +(name) 260.21 172.67 T +(is) 286.37 172.67 T +(the) 296.03 172.67 T +(identifier.) 311.8 172.67 T +(If) 357.21 172.67 T +(this) 366.86 172.67 T +(attribute) 385.08 172.67 T +(is) 424.08 172.67 T +(not) 433.74 172.67 T +(available,) 450.13 172.67 T +(the) 494.92 172.67 T +(excep-) 510.68 172.67 T +(t) 99 159.67 T +(i) 102.14 159.67 T +(o) 105.28 159.67 T +(n) 110.86 159.67 T +2 F +(A) 119.68 159.67 T +(t) 126.36 159.67 T +(t) 133.04 159.67 T +(r) 139.72 159.67 T +(i) 146.4 159.67 T +(b) 153.08 159.67 T +(u) 159.76 159.67 T +(t) 166.44 159.67 T +(e) 173.12 159.67 T +(E) 179.8 159.67 T +(r) 186.48 159.67 T +(r) 193.16 159.67 T +(o) 199.84 159.67 T +(r) 206.52 159.67 T +1 F +(i) 216.45 159.67 T +(s) 219.59 159.67 T +(r) 227.19 159.67 T +(a) 230.93 159.67 T +(i) 235.9 159.67 T +(s) 239.03 159.67 T +(e) 243.39 159.67 T +(d) 248.36 159.67 T +(.) 253.94 159.67 T +(O) 260.01 159.67 T +(t) 268.03 159.67 T +(h) 271.17 159.67 T +(e) 276.75 159.67 T +(r) 281.72 159.67 T +(w) 285.46 159.67 T +(i) 293.48 159.67 T +(s) 296.62 159.67 T +(e) 300.98 159.67 T +(,) 305.94 159.67 T +(t) 312.02 159.67 T +(h) 315.16 159.67 T +(e) 320.74 159.67 T +(t) 328.94 159.67 T +(y) 332.08 159.67 T +(p) 337.66 159.67 T +(e) 343.24 159.67 T +(a) 351.45 159.67 T +(n) 356.41 159.67 T +(d) 361.99 159.67 T +(v) 370.82 159.67 T +(a) 376.4 159.67 T +(l) 381.36 159.67 T +(u) 384.5 159.67 T +(e) 390.08 159.67 T +(o) 398.29 159.67 T +(f) 403.87 159.67 T +(t) 410.85 159.67 T +(h) 413.99 159.67 T +(e) 419.57 159.67 T +(o) 427.78 159.67 T +(b) 433.36 159.67 T +(j) 438.94 159.67 T +(e) 442.08 159.67 T +(c) 447.04 159.67 T +(t) 452.01 159.67 T +(p) 458.39 159.67 T +(r) 463.97 159.67 T +(o) 467.71 159.67 T +(d) 473.29 159.67 T +(u) 478.87 159.67 T +(c) 484.45 159.67 T +(e) 489.42 159.67 T +(d) 494.38 159.67 T +(i) 503.2 159.67 T +(s) 506.34 159.67 T +(d) 513.95 159.67 T +(e) 519.53 159.67 T +(t) 524.49 159.67 T +(e) 527.63 159.67 T +(r) 532.59 159.67 T +(-) 536.34 159.67 T +(mined) 99 146.67 T +(by) 129.07 146.67 T +(the) 142.63 146.67 T +(object.) 158.64 146.67 T +(Multiple) 190.84 146.67 T +(evaluations) 231.3 146.67 T +(of) 283.97 146.67 T +(the) 295.7 146.67 T +(same) 311.7 146.67 T +(attribute) 336.87 146.67 T +(reference) 376.1 146.67 T +(may) 419.58 146.67 T +(yield) 441.08 146.67 T +(different) 465.65 146.67 T +(objects.) 506.09 146.67 T 0 12 Q (5.3.2) 99 121 T (Subscriptions) 144 121 T @@ -8514,59 +18400,296 @@ FrameNoSep (A subscription selects an item of a sequence \050string, tuple or list\051 or mapping \050dictionary\051 object:) 99 101.67 T 2 10 Q (subscription: primary "[" expression_list "]") 99 83.33 T -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "29" 35 %%Page: "30" 36 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (30) 76.5 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q (The primary must evaluate to an object of a sequence or mapping type.) 99 712.67 T -0.22 (If the primary is a mapping, the expression list must evaluate to an object whose value is one of the) 99 687.67 P -0.41 0.01 (keys of the mapping, and the subscription selects the value in the mapping that corresponds to that) 99 674.67 B +(If) 99 687.67 T +(the) 109.29 687.67 T +(primary) 125.7 687.67 T +(is) 163.49 687.67 T +(a) 173.8 687.67 T +(mapping,) 181.65 687.67 T +(the) 225.86 687.67 T +(expression) 242.27 687.67 T +(list) 292.29 687.67 T +(must) 308.7 687.67 T +(evaluate) 333.07 687.67 T +(to) 372.68 687.67 T +(an) 384.21 687.67 T +(object) 397.56 687.67 T +(whose) 427.41 687.67 T +(value) 458.48 687.67 T +(is) 485.27 687.67 T +(one) 495.58 687.67 T +(of) 514.43 687.67 T +(the) 526.56 687.67 T +(k) 99 674.67 T +(e) 104.51 674.67 T +(y) 109.41 674.67 T +(s) 114.93 674.67 T +(o) 122.4 674.67 T +(f) 127.92 674.67 T +(t) 134.77 674.67 T +(h) 137.84 674.67 T +(e) 143.36 674.67 T +(m) 151.44 674.67 T +(a) 160.01 674.67 T +(p) 164.91 674.67 T +(p) 170.42 674.67 T +(i) 175.94 674.67 T +(n) 179.01 674.67 T +(g) 184.53 674.67 T +(,) 190.04 674.67 T +(a) 195.98 674.67 T +(n) 200.88 674.67 T +(d) 206.4 674.67 T +(t) 215.09 674.67 T +(h) 218.16 674.67 T +(e) 223.68 674.67 T +(s) 231.76 674.67 T +(u) 236.05 674.67 T +(b) 241.56 674.67 T +(s) 247.08 674.67 T +(c) 251.37 674.67 T +(r) 256.27 674.67 T +(i) 259.95 674.67 T +(p) 263.02 674.67 T +(t) 268.54 674.67 T +(i) 271.61 674.67 T +(o) 274.68 674.67 T +(n) 280.2 674.67 T +(s) 288.89 674.67 T +(e) 293.18 674.67 T +(l) 298.08 674.67 T +(e) 301.16 674.67 T +(c) 306.06 674.67 T +(t) 310.96 674.67 T +(s) 314.03 674.67 T +(t) 321.5 674.67 T +(h) 324.57 674.67 T +(e) 330.09 674.67 T +(v) 338.17 674.67 T +(a) 343.68 674.67 T +(l) 348.58 674.67 T +(u) 351.65 674.67 T +(e) 357.17 674.67 T +(i) 365.24 674.67 T +(n) 368.32 674.67 T +(t) 377.01 674.67 T +(h) 380.08 674.67 T +(e) 385.6 674.67 T +(m) 393.67 674.67 T +(a) 402.25 674.67 T +(p) 407.15 674.67 T +(p) 412.66 674.67 T +(i) 418.18 674.67 T +(n) 421.25 674.67 T +(g) 426.76 674.67 T +(t) 435.46 674.67 T +(h) 438.53 674.67 T +(a) 444.04 674.67 T +(t) 448.94 674.67 T +(c) 455.19 674.67 T +(o) 460.09 674.67 T +(r) 465.61 674.67 T +(r) 469.29 674.67 T +(e) 472.96 674.67 T +(s) 477.86 674.67 T +(p) 482.16 674.67 T +(o) 487.67 674.67 T +(n) 493.19 674.67 T +(d) 498.7 674.67 T +(s) 504.22 674.67 T +(t) 511.69 674.67 T +(o) 514.76 674.67 T +(t) 523.45 674.67 T +(h) 526.53 674.67 T +(a) 532.04 674.67 T +(t) 536.94 674.67 T (key.) 99 661.67 T --0.22 (If the primary is a sequence, the expression \050list\051 must evaluate to a plain integer. If this value is neg-) 99 636.67 P --0.18 (ative, the length of the sequence is added to it \050so that, e.g.) 99 623.67 P -2 F --0.42 (x[-1]) 357.31 623.67 P -1 F --0.18 ( selects the last item of) 390.31 623.67 P -2 F --0.42 (x) 492.52 623.67 P -1 F --0.18 (.\051 The re-) 499.12 623.67 P -0.41 0.03 (sulting value must be a nonnegative integer less than the number of items in the sequence, and the) 99 610.67 B +(If) 99 636.67 T +(the) 108.86 636.67 T +(primary) 124.83 636.67 T +(is) 162.19 636.67 T +(a) 172.07 636.67 T +(sequence,) 179.48 636.67 T +(the) 225.08 636.67 T +(expression) 241.06 636.67 T +(\050list\051) 290.64 636.67 T +(must) 313.95 636.67 T +(evaluate) 337.88 636.67 T +(to) 377.06 636.67 T +(a) 388.15 636.67 T +(plain) 395.57 636.67 T +(integer.) 420.11 636.67 T +(If) 455.93 636.67 T +(this) 465.8 636.67 T +(value) 484.22 636.67 T +(is) 510.58 636.67 T +(neg-) 520.45 636.67 T +(ative,) 99 623.67 T +(the) 125.71 623.67 T +(length) 141.72 623.67 T +(of) 171.8 623.67 T +(the) 183.54 623.67 T +(sequence) 199.55 623.67 T +(is) 242.44 623.67 T +(added) 252.35 623.67 T +(to) 281.19 623.67 T +(it) 292.32 623.67 T +(\050so) 301.01 623.67 T +(that,) 317.03 623.67 T +(e.g.) 338.85 623.67 T +2 F +(x[-1]) 357.31 623.67 T +1 F +(selects) 392.89 623.67 T +(the) 424.79 623.67 T +(last) 440.8 623.67 T +(item) 458.65 623.67 T +(of) 480.79 623.67 T +2 F +(x) 492.52 623.67 T +1 F +(.\051) 499.12 623.67 T +(The) 508.11 623.67 T +(re-) 527.79 623.67 T +(s) 99 610.67 T +(u) 103.31 610.67 T +(l) 108.83 610.67 T +(t) 111.92 610.67 T +(i) 115 610.67 T +(n) 118.09 610.67 T +(g) 123.61 610.67 T +(v) 132.33 610.67 T +(a) 137.86 610.67 T +(l) 142.77 610.67 T +(u) 145.85 610.67 T +(e) 151.38 610.67 T +(m) 159.48 610.67 T +(u) 168.06 610.67 T +(s) 173.59 610.67 T +(t) 177.9 610.67 T +(b) 184.17 610.67 T +(e) 189.7 610.67 T +(a) 197.8 610.67 T +(n) 205.9 610.67 T +(o) 211.43 610.67 T +(n) 216.95 610.67 T +(n) 222.48 610.67 T +(e) 228.01 610.67 T +(g) 232.92 610.67 T +(a) 238.44 610.67 T +(t) 243.35 610.67 T +(i) 246.44 610.67 T +(v) 249.52 610.67 T +(e) 255.05 610.67 T +(i) 263.15 610.67 T +(n) 266.23 610.67 T +(t) 271.76 610.67 T +(e) 274.85 610.67 T +(g) 279.76 610.67 T +(e) 285.28 610.67 T +(r) 290.2 610.67 T +(l) 297.07 610.67 T +(e) 300.16 610.67 T +(s) 305.07 610.67 T +(s) 309.38 610.67 T +(t) 316.87 610.67 T +(h) 319.95 610.67 T +(a) 325.48 610.67 T +(n) 330.39 610.67 T +(t) 339.11 610.67 T +(h) 342.19 610.67 T +(e) 347.72 610.67 T +(n) 355.82 610.67 T +(u) 361.35 610.67 T +(m) 366.87 610.67 T +(b) 375.46 610.67 T +(e) 380.99 610.67 T +(r) 385.9 610.67 T +(o) 392.78 610.67 T +(f) 398.3 610.67 T +(i) 405.18 610.67 T +(t) 408.27 610.67 T +(e) 411.35 610.67 T +(m) 416.26 610.67 T +(s) 424.85 610.67 T +(i) 432.34 610.67 T +(n) 435.43 610.67 T +(t) 444.14 610.67 T +(h) 447.23 610.67 T +(e) 452.75 610.67 T +(s) 460.85 610.67 T +(e) 465.16 610.67 T +(q) 470.07 610.67 T +(u) 475.6 610.67 T +(e) 481.12 610.67 T +(n) 486.04 610.67 T +(c) 491.56 610.67 T +(e) 496.47 610.67 T +(,) 501.38 610.67 T +(a) 507.35 610.67 T +(n) 512.26 610.67 T +(d) 517.79 610.67 T +(t) 526.5 610.67 T +(h) 529.59 610.67 T +(e) 535.11 610.67 T (subscription selects the item whose index is that value \050counting from zero\051.) 99 597.67 T --0.42 (A string\325s items are characters. A character is not a separate data type but a string of exactly one char-) 99 572.67 P +(A) 99 572.67 T +(string\325s) 109.27 572.67 T +(items) 144.6 572.67 T +(are) 170.76 572.67 T +(characters.) 186.52 572.67 T +(A) 236.18 572.67 T +(character) 246.45 572.67 T +(is) 289.08 572.67 T +(not) 298.74 572.67 T +(a) 315.13 572.67 T +(separate) 322.34 572.67 T +(data) 360.7 572.67 T +(type) 381.36 572.67 T +(but) 402.63 572.67 T +(a) 419.01 572.67 T +(string) 426.22 572.67 T +(of) 453.61 572.67 T +(exactly) 465.1 572.67 T +(one) 499.19 572.67 T +(char-) 517.41 572.67 T (acter.) 99 559.67 T 0 12 Q (5.3.3) 99 534 T (Slicings) 144 534 T 1 11 Q -0.14 (A slicing selects a range of items in a sequence \050string, tuple or list\051 object. Slicings may be used as) 99 514.67 P +(A) 99 514.67 T +(slicing) 109.83 514.67 T +(selects) 142.05 514.67 T +(a) 174.26 514.67 T +(range) 182.03 514.67 T +(of) 209.35 514.67 T +(items) 221.4 514.67 T +(in) 248.12 514.67 T +(a) 259.57 514.67 T +(sequence) 267.34 514.67 T +(\050string,) 310.54 514.67 T +(tuple) 344.89 514.67 T +(or) 369.78 514.67 T +(list\051) 381.83 514.67 T +(object.) 401.83 514.67 T +(Slicings) 434.35 514.67 T +(may) 472.69 514.67 T +(be) 494.52 514.67 T +(used) 507.79 514.67 T +(as) 530.84 514.67 T (expressions or as targets in assignment or) 99 501.67 T 2 F (del) 284.45 501.67 T @@ -8586,115 +18709,622 @@ FrameNoSep (stride: expression) 99 363.33 T (ellipsis: "...") 99 351.33 T 1 11 Q --0.09 (There\325s an ambiguity in the formal syntax here: anything that looks like an expression list also looks) 99 326.67 P -0.3 (like a slice list, so any subscription can be interpreted as a slicing. Rather than further complicating) 99 313.67 P -0.41 0.09 (the syntax, this is disambiguated by declaring that in this case the interpretation as a subscription) 99 300.67 B -0.41 0.03 (takes priority over the interpretation as a slicing \050this is the case if the slice list contains no proper) 99 287.67 B --0.37 (slice nor ellipses\051. Similarly, when the slice list has exactly one short slice and no trailing comma, the) 99 274.67 P +(There\325s) 99 326.67 T +(an) 135.26 326.67 T +(ambiguity) 148.3 326.67 T +(in) 195.58 326.67 T +(the) 206.8 326.67 T +(formal) 222.9 326.67 T +(syntax) 254.89 326.67 T +(here:) 286.27 326.67 T +(anything) 310.92 326.67 T +(that) 352.09 326.67 T +(looks) 371.25 326.67 T +(like) 397.75 326.67 T +(an) 416.91 326.67 T +(expression) 429.96 326.67 T +(list) 479.66 326.67 T +(also) 495.78 326.67 T +(looks) 516.16 326.67 T +(like) 99 313.67 T +(a) 118.55 313.67 T +(slice) 126.47 313.67 T +(list,) 149.68 313.67 T +(so) 168.93 313.67 T +(any) 181.76 313.67 T +(subscription) 200.69 313.67 T +(can) 257.51 313.67 T +(be) 275.82 313.67 T +(interpreted) 289.25 313.67 T +(as) 339.95 313.67 T +(a) 352.16 313.67 T +(slicing.) 360.09 313.67 T +(Rather) 395.22 313.67 T +(than) 427.59 313.67 T +(further) 449.58 313.67 T +(complicating) 482.56 313.67 T +(t) 99 300.67 T +(h) 102.15 300.67 T +(e) 107.74 300.67 T +(s) 115.96 300.67 T +(y) 120.33 300.67 T +(n) 125.92 300.67 T +(t) 131.51 300.67 T +(a) 134.65 300.67 T +(x) 139.63 300.67 T +(,) 145.22 300.67 T +(t) 151.31 300.67 T +(h) 154.45 300.67 T +(i) 160.04 300.67 T +(s) 163.19 300.67 T +(i) 170.81 300.67 T +(s) 173.96 300.67 T +(d) 181.58 300.67 T +(i) 187.16 300.67 T +(s) 190.31 300.67 T +(a) 194.68 300.67 T +(m) 199.65 300.67 T +(b) 208.3 300.67 T +(i) 213.89 300.67 T +(g) 217.04 300.67 T +(u) 222.62 300.67 T +(a) 228.21 300.67 T +(t) 233.19 300.67 T +(e) 236.33 300.67 T +(d) 241.31 300.67 T +(b) 250.15 300.67 T +(y) 255.74 300.67 T +(d) 264.58 300.67 T +(e) 270.17 300.67 T +(c) 275.14 300.67 T +(l) 280.11 300.67 T +(a) 283.26 300.67 T +(r) 288.23 300.67 T +(i) 291.98 300.67 T +(n) 295.13 300.67 T +(g) 300.72 300.67 T +(t) 309.56 300.67 T +(h) 312.71 300.67 T +(a) 318.3 300.67 T +(t) 323.27 300.67 T +(i) 329.67 300.67 T +(n) 332.82 300.67 T +(t) 341.66 300.67 T +(h) 344.8 300.67 T +(i) 350.39 300.67 T +(s) 353.54 300.67 T +(c) 361.16 300.67 T +(a) 366.13 300.67 T +(s) 371.11 300.67 T +(e) 375.47 300.67 T +(t) 383.7 300.67 T +(h) 386.84 300.67 T +(e) 392.43 300.67 T +(i) 400.66 300.67 T +(n) 403.8 300.67 T +(t) 409.39 300.67 T +(e) 412.54 300.67 T +(r) 417.51 300.67 T +(p) 421.27 300.67 T +(r) 426.86 300.67 T +(e) 430.61 300.67 T +(t) 435.58 300.67 T +(a) 438.73 300.67 T +(t) 443.7 300.67 T +(i) 446.85 300.67 T +(o) 449.99 300.67 T +(n) 455.58 300.67 T +(a) 464.42 300.67 T +(s) 469.4 300.67 T +(a) 477.02 300.67 T +(s) 485.24 300.67 T +(u) 489.61 300.67 T +(b) 495.2 300.67 T +(s) 500.79 300.67 T +(c) 505.15 300.67 T +(r) 510.13 300.67 T +(i) 513.88 300.67 T +(p) 517.03 300.67 T +(t) 522.62 300.67 T +(i) 525.76 300.67 T +(o) 528.91 300.67 T +(n) 534.5 300.67 T +(t) 99 287.67 T +(a) 102.09 287.67 T +(k) 107.01 287.67 T +(e) 112.54 287.67 T +(s) 117.46 287.67 T +(p) 124.96 287.67 T +(r) 130.49 287.67 T +(i) 134.19 287.67 T +(o) 137.28 287.67 T +(r) 142.81 287.67 T +(i) 146.51 287.67 T +(t) 149.6 287.67 T +(y) 152.69 287.67 T +(o) 161.42 287.67 T +(v) 166.95 287.67 T +(e) 172.48 287.67 T +(r) 177.4 287.67 T +(t) 184.29 287.67 T +(h) 187.38 287.67 T +(e) 192.91 287.67 T +(i) 201.02 287.67 T +(n) 204.11 287.67 T +(t) 209.65 287.67 T +(e) 212.74 287.67 T +(r) 217.65 287.67 T +(p) 221.35 287.67 T +(r) 226.88 287.67 T +(e) 230.58 287.67 T +(t) 235.49 287.67 T +(a) 238.58 287.67 T +(t) 243.5 287.67 T +(i) 246.59 287.67 T +(o) 249.68 287.67 T +(n) 255.21 287.67 T +(a) 263.94 287.67 T +(s) 268.86 287.67 T +(a) 276.36 287.67 T +(s) 284.48 287.67 T +(l) 288.79 287.67 T +(i) 291.88 287.67 T +(c) 294.97 287.67 T +(i) 299.88 287.67 T +(n) 302.97 287.67 T +(g) 308.51 287.67 T +(\050) 317.23 287.67 T +(t) 320.93 287.67 T +(h) 324.02 287.67 T +(i) 329.55 287.67 T +(s) 332.64 287.67 T +(i) 340.15 287.67 T +(s) 343.24 287.67 T +(t) 350.75 287.67 T +(h) 353.84 287.67 T +(e) 359.37 287.67 T +(c) 367.48 287.67 T +(a) 372.4 287.67 T +(s) 377.31 287.67 T +(e) 381.62 287.67 T +(i) 389.74 287.67 T +(f) 392.83 287.67 T +(t) 399.72 287.67 T +(h) 402.81 287.67 T +(e) 408.34 287.67 T +(s) 416.45 287.67 T +(l) 420.76 287.67 T +(i) 423.85 287.67 T +(c) 426.94 287.67 T +(e) 431.86 287.67 T +(l) 439.97 287.67 T +(i) 443.06 287.67 T +(s) 446.15 287.67 T +(t) 450.46 287.67 T +(c) 456.75 287.67 T +(o) 461.67 287.67 T +(n) 467.2 287.67 T +(t) 472.73 287.67 T +(a) 475.82 287.67 T +(i) 480.74 287.67 T +(n) 483.83 287.67 T +(s) 489.36 287.67 T +(n) 496.87 287.67 T +(o) 502.4 287.67 T +(p) 511.13 287.67 T +(r) 516.66 287.67 T +(o) 520.35 287.67 T +(p) 525.89 287.67 T +(e) 531.42 287.67 T +(r) 536.34 287.67 T +(slice) 99 274.67 T +(nor) 121.54 274.67 T +(ellipses\051.) 138.59 274.67 T +(Similarly,) 180.38 274.67 T +(when) 226.46 274.67 T +(the) 252.67 274.67 T +(slice) 268.49 274.67 T +(list) 291.03 274.67 T +(has) 306.86 274.67 T +(exactly) 323.91 274.67 T +(one) 358.05 274.67 T +(short) 376.32 274.67 T +(slice) 400.7 274.67 T +(and) 423.24 274.67 T +(no) 441.51 274.67 T +(trailing) 454.89 274.67 T +(comma,) 489.04 274.67 T +(the) 526.56 274.67 T (interpretation as a simple slicing takes priority over that as an extended slicing.) 99 261.67 T -0.41 0.02 (The semantics for a simple slicing are as follows. The primary must evaluate to a sequence object.) 99 236.67 B -0.01 (The lower and upper bound expressions, if present, must evaluate to plain integers; defaults are zero) 99 223.67 P --0.17 (and the sequence\325s length, respectively. If either bound is negative, the sequence\325s length is added to) 99 210.67 P -0.38 (it. The slicing now selects all items with index) 99 197.67 P +(T) 99 236.67 T +(h) 105.74 236.67 T +(e) 111.26 236.67 T +(s) 119.34 236.67 T +(e) 123.64 236.67 T +(m) 128.54 236.67 T +(a) 137.12 236.67 T +(n) 142.02 236.67 T +(t) 147.54 236.67 T +(i) 150.62 236.67 T +(c) 153.69 236.67 T +(s) 158.6 236.67 T +(f) 166.07 236.67 T +(o) 169.76 236.67 T +(r) 175.27 236.67 T +(a) 182.13 236.67 T +(s) 190.22 236.67 T +(i) 194.52 236.67 T +(m) 197.59 236.67 T +(p) 206.17 236.67 T +(l) 211.69 236.67 T +(e) 214.76 236.67 T +(s) 222.85 236.67 T +(l) 227.15 236.67 T +(i) 230.22 236.67 T +(c) 233.3 236.67 T +(i) 238.2 236.67 T +(n) 241.28 236.67 T +(g) 246.8 236.67 T +(a) 255.5 236.67 T +(r) 260.4 236.67 T +(e) 264.08 236.67 T +(a) 272.16 236.67 T +(s) 277.07 236.67 T +(f) 284.54 236.67 T +(o) 288.23 236.67 T +(l) 293.74 236.67 T +(l) 296.82 236.67 T +(o) 299.9 236.67 T +(w) 305.42 236.67 T +(s) 313.38 236.67 T +(.) 317.67 236.67 T +(T) 323.62 236.67 T +(h) 330.36 236.67 T +(e) 335.88 236.67 T +(p) 343.96 236.67 T +(r) 349.48 236.67 T +(i) 353.17 236.67 T +(m) 356.24 236.67 T +(a) 364.82 236.67 T +(r) 369.72 236.67 T +(y) 373.4 236.67 T +(m) 382.1 236.67 T +(u) 390.68 236.67 T +(s) 396.2 236.67 T +(t) 400.49 236.67 T +(e) 406.75 236.67 T +(v) 411.65 236.67 T +(a) 417.17 236.67 T +(l) 422.08 236.67 T +(u) 425.15 236.67 T +(a) 430.67 236.67 T +(t) 435.57 236.67 T +(e) 438.65 236.67 T +(t) 446.73 236.67 T +(o) 449.81 236.67 T +(a) 458.51 236.67 T +(s) 466.59 236.67 T +(e) 470.89 236.67 T +(q) 475.79 236.67 T +(u) 481.31 236.67 T +(e) 486.83 236.67 T +(n) 491.73 236.67 T +(c) 497.25 236.67 T +(e) 502.15 236.67 T +(o) 510.24 236.67 T +(b) 515.75 236.67 T +(j) 521.27 236.67 T +(e) 524.35 236.67 T +(c) 529.25 236.67 T +(t) 534.15 236.67 T +(.) 537.23 236.67 T +(The) 99 223.67 T +(lower) 118.87 223.67 T +(and) 146.68 223.67 T +(upper) 165.32 223.67 T +(bound) 193.13 223.67 T +(expressions,) 223.39 223.67 T +(if) 280.23 223.67 T +(present,) 289.71 223.67 T +(must) 326.99 223.67 T +(evaluate) 351.15 223.67 T +(to) 390.56 223.67 T +(plain) 401.88 223.67 T +(integers;) 426.64 223.67 T +(defaults) 467.29 223.67 T +(are) 504.88 223.67 T +(zero) 521.07 223.67 T +(and) 99 210.67 T +(the) 117.46 210.67 T +(sequence\325s) 133.48 210.67 T +(length,) 184.32 210.67 T +(respectively.) 217.15 210.67 T +(If) 275.63 210.67 T +(either) 285.53 210.67 T +(bound) 313.16 210.67 T +(is) 343.23 210.67 T +(negative,) 353.15 210.67 T +(the) 395.75 210.67 T +(sequence\325s) 411.77 210.67 T +(length) 462.6 210.67 T +(is) 492.68 210.67 T +(added) 502.6 210.67 T +(to) 531.44 210.67 T +(it.) 99 197.67 T +(The) 111 197.67 T +(slicing) 131.23 197.67 T +(now) 163.7 197.67 T +(selects) 185.77 197.67 T +(all) 218.22 197.67 T +(items) 232.35 197.67 T +(with) 259.32 197.67 T +(index) 282 197.67 T 3 F -0.38 (k) 309.58 197.67 P +(k) 309.58 197.67 T 1 F -0.38 ( such that) 314.46 197.67 P +(such) 317.59 197.67 T +(that) 340.88 197.67 T 3 F -0.38 (i) 360.51 197.67 P +(i) 360.51 197.67 T 1 F -0.38 ( <=) 363.57 197.67 P +(<=) 366.7 197.67 T 3 F -0.38 (k) 382.23 197.67 P +(k) 382.23 197.67 T 1 F -0.38 ( <) 387.12 197.67 P +(<) 390.25 197.67 T 3 F -0.38 (j) 399.58 197.67 P +(j) 399.58 197.67 T 1 F -0.38 ( where) 402.64 197.67 P +(where) 405.77 197.67 T 3 F -0.38 (i) 435.77 197.67 P +(i) 435.77 197.67 T 1 F -0.38 ( and) 438.83 197.67 P +(and) 441.96 197.67 T 3 F -0.38 (j) 460.97 197.67 P -1 F -0.38 ( are the specified) 464.03 197.67 P -0.41 0.06 (lower and upper bounds. This may be an empty sequence. It is not an error if) 99 184.67 B +(j) 460.97 197.67 T +1 F +(are) 467.16 197.67 T +(the) 483.72 197.67 T +(specified) 500.29 197.67 T +(l) 99 184.67 T +(o) 102.12 184.67 T +(w) 107.68 184.67 T +(e) 115.69 184.67 T +(r) 120.64 184.67 T +(a) 127.59 184.67 T +(n) 132.53 184.67 T +(d) 138.1 184.67 T +(u) 146.88 184.67 T +(p) 152.45 184.67 T +(p) 158.01 184.67 T +(e) 163.57 184.67 T +(r) 168.52 184.67 T +(b) 175.47 184.67 T +(o) 181.03 184.67 T +(u) 186.6 184.67 T +(n) 192.16 184.67 T +(d) 197.72 184.67 T +(s) 203.28 184.67 T +(.) 207.63 184.67 T +(T) 213.66 184.67 T +(h) 220.45 184.67 T +(i) 226.01 184.67 T +(s) 229.13 184.67 T +(m) 236.7 184.67 T +(a) 245.32 184.67 T +(y) 250.27 184.67 T +(b) 259.05 184.67 T +(e) 264.62 184.67 T +(a) 272.79 184.67 T +(n) 277.73 184.67 T +(e) 286.52 184.67 T +(m) 291.47 184.67 T +(p) 300.09 184.67 T +(t) 305.65 184.67 T +(y) 308.77 184.67 T +(s) 317.56 184.67 T +(e) 321.9 184.67 T +(q) 326.85 184.67 T +(u) 332.41 184.67 T +(e) 337.98 184.67 T +(n) 342.92 184.67 T +(c) 348.49 184.67 T +(e) 353.43 184.67 T +(.) 358.38 184.67 T +(I) 364.42 184.67 T +(t) 368.14 184.67 T +(i) 374.49 184.67 T +(s) 377.61 184.67 T +(n) 385.18 184.67 T +(o) 390.74 184.67 T +(t) 396.3 184.67 T +(a) 402.65 184.67 T +(n) 407.6 184.67 T +(e) 416.38 184.67 T +(r) 421.33 184.67 T +(r) 425.06 184.67 T +(o) 428.78 184.67 T +(r) 434.35 184.67 T +(i) 441.3 184.67 T +(f) 444.42 184.67 T 3 F -0.41 0.06 (i) 451.37 184.67 B +(i) 451.37 184.67 T 1 F -0.41 0.06 ( or) 454.49 184.67 B +(o) 457.71 184.67 T +(r) 463.28 184.67 T 3 F -0.41 0.06 (j) 470.23 184.67 B -1 F -0.41 0.06 ( lie outside the) 473.35 184.67 B +(j) 470.23 184.67 T +1 F +(l) 476.57 184.67 T +(i) 479.7 184.67 T +(e) 482.82 184.67 T +(o) 490.99 184.67 T +(u) 496.55 184.67 T +(t) 502.11 184.67 T +(s) 505.23 184.67 T +(i) 509.58 184.67 T +(d) 512.7 184.67 T +(e) 518.26 184.67 T +(t) 526.43 184.67 T +(h) 529.55 184.67 T +(e) 535.11 184.67 T (range of valid indexes \050such items don\325t exist so they aren\325t selected\051.) 99 171.67 T --0.35 (The semantics for an extended slicing are as follows. The primary must evaluate to a mapping object,) 99 146.67 P --0.01 (and it is indexed with a key that is constructed from the slice list, as follows. If the slice list contains) 99 133.67 P --0.42 (at least one comma, the key is a tuple containing the conversion of the slice items; otherwise, the con-) 99 120.67 P --0.39 (version of the lone slice item is the key. The conversion of a slice item that is an expression is that ex-) 99 107.67 P --0.38 (pression. The conversion of an ellipsis slice item is the built-in) 99 94.67 P -2 F --0.9 (Ellipsis) 373.53 94.67 P -1 F --0.38 ( object. The conversion of) 426.33 94.67 P -0 0 0 1 0 0 0 K +(The) 99 146.67 T +(semantics) 118.5 146.67 T +(for) 164.28 146.67 T +(an) 179.51 146.67 T +(extended) 192.29 146.67 T +(slicing) 234.4 146.67 T +(are) 266.13 146.67 T +(as) 281.96 146.67 T +(follows.) 293.52 146.67 T +(The) 331.67 146.67 T +(primary) 351.17 146.67 T +(must) 388.39 146.67 T +(evaluate) 412.18 146.67 T +(to) 451.23 146.67 T +(a) 462.19 146.67 T +(mapping) 469.47 146.67 T +(object,) 510.37 146.67 T +(and) 99 133.67 T +(it) 117.62 133.67 T +(is) 126.48 133.67 T +(indexed) 136.56 133.67 T +(with) 174.12 133.67 T +(a) 196.42 133.67 T +(key) 204.05 133.67 T +(that) 222.67 133.67 T +(is) 241.91 133.67 T +(constructed) 251.99 133.67 T +(from) 305.44 133.67 T +(the) 329.57 133.67 T +(slice) 345.75 133.67 T +(list,) 368.65 133.67 T +(as) 387.6 133.67 T +(follows.) 399.5 133.67 T +(If) 437.99 133.67 T +(the) 448.06 133.67 T +(slice) 464.24 133.67 T +(list) 487.14 133.67 T +(contains) 503.34 133.67 T +(at) 99 120.67 T +(least) 109.28 120.67 T +(one) 131.77 120.67 T +(comma,) 149.99 120.67 T +(the) 187.46 120.67 T +(key) 203.23 120.67 T +(is) 221.45 120.67 T +(a) 231.12 120.67 T +(tuple) 238.34 120.67 T +(containing) 262.67 120.67 T +(the) 311.45 120.67 T +(conversion) 327.23 120.67 T +(of) 377.83 120.67 T +(the) 389.32 120.67 T +(slice) 405.1 120.67 T +(items;) 427.6 120.67 T +(otherwise,) 456.83 120.67 T +(the) 504.68 120.67 T +(con-) 520.45 120.67 T +(version) 99 107.67 T +(of) 133.75 107.67 T +(the) 145.27 107.67 T +(lone) 161.08 107.67 T +(slice) 182.39 107.67 T +(item) 204.91 107.67 T +(is) 226.84 107.67 T +(the) 236.54 107.67 T +(key.) 252.34 107.67 T +(The) 273.34 107.67 T +(conversion) 292.81 107.67 T +(of) 343.44 107.67 T +(a) 354.97 107.67 T +(slice) 362.22 107.67 T +(item) 384.74 107.67 T +(that) 406.66 107.67 T +(is) 425.53 107.67 T +(an) 435.23 107.67 T +(expression) 447.98 107.67 T +(is) 497.39 107.67 T +(that) 507.09 107.67 T +(ex-) 525.95 107.67 T +(pression.) 99 94.67 T +(The) 140.79 94.67 T +(conversion) 160.27 94.67 T +(of) 210.91 94.67 T +(an) 222.45 94.67 T +(ellipsis) 235.21 94.67 T +(slice) 268.76 94.67 T +(item) 291.3 94.67 T +(is) 313.23 94.67 T +(the) 322.94 94.67 T +(built-in) 338.76 94.67 T +2 F +(Ellipsis) 373.53 94.67 T +1 F +(object.) 428.7 94.67 T +(The) 460.71 94.67 T +(conversion) 480.19 94.67 T +(of) 530.84 94.67 T FMENDPAGE %%EndPage: "30" 36 %%Page: "31" 37 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (31) 530 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 585 292.5 598.5 720 R 5 9 Q -(\245) 0 -90 592.5 720 TF -(Expressions) 0 -90 592.5 711 TF +(\245) 0 270 592.5 720 TF +(Expressions) 0 270 592.5 711 TF 585 292.5 598.5 720 R -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q --0.18 (a proper slice is a slice object \050see page) 99 712.67 P --0.18 (17\051 whose) 273.78 712.67 P -2 F --0.44 (start) 321.68 712.67 P -1 F --0.18 (,) 354.68 712.67 P -2 F --0.44 (stop) 360 712.67 P -1 F --0.18 ( and) 386.4 712.67 P -2 F --0.44 (step) 407.42 712.67 P -1 F --0.18 ( attributes are the values) 433.82 712.67 P --0.17 (of the expressions given as lower bound, upper bound and stride, respectively, substituting) 99 699.67 P -2 F --0.42 (None) 498.2 699.67 P -1 F --0.17 ( for) 524.6 699.67 P +(a) 99 712.67 T +(proper) 106.45 712.67 T +(slice) 137.73 712.67 T +(is) 160.46 712.67 T +(a) 170.36 712.67 T +(slice) 177.81 712.67 T +(object) 200.54 712.67 T +(\050see) 229.99 712.67 T +(page) 250.26 712.67 T +(17\051) 273.78 712.67 T +(whose) 291.01 712.67 T +2 F +(start) 321.68 712.67 T +1 F +(,) 354.68 712.67 T +2 F +(stop) 360 712.67 T +1 F +(and) 388.96 712.67 T +2 F +(step) 407.42 712.67 T +1 F +(attributes) 436.38 712.67 T +(are) 479.89 712.67 T +(the) 495.89 712.67 T +(values) 511.89 712.67 T +(of) 99 699.67 T +(the) 110.74 699.67 T +(expressions) 126.76 699.67 T +(given) 180.66 699.67 T +(as) 207.68 699.67 T +(lower) 219.42 699.67 T +(bound,) 247.04 699.67 T +(upper) 279.87 699.67 T +(bound) 307.49 699.67 T +(and) 337.57 699.67 T +(stride,) 356.03 699.67 T +(respectively,) 385.8 699.67 T +(substituting) 444.27 699.67 T +2 F +(None) 498.2 699.67 T +1 F +(for) 527.17 699.67 T (missing expressions.) 99 686.67 T 0 12 Q (5.3.4) 99 661 T @@ -8710,131 +19340,1013 @@ FrameNoSep (keyword_item: identifier "=" expression) 99 563.33 T 1 11 Q (A trailing comma may be present after an argument list but does not affect the semantics.) 99 538.67 T --0.32 (The primary must evaluate to a callable object \050user-defined functions, built-in functions, methods of) 99 513.67 P -0.22 (built-in objects, class objects, methods of class instances, and certain class instances themselves are) 99 500.67 P --0.15 (callable; extensions may define additional callable object types\051. All argument expressions are eval-) 99 487.67 P --0.05 (uated before the call is attempted. Please refer to \322Function definitions\323 on page) 99 474.67 P --0.05 (50 for the syntax of) 454.04 474.67 P +(The) 99 513.67 T +(primary) 118.54 513.67 T +(must) 155.8 513.67 T +(evaluate) 179.62 513.67 T +(to) 218.71 513.67 T +(a) 229.7 513.67 T +(callable) 237.02 513.67 T +(object) 273.66 513.67 T +(\050user-defined) 302.98 513.67 T +(functions,) 364.05 513.67 T +(built-in) 410.17 513.67 T +(functions,) 445 513.67 T +(methods) 491.12 513.67 T +(of) 530.84 513.67 T +(built-in) 99 500.67 T +(objects,) 134.37 500.67 T +(class) 171.26 500.67 T +(objects,) 195.61 500.67 T +(methods) 232.5 500.67 T +(of) 272.75 500.67 T +(class) 284.89 500.67 T +(instances,) 309.24 500.67 T +(and) 355.29 500.67 T +(certain) 374.15 500.67 T +(class) 407.05 500.67 T +(instances) 431.41 500.67 T +(themselves) 474.71 500.67 T +(are) 526.57 500.67 T +(callable;) 99 487.67 T +(extensions) 138.87 487.67 T +(may) 187.91 487.67 T +(define) 209.45 487.67 T +(additional) 239.54 487.67 T +(callable) 286.13 487.67 T +(object) 322.94 487.67 T +(types\051.) 352.42 487.67 T +(All) 387.26 487.67 T +(argument) 403.91 487.67 T +(expressions) 448.06 487.67 T +(are) 501.98 487.67 T +(eval-) 518.01 487.67 T +(uated) 99 474.67 T +(before) 125.53 474.67 T +(the) 156.33 474.67 T +(call) 172.47 474.67 T +(is) 191.06 474.67 T +(attempted.) 201.1 474.67 T +(Please) 249.94 474.67 T +(refer) 280.74 474.67 T +(to) 304.2 474.67 T +(\322Function) 315.47 474.67 T +(definitions\323) 362.17 474.67 T +(on) 416.81 474.67 T +(page) 430.52 474.67 T +(50) 454.04 474.67 T +(for) 467.74 474.67 T +(the) 483.27 474.67 T +(syntax) 499.41 474.67 T +(of) 530.84 474.67 T (formal parameter lists.) 99 461.67 T -0.08 (If keyword arguments are present, they are first converted to positional arguments, as follows. First,) 99 436.67 P -0.3 (a list of unfilled slots is created for the formal parameters. If there are N positional arguments, they) 99 423.67 P --0.47 (are placed in the first N slots. Next, for each keyword argument, the identifier is used to determine the) 99 410.67 P -0.41 0.06 (corresponding slot \050if the identifier is the same as the first formal parameter name, the first slot is) 99 397.67 B --0.16 (used, and so on\051. If the slot is already filled, a) 99 384.67 P -2 F --0.38 (TypeError) 300.71 384.67 P -1 F --0.16 ( exception is raised. Otherwise, the value) 360.11 384.67 P --0.06 (of the argument is placed in the slot, filling it \050even if the expression is) 99 371.67 P -2 F --0.15 (None) 412.16 371.67 P -1 F --0.06 (, it fills the slot\051. When) 438.56 371.67 P --0.52 (all arguments have been processed, the slots that are still unfilled are filled with the corresponding de-) 99 358.67 P --0.38 (fault value from the function definition. \050Default values are calculated, once, when the function is de-) 99 345.67 P -0.41 0.04 (fined; thus, a mutable object such as a list or dictionary used as default value will be shared by all) 99 332.67 B --0.3 (calls that don\325t specify an argument value for the corresponding slot; this should usually be avoided.\051) 99 319.67 P -0.41 0.08 (If there are any unfilled slots for which no default value is specified, a) 99 306.67 B -2 F -0.99 0.08 (TypeError) 422.4 306.67 B -1 F -0.41 0.08 ( exception is) 482.56 306.67 B +(If) 99 436.67 T +(keyword) 109.15 436.67 T +(arguments) 150.47 436.67 T +(are) 199.12 436.67 T +(present,) 215.38 436.67 T +(they) 252.73 436.67 T +(are) 274.49 436.67 T +(first) 290.75 436.67 T +(converted) 311.3 436.67 T +(to) 357.5 436.67 T +(positional) 368.88 436.67 T +(arguments,) 415.11 436.67 T +(as) 466.51 436.67 T +(follows.) 478.5 436.67 T +(First,) 517.08 436.67 T +(a) 99 423.67 T +(list) 106.93 423.67 T +(of) 123.43 423.67 T +(unfilled) 135.64 423.67 T +(slots) 172.91 423.67 T +(is) 196.13 423.67 T +(created) 206.52 423.67 T +(for) 241.32 423.67 T +(the) 257.2 423.67 T +(formal) 273.68 423.67 T +(parameters.) 306.06 423.67 T +(If) 360.11 423.67 T +(there) 370.49 423.67 T +(are) 395.52 423.67 T +(N) 412 423.67 T +(positional) 422.99 423.67 T +(arguments,) 469.43 423.67 T +(they) 521.06 423.67 T +(are) 99 410.67 T +(placed) 114.71 410.67 T +(in) 145.71 410.67 T +(the) 156.55 410.67 T +(first) 172.28 410.67 T +(N) 192.28 410.67 T +(slots.) 202.51 410.67 T +(Next,) 227.72 410.67 T +(for) 254.14 410.67 T +(each) 269.25 410.67 T +(keyword) 291.68 410.67 T +(argument,) 332.46 410.67 T +(the) 379.04 410.67 T +(identifier) 394.76 410.67 T +(is) 437.37 410.67 T +(used) 446.99 410.67 T +(to) 469.44 410.67 T +(determine) 480.28 410.67 T +(the) 526.56 410.67 T +(c) 99 397.67 T +(o) 103.94 397.67 T +(r) 109.51 397.67 T +(r) 113.23 397.67 T +(e) 116.96 397.67 T +(s) 121.9 397.67 T +(p) 126.24 397.67 T +(o) 131.8 397.67 T +(n) 137.37 397.67 T +(d) 142.93 397.67 T +(i) 148.49 397.67 T +(n) 151.61 397.67 T +(g) 157.17 397.67 T +(s) 165.96 397.67 T +(l) 170.29 397.67 T +(o) 173.41 397.67 T +(t) 178.98 397.67 T +(\050) 185.32 397.67 T +(i) 189.04 397.67 T +(f) 192.16 397.67 T +(t) 199.11 397.67 T +(h) 202.23 397.67 T +(e) 207.79 397.67 T +(i) 215.96 397.67 T +(d) 219.08 397.67 T +(e) 224.64 397.67 T +(n) 229.59 397.67 T +(t) 235.15 397.67 T +(i) 238.27 397.67 T +(f) 241.39 397.67 T +(i) 245.11 397.67 T +(e) 248.23 397.67 T +(r) 253.18 397.67 T +(i) 260.13 397.67 T +(s) 263.25 397.67 T +(t) 270.81 397.67 T +(h) 273.93 397.67 T +(e) 279.49 397.67 T +(s) 287.66 397.67 T +(a) 292 397.67 T +(m) 296.95 397.67 T +(e) 305.57 397.67 T +(a) 313.74 397.67 T +(s) 318.68 397.67 T +(t) 326.25 397.67 T +(h) 329.37 397.67 T +(e) 334.93 397.67 T +(f) 343.1 397.67 T +(i) 346.82 397.67 T +(r) 349.94 397.67 T +(s) 353.67 397.67 T +(t) 358.01 397.67 T +(f) 364.35 397.67 T +(o) 368.08 397.67 T +(r) 373.64 397.67 T +(m) 377.36 397.67 T +(a) 385.98 397.67 T +(l) 390.93 397.67 T +(p) 397.27 397.67 T +(a) 402.83 397.67 T +(r) 407.78 397.67 T +(a) 411.5 397.67 T +(m) 416.45 397.67 T +(e) 425.07 397.67 T +(t) 430.01 397.67 T +(e) 433.13 397.67 T +(r) 438.08 397.67 T +(n) 445.02 397.67 T +(a) 450.59 397.67 T +(m) 455.53 397.67 T +(e) 464.15 397.67 T +(,) 469.1 397.67 T +(t) 475.13 397.67 T +(h) 478.25 397.67 T +(e) 483.81 397.67 T +(f) 491.98 397.67 T +(i) 495.71 397.67 T +(r) 498.83 397.67 T +(s) 502.55 397.67 T +(t) 506.89 397.67 T +(s) 513.23 397.67 T +(l) 517.58 397.67 T +(o) 520.7 397.67 T +(t) 526.26 397.67 T +(i) 532.6 397.67 T +(s) 535.72 397.67 T +(used,) 99 384.67 T +(and) 124.5 384.67 T +(so) 142.98 384.67 T +(on\051.) 155.35 384.67 T +(If) 175.35 384.67 T +(the) 185.27 384.67 T +(slot) 201.3 384.67 T +(is) 219.78 384.67 T +(already) 229.71 384.67 T +(filled,) 264.67 384.67 T +(a) 293.23 384.67 T +2 F +(TypeError) 300.71 384.67 T +1 F +(exception) 362.7 384.67 T +(is) 408.06 384.67 T +(raised.) 417.98 384.67 T +(Otherwise,) 449.59 384.67 T +(the) 500.14 384.67 T +(value) 516.17 384.67 T +(of) 99 371.67 T +(the) 110.85 371.67 T +(argument) 126.98 371.67 T +(is) 171.22 371.67 T +(placed) 181.24 371.67 T +(in) 212.64 371.67 T +(the) 223.89 371.67 T +(slot,) 240.02 371.67 T +(filling) 261.35 371.67 T +(it) 290.93 371.67 T +(\050even) 299.74 371.67 T +(if) 326.86 371.67 T +(the) 336.27 371.67 T +(expression) 352.4 371.67 T +(is) 402.13 371.67 T +2 F +(None) 412.16 371.67 T +1 F +(,) 438.56 371.67 T +(it) 444 371.67 T +(fills) 452.8 371.67 T +(the) 472.61 371.67 T +(slot\051.) 488.73 371.67 T +(When) 513.73 371.67 T +(all) 99 358.67 T +(arguments) 112.22 358.67 T +(have) 160.28 358.67 T +(been) 183.27 358.67 T +(processed,) 206.26 358.67 T +(the) 254.61 358.67 T +(slots) 270.28 358.67 T +(that) 292.68 358.67 T +(are) 311.4 358.67 T +(still) 327.06 358.67 T +(unfilled) 345.8 358.67 T +(are) 382.24 358.67 T +(filled) 397.9 358.67 T +(with) 423.35 358.67 T +(the) 445.13 358.67 T +(corresponding) 460.8 358.67 T +(de-) 525.95 358.67 T +(fault) 99 345.67 T +(value) 121.54 345.67 T +(from) 147.74 345.67 T +(the) 171.5 345.67 T +(function) 187.32 345.67 T +(definition.) 226.35 345.67 T +(\050Default) 274.26 345.67 T +(values) 313.29 345.67 T +(are) 343.77 345.67 T +(calculated,) 359.57 345.67 T +(once,) 409.29 345.67 T +(when) 435.18 345.67 T +(the) 461.39 345.67 T +(function) 477.2 345.67 T +(is) 516.24 345.67 T +(de-) 525.95 345.67 T +(f) 99 332.67 T +(i) 102.7 332.67 T +(n) 105.79 332.67 T +(e) 111.33 332.67 T +(d) 116.25 332.67 T +(;) 121.78 332.67 T +(t) 128.08 332.67 T +(h) 131.17 332.67 T +(u) 136.71 332.67 T +(s) 142.24 332.67 T +(,) 146.56 332.67 T +(a) 152.54 332.67 T +(m) 160.66 332.67 T +(u) 169.25 332.67 T +(t) 174.79 332.67 T +(a) 177.88 332.67 T +(b) 182.8 332.67 T +(l) 188.34 332.67 T +(e) 191.43 332.67 T +(o) 199.55 332.67 T +(b) 205.08 332.67 T +(j) 210.62 332.67 T +(e) 213.71 332.67 T +(c) 218.63 332.67 T +(t) 223.55 332.67 T +(s) 229.85 332.67 T +(u) 234.16 332.67 T +(c) 239.7 332.67 T +(h) 244.62 332.67 T +(a) 253.35 332.67 T +(s) 258.27 332.67 T +(a) 265.78 332.67 T +(l) 273.9 332.67 T +(i) 276.99 332.67 T +(s) 280.09 332.67 T +(t) 284.4 332.67 T +(o) 290.7 332.67 T +(r) 296.23 332.67 T +(d) 303.13 332.67 T +(i) 308.66 332.67 T +(c) 311.76 332.67 T +(t) 316.68 332.67 T +(i) 319.77 332.67 T +(o) 322.86 332.67 T +(n) 328.4 332.67 T +(a) 333.94 332.67 T +(r) 338.86 332.67 T +(y) 342.55 332.67 T +(u) 351.29 332.67 T +(s) 356.82 332.67 T +(e) 361.14 332.67 T +(d) 366.06 332.67 T +(a) 374.79 332.67 T +(s) 379.71 332.67 T +(d) 387.23 332.67 T +(e) 392.76 332.67 T +(f) 397.68 332.67 T +(a) 401.38 332.67 T +(u) 406.3 332.67 T +(l) 411.83 332.67 T +(t) 414.93 332.67 T +(v) 421.22 332.67 T +(a) 426.76 332.67 T +(l) 431.68 332.67 T +(u) 434.77 332.67 T +(e) 440.31 332.67 T +(w) 448.42 332.67 T +(i) 456.4 332.67 T +(l) 459.49 332.67 T +(l) 462.59 332.67 T +(b) 468.88 332.67 T +(e) 474.42 332.67 T +(s) 482.54 332.67 T +(h) 486.85 332.67 T +(a) 492.39 332.67 T +(r) 497.3 332.67 T +(e) 501 332.67 T +(d) 505.92 332.67 T +(b) 514.66 332.67 T +(y) 520.19 332.67 T +(a) 528.93 332.67 T +(l) 533.85 332.67 T +(l) 536.94 332.67 T +(calls) 99 319.67 T +(that) 121.62 319.67 T +(don\325t) 140.57 319.67 T +(specify) 166.24 319.67 T +(an) 200.47 319.67 T +(argument) 213.3 319.67 T +(value) 257.3 319.67 T +(for) 283.58 319.67 T +(the) 298.86 319.67 T +(corresponding) 314.76 319.67 T +(slot;) 380.14 319.67 T +(this) 401.55 319.67 T +(should) 419.9 319.67 T +(usually) 451.69 319.67 T +(be) 485.92 319.67 T +(avoided.\051) 498.76 319.67 T +(I) 99 306.67 T +(f) 102.75 306.67 T +(t) 109.74 306.67 T +(h) 112.88 306.67 T +(e) 118.47 306.67 T +(r) 123.44 306.67 T +(e) 127.18 306.67 T +(a) 135.4 306.67 T +(r) 140.37 306.67 T +(e) 144.12 306.67 T +(a) 152.33 306.67 T +(n) 157.3 306.67 T +(y) 162.88 306.67 T +(u) 171.71 306.67 T +(n) 177.3 306.67 T +(f) 182.88 306.67 T +(i) 186.63 306.67 T +(l) 189.77 306.67 T +(l) 192.92 306.67 T +(e) 196.06 306.67 T +(d) 201.03 306.67 T +(s) 209.86 306.67 T +(l) 214.22 306.67 T +(o) 217.37 306.67 T +(t) 222.95 306.67 T +(s) 226.09 306.67 T +(f) 233.7 306.67 T +(o) 237.45 306.67 T +(r) 243.03 306.67 T +(w) 250.03 306.67 T +(h) 258.05 306.67 T +(i) 263.64 306.67 T +(c) 266.78 306.67 T +(h) 271.75 306.67 T +(n) 280.58 306.67 T +(o) 286.17 306.67 T +(d) 295 306.67 T +(e) 300.58 306.67 T +(f) 305.55 306.67 T +(a) 309.3 306.67 T +(u) 314.27 306.67 T +(l) 319.85 306.67 T +(t) 322.99 306.67 T +(v) 329.38 306.67 T +(a) 334.97 306.67 T +(l) 339.93 306.67 T +(u) 343.08 306.67 T +(e) 348.66 306.67 T +(i) 356.88 306.67 T +(s) 360.02 306.67 T +(s) 367.63 306.67 T +(p) 371.99 306.67 T +(e) 377.58 306.67 T +(c) 382.55 306.67 T +(i) 387.52 306.67 T +(f) 390.66 306.67 T +(i) 394.4 306.67 T +(e) 397.55 306.67 T +(d) 402.52 306.67 T +(,) 408.1 306.67 T +(a) 414.18 306.67 T +2 F +(T) 422.4 306.67 T +(y) 429.08 306.67 T +(p) 435.77 306.67 T +(e) 442.45 306.67 T +(E) 449.13 306.67 T +(r) 455.82 306.67 T +(r) 462.5 306.67 T +(o) 469.19 306.67 T +(r) 475.87 306.67 T +1 F +(e) 485.8 306.67 T +(x) 490.77 306.67 T +(c) 496.36 306.67 T +(e) 501.33 306.67 T +(p) 506.29 306.67 T +(t) 511.88 306.67 T +(i) 515.02 306.67 T +(o) 518.16 306.67 T +(n) 523.75 306.67 T +(i) 532.58 306.67 T +(s) 535.72 306.67 T (raised. Otherwise, the list of filled slots is used as the argument list for the call.) 99 293.67 T -0.27 (If there are more positional arguments than there are formal parameter slots, a) 99 268.67 P -2 F -0.64 (TypeError) 448.27 268.67 P -1 F -0.27 ( excep-) 507.67 268.67 P -0.13 (tion is raised, unless a formal parameter using the syntax\324\324) 99 255.67 P -2 F -0.31 (*identifier) 357.39 255.67 P -1 F -0.13 (\325\325 is present; in this case,) 429.99 255.67 P --0.05 (that formal parameter receives a tuple containing the excess positional arguments \050or an empty tuple) 99 242.67 P +(If) 99 268.67 T +(there) 109.34 268.67 T +(are) 134.35 268.67 T +(more) 150.8 268.67 T +(positional) 176.42 268.67 T +(arguments) 222.83 268.67 T +(than) 271.67 268.67 T +(there) 293.63 268.67 T +(are) 318.64 268.67 T +(formal) 335.09 268.67 T +(parameter) 367.43 268.67 T +(slots,) 414.42 268.67 T +(a) 440.37 268.67 T +2 F +(TypeError) 448.27 268.67 T +1 F +(excep-) 510.68 268.67 T +(tion) 99 255.67 T +(is) 118.99 255.67 T +(raised,) 129.21 255.67 T +(unless) 161.1 255.67 T +(a) 191.48 255.67 T +(formal) 199.24 255.67 T +(parameter) 231.45 255.67 T +(using) 278.3 255.67 T +(the) 305.02 255.67 T +(syntax\324\324) 321.34 255.67 T +2 F +(*identifier) 357.39 255.67 T +1 F +(\325\325) 429.99 255.67 T +(is) 440.19 255.67 T +(present;) 450.41 255.67 T +(in) 488.11 255.67 T +(this) 499.55 255.67 T +(case,) 518.32 255.67 T +(that) 99 242.67 T +(formal) 118.2 242.67 T +(parameter) 150.22 242.67 T +(receives) 196.89 242.67 T +(a) 235.63 242.67 T +(tuple) 243.21 242.67 T +(containing) 267.9 242.67 T +(the) 317.04 242.67 T +(excess) 333.18 242.67 T +(positional) 364.59 242.67 T +(arguments) 410.68 242.67 T +(\050or) 459.2 242.67 T +(an) 474.72 242.67 T +(empty) 487.8 242.67 T +(tuple) 518 242.67 T (if there were no excess positional arguments\051.) 99 229.67 T --0.3 (If any keyword argument does not correspond to a formal parameter name, a) 99 204.67 P -2 F --0.72 (TypeError) 435.38 204.67 P -1 F --0.3 ( exception) 494.78 204.67 P --0.46 (is raised, unless a formal parameter using the syntax \324\324) 99 191.67 P -2 F --1.11 (**identifier) 334.95 191.67 P -1 F --0.46 (\325\325 is present; in this case, that) 414.15 191.67 P -0.41 0.12 (formal parameter receives a dictionary containing the excess keyword arguments \050using the key-) 99 178.67 B --0.33 (words as keys and the argument values as corresponding values\051, or a \050new\051 empty dictionary if there) 99 165.67 P +(If) 99 204.67 T +(any) 108.78 204.67 T +(keyword) 127.11 204.67 T +(argument) 168.05 204.67 T +(does) 212.04 204.67 T +(not) 234.65 204.67 T +(correspond) 251.16 204.67 T +(to) 302.48 204.67 T +(a) 313.49 204.67 T +(formal) 320.82 204.67 T +(parameter) 352.6 204.67 T +(name,) 399.02 204.67 T +(a) 428.05 204.67 T +2 F +(TypeError) 435.38 204.67 T +1 F +(exception) 497.23 204.67 T +(is) 99 191.67 T +(raised,) 108.62 191.67 T +(unless) 139.93 191.67 T +(a) 169.72 191.67 T +(formal) 176.89 191.67 T +(parameter) 208.5 191.67 T +(using) 254.77 191.67 T +(the) 280.89 191.67 T +(syntax) 296.62 191.67 T +(\324\324) 327.63 191.67 T +2 F +(**identifier) 334.95 191.67 T +1 F +(\325\325) 414.15 191.67 T +(is) 423.77 191.67 T +(present;) 433.39 191.67 T +(in) 470.5 191.67 T +(this) 481.35 191.67 T +(case,) 499.53 191.67 T +(that) 523.5 191.67 T +(f) 99 178.67 T +(o) 102.78 178.67 T +(r) 108.4 178.67 T +(m) 112.18 178.67 T +(a) 120.86 178.67 T +(l) 125.86 178.67 T +(p) 132.31 178.67 T +(a) 137.93 178.67 T +(r) 142.93 178.67 T +(a) 146.71 178.67 T +(m) 151.71 178.67 T +(e) 160.39 178.67 T +(t) 165.39 178.67 T +(e) 168.57 178.67 T +(r) 173.57 178.67 T +(r) 180.63 178.67 T +(e) 184.41 178.67 T +(c) 189.41 178.67 T +(e) 194.41 178.67 T +(i) 199.41 178.67 T +(v) 202.59 178.67 T +(e) 208.21 178.67 T +(s) 213.21 178.67 T +(a) 220.89 178.67 T +(d) 229.17 178.67 T +(i) 234.79 178.67 T +(c) 237.96 178.67 T +(t) 242.96 178.67 T +(i) 246.14 178.67 T +(o) 249.31 178.67 T +(n) 254.93 178.67 T +(a) 260.55 178.67 T +(r) 265.55 178.67 T +(y) 269.33 178.67 T +(c) 278.23 178.67 T +(o) 283.23 178.67 T +(n) 288.85 178.67 T +(t) 294.47 178.67 T +(a) 297.64 178.67 T +(i) 302.64 178.67 T +(n) 305.82 178.67 T +(i) 311.44 178.67 T +(n) 314.61 178.67 T +(g) 320.23 178.67 T +(t) 329.13 178.67 T +(h) 332.3 178.67 T +(e) 337.92 178.67 T +(e) 346.2 178.67 T +(x) 351.2 178.67 T +(c) 356.82 178.67 T +(e) 361.82 178.67 T +(s) 366.83 178.67 T +(s) 371.22 178.67 T +(k) 378.9 178.67 T +(e) 384.52 178.67 T +(y) 389.52 178.67 T +(w) 395.14 178.67 T +(o) 403.2 178.67 T +(r) 408.81 178.67 T +(d) 412.59 178.67 T +(a) 421.49 178.67 T +(r) 426.49 178.67 T +(g) 430.27 178.67 T +(u) 435.89 178.67 T +(m) 441.51 178.67 T +(e) 450.18 178.67 T +(n) 455.19 178.67 T +(t) 460.8 178.67 T +(s) 463.98 178.67 T +(\050) 471.66 178.67 T +(u) 475.44 178.67 T +(s) 481.05 178.67 T +(i) 485.45 178.67 T +(n) 488.63 178.67 T +(g) 494.24 178.67 T +(t) 503.14 178.67 T +(h) 506.32 178.67 T +(e) 511.94 178.67 T +(k) 520.22 178.67 T +(e) 525.84 178.67 T +(y) 530.84 178.67 T +(-) 536.45 178.67 T +(words) 99 165.67 T +(as) 128.3 165.67 T +(keys) 139.88 165.67 T +(and) 162.46 165.67 T +(the) 180.76 165.67 T +(argument) 196.62 165.67 T +(values) 240.59 165.67 T +(as) 271.11 165.67 T +(corresponding) 282.69 165.67 T +(values\051,) 348.04 165.67 T +(or) 384.98 165.67 T +(a) 396.56 165.67 T +(\050new\051) 403.86 165.67 T +(empty) 431.93 165.67 T +(dictionary) 461.85 165.67 T +(if) 508.87 165.67 T +(there) 518.01 165.67 T (were no excess keyword arguments.) 99 152.67 T -0.41 0.01 (Formal parameters using the syntax \324\324) 99 127.67 B -2 F -0.99 0.01 (*identifier) 268.55 127.67 B -1 F -0.41 0.01 (\325\325 or \324\324) 341.26 127.67 B -2 F -0.99 0.01 (**identifier) 371.48 127.67 B -1 F -0.41 0.01 (\325\325 cannot be used as) 450.8 127.67 B -0.41 0.25 (positional argument slots or as keyword argument names. Formal parameters using the syntax) 99 114.67 B --0.14 (\324\324) 99 101.67 P -2 F --0.33 (\050sublist\051) 106.33 101.67 P -1 F --0.14 (\325\325 cannot be used as keyword argument names; the outermost sublist corresponds to a) 165.73 101.67 P --0.18 (single unnamed argument slot, and the argument value is assigned to the sublist using the usual tuple) 99 88.67 P +(F) 99 127.67 T +(o) 105.13 127.67 T +(r) 110.64 127.67 T +(m) 114.31 127.67 T +(a) 122.88 127.67 T +(l) 127.77 127.67 T +(p) 134.01 127.67 T +(a) 139.52 127.67 T +(r) 144.42 127.67 T +(a) 148.09 127.67 T +(m) 152.98 127.67 T +(e) 161.55 127.67 T +(t) 166.45 127.67 T +(e) 169.51 127.67 T +(r) 174.41 127.67 T +(s) 178.08 127.67 T +(u) 185.54 127.67 T +(s) 191.05 127.67 T +(i) 195.34 127.67 T +(n) 198.41 127.67 T +(g) 203.92 127.67 T +(t) 212.6 127.67 T +(h) 215.67 127.67 T +(e) 221.18 127.67 T +(s) 229.25 127.67 T +(y) 233.54 127.67 T +(n) 239.04 127.67 T +(t) 244.55 127.67 T +(a) 247.62 127.67 T +(x) 252.52 127.67 T +(\324) 261.2 127.67 T +(\324) 264.87 127.67 T +2 F +(*) 268.55 127.67 T +(i) 275.16 127.67 T +(d) 281.77 127.67 T +(e) 288.38 127.67 T +(n) 294.99 127.67 T +(t) 301.6 127.67 T +(i) 308.21 127.67 T +(f) 314.82 127.67 T +(i) 321.43 127.67 T +(e) 328.04 127.67 T +(r) 334.65 127.67 T +1 F +(\325) 341.26 127.67 T +(\325) 344.93 127.67 T +(o) 351.77 127.67 T +(r) 357.29 127.67 T +(\324) 364.13 127.67 T +(\324) 367.8 127.67 T +2 F +(*) 371.48 127.67 T +(*) 378.09 127.67 T +(i) 384.7 127.67 T +(d) 391.31 127.67 T +(e) 397.92 127.67 T +(n) 404.53 127.67 T +(t) 411.14 127.67 T +(i) 417.75 127.67 T +(f) 424.36 127.67 T +(i) 430.97 127.67 T +(e) 437.58 127.67 T +(r) 444.19 127.67 T +1 F +(\325) 450.8 127.67 T +(\325) 454.47 127.67 T +(c) 461.32 127.67 T +(a) 466.21 127.67 T +(n) 471.1 127.67 T +(n) 476.61 127.67 T +(o) 482.12 127.67 T +(t) 487.63 127.67 T +(b) 493.87 127.67 T +(e) 499.38 127.67 T +(u) 507.45 127.67 T +(s) 512.96 127.67 T +(e) 517.25 127.67 T +(d) 522.14 127.67 T +(a) 530.83 127.67 T +(s) 535.72 127.67 T +(p) 99 114.67 T +(o) 104.75 114.67 T +(s) 110.51 114.67 T +(i) 115.04 114.67 T +(t) 118.36 114.67 T +(i) 121.67 114.67 T +(o) 124.98 114.67 T +(n) 130.74 114.67 T +(a) 136.49 114.67 T +(l) 141.63 114.67 T +(a) 148.36 114.67 T +(r) 153.5 114.67 T +(g) 157.42 114.67 T +(u) 163.17 114.67 T +(m) 168.93 114.67 T +(e) 177.74 114.67 T +(n) 182.88 114.67 T +(t) 188.63 114.67 T +(s) 195.36 114.67 T +(l) 199.9 114.67 T +(o) 203.21 114.67 T +(t) 208.96 114.67 T +(s) 212.28 114.67 T +(o) 220.23 114.67 T +(r) 225.98 114.67 T +(a) 233.32 114.67 T +(s) 238.46 114.67 T +(k) 246.41 114.67 T +(e) 252.16 114.67 T +(y) 257.3 114.67 T +(w) 263.06 114.67 T +(o) 271.25 114.67 T +(r) 277.01 114.67 T +(d) 280.93 114.67 T +(a) 290.1 114.67 T +(r) 295.24 114.67 T +(g) 299.16 114.67 T +(u) 304.91 114.67 T +(m) 310.67 114.67 T +(e) 319.48 114.67 T +(n) 324.62 114.67 T +(t) 330.37 114.67 T +(n) 337.1 114.67 T +(a) 342.86 114.67 T +(m) 348 114.67 T +(e) 356.81 114.67 T +(s) 361.95 114.67 T +(.) 366.48 114.67 T +(F) 372.9 114.67 T +(o) 379.27 114.67 T +(r) 385.03 114.67 T +(m) 388.95 114.67 T +(a) 397.76 114.67 T +(l) 402.9 114.67 T +(p) 409.63 114.67 T +(a) 415.38 114.67 T +(r) 420.52 114.67 T +(a) 424.44 114.67 T +(m) 429.58 114.67 T +(e) 438.39 114.67 T +(t) 443.53 114.67 T +(e) 446.84 114.67 T +(r) 451.98 114.67 T +(s) 455.9 114.67 T +(u) 463.85 114.67 T +(s) 469.61 114.67 T +(i) 474.14 114.67 T +(n) 477.45 114.67 T +(g) 483.21 114.67 T +(t) 492.38 114.67 T +(h) 495.69 114.67 T +(e) 501.45 114.67 T +(s) 510 114.67 T +(y) 514.54 114.67 T +(n) 520.29 114.67 T +(t) 526.05 114.67 T +(a) 529.36 114.67 T +(x) 534.5 114.67 T +(\324\324) 99 101.67 T +2 F +(\050sublist\051) 106.33 101.67 T +1 F +(\325\325) 165.73 101.67 T +(cannot) 175.66 101.67 T +(be) 207.6 101.67 T +(used) 220.6 101.67 T +(as) 243.37 101.67 T +(keyword) 255.14 101.67 T +(argument) 296.24 101.67 T +(names;) 340.4 101.67 T +(the) 374.18 101.67 T +(outermost) 390.23 101.67 T +(sublist) 436.84 101.67 T +(corresponds) 468.18 101.67 T +(to) 523.95 101.67 T +(a) 535.11 101.67 T +(single) 99 88.67 T +(unnamed) 127.85 88.67 T +(argument) 170.74 88.67 T +(slot,) 214.85 88.67 T +(and) 236.06 88.67 T +(the) 254.51 88.67 T +(argument) 270.52 88.67 T +(value) 314.63 88.67 T +(is) 341.02 88.67 T +(assigned) 350.92 88.67 T +(to) 391.37 88.67 T +(the) 402.5 88.67 T +(sublist) 418.51 88.67 T +(using) 449.8 88.67 T +(the) 476.21 88.67 T +(usual) 492.21 88.67 T +(tuple) 518 88.67 T (assignment rules after all other parameter processing is done.) 99 75.67 T -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "31" 37 %%Page: "32" 38 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (32) 76.5 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q -0.41 0.07 (A call always returns some value, possibly) 99 712.67 B -2 F -0.99 0.07 (None) 295.6 712.67 B -1 F -0.41 0.07 (, unless it raises an exception. How this value is) 322.28 712.67 B +(A) 99 712.67 T +(c) 110.25 712.67 T +(a) 115.2 712.67 T +(l) 120.16 712.67 T +(l) 123.29 712.67 T +(a) 129.65 712.67 T +(l) 134.61 712.67 T +(w) 137.74 712.67 T +(a) 145.75 712.67 T +(y) 150.7 712.67 T +(s) 156.27 712.67 T +(r) 163.86 712.67 T +(e) 167.59 712.67 T +(t) 172.55 712.67 T +(u) 175.68 712.67 T +(r) 181.25 712.67 T +(n) 184.99 712.67 T +(s) 190.56 712.67 T +(s) 198.14 712.67 T +(o) 202.49 712.67 T +(m) 208.06 712.67 T +(e) 216.69 712.67 T +(v) 224.88 712.67 T +(a) 230.45 712.67 T +(l) 235.41 712.67 T +(u) 238.54 712.67 T +(e) 244.11 712.67 T +(,) 249.06 712.67 T +(p) 255.12 712.67 T +(o) 260.69 712.67 T +(s) 266.26 712.67 T +(s) 270.61 712.67 T +(i) 274.96 712.67 T +(b) 278.09 712.67 T +(l) 283.66 712.67 T +(y) 286.79 712.67 T +2 F +(N) 295.6 712.67 T +(o) 302.27 712.67 T +(n) 308.94 712.67 T +(e) 315.61 712.67 T +1 F +(,) 322.28 712.67 T +(u) 328.34 712.67 T +(n) 333.91 712.67 T +(l) 339.48 712.67 T +(e) 342.61 712.67 T +(s) 347.57 712.67 T +(s) 351.92 712.67 T +(i) 359.5 712.67 T +(t) 362.63 712.67 T +(r) 368.99 712.67 T +(a) 372.73 712.67 T +(i) 377.68 712.67 T +(s) 380.81 712.67 T +(e) 385.16 712.67 T +(s) 390.12 712.67 T +(a) 397.7 712.67 T +(n) 402.66 712.67 T +(e) 411.46 712.67 T +(x) 416.42 712.67 T +(c) 421.99 712.67 T +(e) 426.95 712.67 T +(p) 431.9 712.67 T +(t) 437.47 712.67 T +(i) 440.6 712.67 T +(o) 443.73 712.67 T +(n) 449.3 712.67 T +(.) 454.87 712.67 T +(H) 460.93 712.67 T +(o) 468.94 712.67 T +(w) 474.51 712.67 T +(t) 485.76 712.67 T +(h) 488.89 712.67 T +(i) 494.46 712.67 T +(s) 497.59 712.67 T +(v) 505.17 712.67 T +(a) 510.75 712.67 T +(l) 515.7 712.67 T +(u) 518.83 712.67 T +(e) 524.4 712.67 T +(i) 532.59 712.67 T +(s) 535.72 712.67 T (computed depends on the type of the callable object.) 99 699.67 T (If it is:) 99 674.67 T 4 F (a user-defined function:) 99 655.67 T 1 F --0.41 (the code block for the function is executed, passing it the argument list. The) 211.44 655.67 P -0.3 (first thing the code block will do is bind the formal parameters to the arguments; this is de-) 135 642.67 P -0.74 (scribed in section\322Function definitions\323 on page) 135 629.67 P -0.74 (50. When the code block executes a) 354.38 629.67 P -2 F -1.76 (re-) 520.2 629.67 P +(the) 211.44 655.67 T +(code) 227.22 655.67 T +(block) 250.33 655.67 T +(for) 277.11 655.67 T +(the) 292.27 655.67 T +(function) 308.05 655.67 T +(is) 347.05 655.67 T +(executed,) 356.72 655.67 T +(passing) 400.9 655.67 T +(it) 436.24 655.67 T +(the) 444.69 655.67 T +(argument) 460.47 655.67 T +(list.) 504.36 655.67 T +(The) 522.9 655.67 T +(first) 135 642.67 T +(thing) 155.77 642.67 T +(the) 181.43 642.67 T +(code) 197.92 642.67 T +(block) 221.74 642.67 T +(will) 249.23 642.67 T +(do) 269.39 642.67 T +(is) 283.44 642.67 T +(bind) 293.82 642.67 T +(the) 316.43 642.67 T +(formal) 332.92 642.67 T +(parameters) 365.29 642.67 T +(to) 416.6 642.67 T +(the) 428.2 642.67 T +(arguments;) 444.69 642.67 T +(this) 496.62 642.67 T +(is) 515.57 642.67 T +(de-) 525.95 642.67 T +(scribed) 135 629.67 T +(in) 170.25 629.67 T +(section\322Function) 182.3 629.67 T +(definitions\323) 260.95 629.67 T +(on) 316.37 629.67 T +(page) 330.86 629.67 T +(50.) 354.38 629.67 T +(When) 371.61 629.67 T +(the) 401.36 629.67 T +(code) 418.29 629.67 T +(block) 442.55 629.67 T +(executes) 470.47 629.67 T +(a) 511.83 629.67 T +2 F +(re-) 520.2 629.67 T (turn) 135 616.67 T 1 F ( statement, this specifies the return value of the function call.) 161.4 616.67 T 4 F (a built-in function or method:) 99 597.67 T 1 F --0.17 (the result is up to the interpreter; see the library reference manual for) 238.95 597.67 P +(the) 238.95 597.67 T +(result) 254.98 597.67 T +(is) 282.01 597.67 T +(up) 291.93 597.67 T +(to) 305.51 597.67 T +(the) 316.66 597.67 T +(interpreter;) 332.68 597.67 T +(see) 384.14 597.67 T +(the) 400.77 597.67 T +(library) 416.8 597.67 T +(reference) 448.71 597.67 T +(manual) 492.2 597.67 T +(for) 527.17 597.67 T (the descriptions of built-in functions and methods.) 135 584.67 T 4 F (a class object:) 99 565.67 T @@ -8843,27 +20355,198 @@ FrameNoSep 4 F (a class instance method:) 99 546.67 T 1 F --0.57 (the corresponding user-defined function is called, with an argument list that) 212.35 546.67 P +(the) 212.35 546.67 T +(corresponding) 227.98 546.67 T +(user-defined) 293.1 546.67 T +(function) 350.26 546.67 T +(is) 389.1 546.67 T +(called,) 398.62 546.67 T +(with) 429.82 546.67 T +(an) 451.57 546.67 T +(argument) 464.13 546.67 T +(list) 507.86 546.67 T +(that) 523.5 546.67 T (is one longer than the argument list of the call. The instance becomes the first argument.) 135 533.67 T 0 14 Q (5.4) 99 506.67 T (The power operator) 135 506.67 T 1 11 Q --0.32 (The power operator binds more tightly than unary operators on its left; it binds less tightly than unary) 99 477.67 P +(The) 99 477.67 T +(power) 118.54 477.67 T +(operator) 148.46 477.67 T +(binds) 187.55 477.67 T +(more) 213.82 477.67 T +(tightly) 238.85 477.67 T +(than) 270.02 477.67 T +(unary) 291.4 477.67 T +(operators) 318.88 477.67 T +(on) 362.24 477.67 T +(its) 375.67 477.67 T +(left;) 388.5 477.67 T +(it) 408.66 477.67 T +(binds) 417.21 477.67 T +(less) 443.48 477.67 T +(tightly) 462.41 477.67 T +(than) 493.58 477.67 T +(unary) 514.95 477.67 T (operators on its right. The syntax is:) 99 464.67 T 2 10 Q (power: primary ["**" u_expr]) 99 446.33 T 1 11 Q --0.4 (Thus, in an unparenthesized sequence of power and unary operators, the operators are evaluated from) 99 421.67 P +(Thus,) 99 421.67 T +(in) 126.1 421.67 T +(an) 137.01 421.67 T +(unparenthesized) 149.74 421.67 T +(sequence) 223.57 421.67 T +(of) 266.24 421.67 T +(power) 277.75 421.67 T +(and) 307.59 421.67 T +(unary) 325.83 421.67 T +(operators,) 353.23 421.67 T +(the) 399.26 421.67 T +(operators) 415.05 421.67 T +(are) 458.33 421.67 T +(evaluated) 474.11 421.67 T +(from) 518.61 421.67 T (right to left \050this does not constrain the evaluation order for the operands\051.) 99 408.67 T --0.32 (The power operator has the same semantics as the built-in) 99 383.67 P -2 F --0.76 (pow\050\051) 353.68 383.67 P -1 F --0.32 ( function: it yields its left argument) 386.68 383.67 P -0.41 0.05 (raised to the power of its right argument. The numeric arguments are first converted to a common) 99 370.67 B --0.33 (type. The result type is that of the arguments after coercion; if the result is not expressible in that type) 99 357.67 P --0.08 (\050as in raising an integer to a negative power, or a negative floating point number to a broken power\051,) 99 344.67 P +(The) 99 383.67 T +(power) 118.54 383.67 T +(operator) 148.46 383.67 T +(has) 187.55 383.67 T +(the) 204.64 383.67 T +(same) 220.52 383.67 T +(semantics) 245.56 383.67 T +(as) 291.38 383.67 T +(the) 302.97 383.67 T +(built-in) 318.85 383.67 T +2 F +(pow\050\051) 353.68 383.67 T +1 F +(function:) 389.11 383.67 T +(it) 431.27 383.67 T +(yields) 439.82 383.67 T +(its) 468.53 383.67 T +(left) 481.36 383.67 T +(argument) 498.45 383.67 T +(r) 99 370.67 T +(a) 102.71 370.67 T +(i) 107.64 370.67 T +(s) 110.75 370.67 T +(e) 115.08 370.67 T +(d) 120.01 370.67 T +(t) 128.77 370.67 T +(o) 131.87 370.67 T +(t) 140.63 370.67 T +(h) 143.74 370.67 T +(e) 149.29 370.67 T +(p) 157.43 370.67 T +(o) 162.98 370.67 T +(w) 168.52 370.67 T +(e) 176.51 370.67 T +(r) 181.45 370.67 T +(o) 188.37 370.67 T +(f) 193.92 370.67 T +(i) 200.84 370.67 T +(t) 203.94 370.67 T +(s) 207.05 370.67 T +(r) 214.59 370.67 T +(i) 218.3 370.67 T +(g) 221.4 370.67 T +(h) 226.95 370.67 T +(t) 232.5 370.67 T +(a) 238.82 370.67 T +(r) 243.75 370.67 T +(g) 247.46 370.67 T +(u) 253.01 370.67 T +(m) 258.55 370.67 T +(e) 267.16 370.67 T +(n) 272.09 370.67 T +(t) 277.64 370.67 T +(.) 280.75 370.67 T +(T) 286.76 370.67 T +(h) 293.52 370.67 T +(e) 299.07 370.67 T +(n) 307.22 370.67 T +(u) 312.76 370.67 T +(m) 318.31 370.67 T +(e) 326.92 370.67 T +(r) 331.85 370.67 T +(i) 335.56 370.67 T +(c) 338.67 370.67 T +(a) 346.81 370.67 T +(r) 351.74 370.67 T +(g) 355.45 370.67 T +(u) 361 370.67 T +(m) 366.55 370.67 T +(e) 375.15 370.67 T +(n) 380.09 370.67 T +(t) 385.64 370.67 T +(s) 388.74 370.67 T +(a) 396.28 370.67 T +(r) 401.21 370.67 T +(e) 404.92 370.67 T +(f) 413.06 370.67 T +(i) 416.77 370.67 T +(r) 419.88 370.67 T +(s) 423.59 370.67 T +(t) 427.92 370.67 T +(c) 434.23 370.67 T +(o) 439.17 370.67 T +(n) 444.72 370.67 T +(v) 450.26 370.67 T +(e) 455.81 370.67 T +(r) 460.74 370.67 T +(t) 464.45 370.67 T +(e) 467.56 370.67 T +(d) 472.49 370.67 T +(t) 481.25 370.67 T +(o) 484.36 370.67 T +(a) 493.12 370.67 T +(c) 501.26 370.67 T +(o) 506.19 370.67 T +(m) 511.74 370.67 T +(m) 520.34 370.67 T +(o) 528.95 370.67 T +(n) 534.5 370.67 T +(type.) 99 357.67 T +(The) 123.11 357.67 T +(result) 142.64 357.67 T +(type) 169.5 357.67 T +(is) 190.86 357.67 T +(that) 200.62 357.67 T +(of) 219.54 357.67 T +(the) 231.12 357.67 T +(arguments) 246.98 357.67 T +(after) 295.23 357.67 T +(coercion;) 317.8 357.67 T +(if) 361.15 357.67 T +(the) 370.29 357.67 T +(result) 386.15 357.67 T +(is) 413.02 357.67 T +(not) 422.77 357.67 T +(expressible) 439.25 357.67 T +(in) 491.16 357.67 T +(that) 502.14 357.67 T +(type) 521.06 357.67 T +(\050as) 99 344.67 T +(in) 114.5 344.67 T +(raising) 125.73 344.67 T +(an) 158.35 344.67 T +(integer) 171.41 344.67 T +(to) 204.63 344.67 T +(a) 215.86 344.67 T +(negative) 223.42 344.67 T +(power,) 263.36 344.67 T +(or) 296.28 344.67 T +(a) 308.12 344.67 T +(negative) 315.67 344.67 T +(floating) 355.62 344.67 T +(point) 392.51 344.67 T +(number) 417.8 344.67 T +(to) 454.08 344.67 T +(a) 465.32 344.67 T +(broken) 472.88 344.67 T +(power\051,) 506.1 344.67 T (a) 99 331.67 T 2 F (TypeError) 106.63 331.67 T @@ -8887,11 +20570,93 @@ FrameNoSep ("+") 146.65 211.67 T 1 F ( \050plus\051 operator yields its numeric argument unchanged.) 166.45 211.67 T -0.41 0.01 (The unary) 99 186.67 B -2 F -0.99 0.01 ("~") 147.55 186.67 B -1 F -0.41 0.01 ( \050invert\051 operator yields the bit-wise inversion of its plain or long integer argument.) 167.37 186.67 B +(T) 99 186.67 T +(h) 105.73 186.67 T +(e) 111.24 186.67 T +(u) 119.3 186.67 T +(n) 124.81 186.67 T +(a) 130.31 186.67 T +(r) 135.2 186.67 T +(y) 138.87 186.67 T +2 F +(") 147.55 186.67 T +(~) 154.16 186.67 T +(") 160.77 186.67 T +1 F +(\050) 170.54 186.67 T +(i) 174.21 186.67 T +(n) 177.28 186.67 T +(v) 182.79 186.67 T +(e) 188.29 186.67 T +(r) 193.18 186.67 T +(t) 196.86 186.67 T +(\051) 199.92 186.67 T +(o) 206.76 186.67 T +(p) 212.27 186.67 T +(e) 217.78 186.67 T +(r) 222.67 186.67 T +(a) 226.34 186.67 T +(t) 231.23 186.67 T +(o) 234.29 186.67 T +(r) 239.8 186.67 T +(y) 246.64 186.67 T +(i) 252.15 186.67 T +(e) 255.21 186.67 T +(l) 260.11 186.67 T +(d) 263.17 186.67 T +(s) 268.68 186.67 T +(t) 276.14 186.67 T +(h) 279.2 186.67 T +(e) 284.71 186.67 T +(b) 292.77 186.67 T +(i) 298.28 186.67 T +(t) 301.34 186.67 T +(-) 304.41 186.67 T +(w) 308.08 186.67 T +(i) 316.03 186.67 T +(s) 319.09 186.67 T +(e) 323.38 186.67 T +(i) 331.44 186.67 T +(n) 334.51 186.67 T +(v) 340.01 186.67 T +(e) 345.52 186.67 T +(r) 350.41 186.67 T +(s) 354.08 186.67 T +(i) 358.37 186.67 T +(o) 361.43 186.67 T +(n) 366.94 186.67 T +(o) 375.62 186.67 T +(f) 381.13 186.67 T +(i) 387.97 186.67 T +(t) 391.03 186.67 T +(s) 394.1 186.67 T +(p) 401.55 186.67 T +(l) 407.06 186.67 T +(a) 410.13 186.67 T +(i) 415.02 186.67 T +(n) 418.08 186.67 T +(o) 426.76 186.67 T +(r) 432.27 186.67 T +(l) 439.11 186.67 T +(o) 442.17 186.67 T +(n) 447.68 186.67 T +(g) 453.19 186.67 T +(i) 461.87 186.67 T +(n) 464.93 186.67 T +(t) 470.44 186.67 T +(e) 473.51 186.67 T +(g) 478.4 186.67 T +(e) 483.9 186.67 T +(r) 488.8 186.67 T +(a) 495.64 186.67 T +(r) 500.53 186.67 T +(g) 504.2 186.67 T +(u) 509.7 186.67 T +(m) 515.21 186.67 T +(e) 523.78 186.67 T +(n) 528.67 186.67 T +(t) 534.18 186.67 T +(.) 537.24 186.67 T (The bit-wise inversion of) 99 173.67 T 2 F (x) 212.65 173.67 T @@ -8910,112 +20675,502 @@ FrameNoSep (5.6) 99 121.67 T (Binary arithmetic operations) 135 121.67 T 1 11 Q -0.18 (The remaining binary arithmetic operations have the conventional priority levels. Note that some of) 99 96.67 P -0.65 (these operations also apply to certain non-numeric types. Apart from the power operator, there are) 99 83.67 P +(The) 99 96.67 T +(remaining) 119.03 96.67 T +(binary) 166.56 96.67 T +(arithmetic) 197.59 96.67 T +(operations) 245.12 96.67 T +(have) 293.88 96.67 T +(the) 317.57 96.67 T +(conventional) 333.94 96.67 T +(priority) 393.69 96.67 T +(levels.) 429.61 96.67 T +(Note) 460.95 96.67 T +(that) 485.26 96.67 T +(some) 504.69 96.67 T +(of) 530.84 96.67 T +(these) 99 83.67 T +(operations) 125 83.67 T +(also) 174.22 83.67 T +(apply) 195.34 83.67 T +(to) 223.18 83.67 T +(certain) 235.13 83.67 T +(non-numeric) 268.46 83.67 T +(types.) 328.07 83.67 T +(Apart) 357.44 83.67 T +(from) 385.88 83.67 T +(the) 410.66 83.67 T +(power) 427.5 83.67 T +(operator,) 458.39 83.67 T +(there) 501.18 83.67 T +(are) 526.57 83.67 T (only two levels, one for multiplicative operators and one for additive operators:) 99 70.67 T -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "32" 38 %%Page: "33" 39 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (33) 530 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 585 292.5 598.5 720 R 5 9 Q -(\245) 0 -90 592.5 720 TF -(Expressions) 0 -90 592.5 711 TF +(\245) 0 270 592.5 720 TF +(Expressions) 0 270 592.5 711 TF 585 292.5 598.5 720 R -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 10 Q (m_expr: u_expr | m_expr "*" u_expr) 99 713.33 T ( | m_expr "/" u_expr | m_expr "%" u_expr) 99 701.33 T (a_expr: m_expr | aexpr "+" m_expr | aexpr "-" m_expr) 99 689.33 T 1 11 Q --0.45 (The ") 99 664.67 P -2 F --1.08 (*) 122.89 664.67 P -1 F --0.45 (" \050multiplication\051 operator yields the product of its arguments. The arguments must either both) 129.49 664.67 P --0.12 (be numbers, or one argument must be a plain integer and the other must be a sequence. In the former) 99 651.67 P --0.29 (case, the numbers are converted to a common type and then multiplied together. In the latter case, se-) 99 638.67 P +(The) 99 664.67 T +(") 118.41 664.67 T +2 F +(*) 122.89 664.67 T +1 F +(") 129.49 664.67 T +(\050multiplication\051) 136.28 664.67 T +(operator) 207.64 664.67 T +(yields) 246.6 664.67 T +(the) 275.18 664.67 T +(product) 290.92 664.67 T +(of) 326.83 664.67 T +(its) 338.29 664.67 T +(arguments.) 350.99 664.67 T +(The) 401.86 664.67 T +(arguments) 421.27 664.67 T +(must) 469.4 664.67 T +(either) 493.09 664.67 T +(both) 520.44 664.67 T +(be) 99 651.67 T +(numbers,) 112.01 651.67 T +(or) 155.28 651.67 T +(one) 167.07 651.67 T +(argument) 185.59 651.67 T +(must) 229.76 651.67 T +(be) 253.79 651.67 T +(a) 266.81 651.67 T +(plain) 274.32 651.67 T +(integer) 298.95 651.67 T +(and) 332.13 651.67 T +(the) 350.64 651.67 T +(other) 366.72 651.67 T +(must) 391.95 651.67 T +(be) 415.98 651.67 T +(a) 428.99 651.67 T +(sequence.) 436.51 651.67 T +(In) 482.2 651.67 T +(the) 494 651.67 T +(former) 510.07 651.67 T +(case,) 99 638.67 T +(the) 123.14 638.67 T +(numbers) 139.03 638.67 T +(are) 179.37 638.67 T +(converted) 195.26 638.67 T +(to) 241.09 638.67 T +(a) 252.1 638.67 T +(common) 259.44 638.67 T +(type) 300.39 638.67 T +(and) 321.79 638.67 T +(then) 340.13 638.67 T +(multiplied) 361.52 638.67 T +(together.) 409.21 638.67 T +(In) 450.46 638.67 T +(the) 462.08 638.67 T +(latter) 477.98 638.67 T +(case,) 503.04 638.67 T +(se-) 527.17 638.67 T (quence repetition is performed; a negative repetition factor yields an empty sequence.) 99 625.67 T --0.4 (The ") 99 600.67 P -2 F --0.95 (/) 122.95 600.67 P -1 F --0.4 (" \050division\051 operator yields the quotient of its arguments. The numeric arguments are first con-) 129.55 600.67 P -0.04 (verted to a common type. Plain or long integer division yields an integer of the same type; the result) 99 587.67 P --0.22 (is that of mathematical division with the \324floor\325 function applied to the result. Division by zero raises) 99 574.67 P +(The) 99 600.67 T +(") 118.46 600.67 T +2 F +(/) 122.95 600.67 T +1 F +(") 129.55 600.67 T +(\050division\051) 136.39 600.67 T +(operator) 181.52 600.67 T +(yields) 220.52 600.67 T +(the) 249.16 600.67 T +(quotient) 264.95 600.67 T +(of) 303.36 600.67 T +(its) 314.88 600.67 T +(arguments.) 327.63 600.67 T +(The) 378.56 600.67 T +(numeric) 398.02 600.67 T +(arguments) 436.42 600.67 T +(are) 484.59 600.67 T +(first) 500.38 600.67 T +(con-) 520.45 600.67 T +(verted) 99 587.67 T +(to) 129.28 587.67 T +(a) 140.63 587.67 T +(common) 148.3 587.67 T +(type.) 189.59 587.67 T +(Plain) 214.08 587.67 T +(or) 239.48 587.67 T +(long) 251.44 587.67 T +(integer) 273.79 587.67 T +(division) 307.12 587.67 T +(yields) 345.37 587.67 T +(an) 374.44 587.67 T +(integer) 387.61 587.67 T +(of) 420.95 587.67 T +(the) 432.9 587.67 T +(same) 449.14 587.67 T +(type;) 474.53 587.67 T +(the) 499.32 587.67 T +(result) 515.56 587.67 T +(is) 99 574.67 T +(that) 108.87 574.67 T +(of) 127.89 574.67 T +(mathematical) 139.59 574.67 T +(division) 201.38 574.67 T +(with) 239.36 574.67 T +(the) 261.45 574.67 T +(\324floor\325) 277.42 574.67 T +(function) 308.66 574.67 T +(applied) 347.85 574.67 T +(to) 382.76 574.67 T +(the) 393.85 574.67 T +(result.) 409.82 574.67 T +(Division) 439.54 574.67 T +(by) 479.96 574.67 T +(zero) 493.49 574.67 T +(raises) 514.95 574.67 T (the) 99 561.67 T 2 F (ZeroDivisionError) 115.19 561.67 T 1 F ( exception) 227.39 561.67 T --0.47 (The ") 99 536.67 P -2 F --1.12 (%) 122.88 536.67 P -1 F --0.47 (" \050modulo\051 operator yields the remainder from the division of the first argument by the second.) 129.48 536.67 P -0.41 0.21 (The numeric arguments are first converted to a common type. A zero right argument raises the) 99 523.67 B -2 F --0.63 (ZeroDivisionError) 99 510.67 P -1 F --0.26 ( exception. The arguments may be floating point numbers, e.g.) 211.2 510.67 P -2 F --0.63 (3.14%0.7) 487.2 510.67 P -1 F -0.34 (equals) 99 497.67 P -2 F -0.83 (0.34) 130.2 497.67 P -1 F -0.34 ( \050since) 156.6 497.67 P -2 F -0.83 (3.14) 189.06 497.67 P -1 F -0.34 ( equals) 215.46 497.67 P -2 F -0.83 (4*0.7+0.34) 249.75 497.67 P -1 F -0.34 (\051. The modulo operator always yields a result with) 315.75 497.67 P -0.16 (the same sign as its second operand \050or zero\051; the absolute value of the result is strictly smaller than) 99 484.67 P +(The) 99 536.67 T +(") 118.39 536.67 T +2 F +(%) 122.88 536.67 T +1 F +(") 129.48 536.67 T +(\050modulo\051) 136.25 536.67 T +(operator) 179.47 536.67 T +(yields) 218.4 536.67 T +(the) 246.97 536.67 T +(remainder) 262.69 536.67 T +(from) 309.57 536.67 T +(the) 333.23 536.67 T +(division) 348.96 536.67 T +(of) 386.69 536.67 T +(the) 398.14 536.67 T +(first) 413.86 536.67 T +(argument) 433.87 536.67 T +(by) 477.7 536.67 T +(the) 490.98 536.67 T +(second.) 506.7 536.67 T +(T) 99 523.67 T +(h) 105.93 523.67 T +(e) 111.63 523.67 T +(n) 120.09 523.67 T +(u) 125.8 523.67 T +(m) 131.5 523.67 T +(e) 140.27 523.67 T +(r) 145.36 523.67 T +(i) 149.23 523.67 T +(c) 152.49 523.67 T +(a) 160.95 523.67 T +(r) 166.04 523.67 T +(g) 169.91 523.67 T +(u) 175.61 523.67 T +(m) 181.32 523.67 T +(e) 190.08 523.67 T +(n) 195.17 523.67 T +(t) 200.88 523.67 T +(s) 204.14 523.67 T +(a) 211.99 523.67 T +(r) 217.09 523.67 T +(e) 220.95 523.67 T +(f) 229.41 523.67 T +(i) 233.28 523.67 T +(r) 236.54 523.67 T +(s) 240.41 523.67 T +(t) 244.9 523.67 T +(c) 251.53 523.67 T +(o) 256.62 523.67 T +(n) 262.33 523.67 T +(v) 268.03 523.67 T +(e) 273.74 523.67 T +(r) 278.83 523.67 T +(t) 282.7 523.67 T +(e) 285.96 523.67 T +(d) 291.05 523.67 T +(t) 300.13 523.67 T +(o) 303.39 523.67 T +(a) 312.46 523.67 T +(c) 320.92 523.67 T +(o) 326.01 523.67 T +(m) 331.72 523.67 T +(m) 340.48 523.67 T +(o) 349.25 523.67 T +(n) 354.95 523.67 T +(t) 364.03 523.67 T +(y) 367.29 523.67 T +(p) 373 523.67 T +(e) 378.7 523.67 T +(.) 383.79 523.67 T +(A) 390.12 523.67 T +(z) 401.63 523.67 T +(e) 406.72 523.67 T +(r) 411.81 523.67 T +(o) 415.68 523.67 T +(r) 424.76 523.67 T +(i) 428.62 523.67 T +(g) 431.89 523.67 T +(h) 437.59 523.67 T +(t) 443.3 523.67 T +(a) 449.93 523.67 T +(r) 455.02 523.67 T +(g) 458.89 523.67 T +(u) 464.6 523.67 T +(m) 470.3 523.67 T +(e) 479.07 523.67 T +(n) 484.16 523.67 T +(t) 489.86 523.67 T +(r) 496.49 523.67 T +(a) 500.36 523.67 T +(i) 505.45 523.67 T +(s) 508.72 523.67 T +(e) 513.2 523.67 T +(s) 518.29 523.67 T +(t) 526.15 523.67 T +(h) 529.41 523.67 T +(e) 535.11 523.67 T +2 F +(ZeroDivisionError) 99 510.67 T +1 F +(exception.) 213.69 510.67 T +(The) 261.69 510.67 T +(arguments) 281.28 510.67 T +(may) 329.6 510.67 T +(be) 351.03 510.67 T +(floating) 363.9 510.67 T +(point) 400.61 510.67 T +(numbers,) 425.71 510.67 T +(e.g.) 468.83 510.67 T +2 F +(3.14%0.7) 487.2 510.67 T +1 F +(equals) 99 497.67 T +2 F +(0.34) 130.2 497.67 T +1 F +(\050since) 159.69 497.67 T +2 F +(3.14) 189.06 497.67 T +1 F +(equals) 218.55 497.67 T +2 F +(4*0.7+0.34) 249.75 497.67 T +1 F +(\051.) 315.75 497.67 T +(The) 325.26 497.67 T +(modulo) 345.46 497.67 T +(operator) 382.17 497.67 T +(always) 421.91 497.67 T +(yields) 455.55 497.67 T +(a) 484.93 497.67 T +(result) 492.91 497.67 T +(with) 520.44 497.67 T +(the) 99 484.67 T +(same) 115.35 484.67 T +(sign) 140.87 484.67 T +(as) 162.12 484.67 T +(its) 174.19 484.67 T +(second) 187.5 484.67 T +(operand) 220.96 484.67 T +(\050or) 259.3 484.67 T +(zero\051;) 275.04 484.67 T +(the) 303.6 484.67 T +(absolute) 319.95 484.67 T +(value) 359.53 484.67 T +(of) 386.26 484.67 T +(the) 398.34 484.67 T +(result) 414.69 484.67 T +(is) 442.05 484.67 T +(strictly) 452.29 484.67 T +(smaller) 485.76 484.67 T +(than) 521.06 484.67 T (the second operand.) 99 471.67 T --0.4 (The integer division and modulo operators are connected by the following identity:) 99 446.67 P -2 F --0.95 (x == \050x/y\051*y) 462.7 446.67 P -0.99 0.04 (+ \050x%y\051) 99 433.67 B -1 F -0.41 0.04 (. Integer division and modulo are also connected with the built-in function) 146.44 433.67 B -2 F -0.99 0.04 (divmod\050\051) 483.81 433.67 B -1 F -0.41 0.04 (:) 536.9 433.67 B -2 F -0.99 0.02 (divmod\050x, y\051 == \050x/y, x%y\051) 99 420.67 B -1 F -0.41 0.02 (. These identities don\325t hold for floating point and complex) 274.99 420.67 B +(The) 99 446.67 T +(integer) 118.46 446.67 T +(division) 151.36 446.67 T +(and) 189.17 446.67 T +(modulo) 207.4 446.67 T +(operators) 243.37 446.67 T +(are) 286.66 446.67 T +(connected) 302.44 446.67 T +(by) 349.39 446.67 T +(the) 362.74 446.67 T +(following) 378.54 446.67 T +(identity:) 423.67 446.67 T +2 F +(x) 462.7 446.67 T +(==) 474.95 446.67 T +(\050x/y\051*y) 493.8 446.67 T +(+) 99 433.67 T +(\050) 113.26 433.67 T +(x) 119.9 433.67 T +(%) 126.54 433.67 T +(y) 133.17 433.67 T +(\051) 139.81 433.67 T +1 F +(.) 146.44 433.67 T +(I) 152.43 433.67 T +(n) 156.13 433.67 T +(t) 161.66 433.67 T +(e) 164.76 433.67 T +(g) 169.68 433.67 T +(e) 175.22 433.67 T +(r) 180.14 433.67 T +(d) 187.03 433.67 T +(i) 192.57 433.67 T +(v) 195.66 433.67 T +(i) 201.2 433.67 T +(s) 204.3 433.67 T +(i) 208.61 433.67 T +(o) 211.71 433.67 T +(n) 217.24 433.67 T +(a) 225.98 433.67 T +(n) 230.9 433.67 T +(d) 236.43 433.67 T +(m) 245.17 433.67 T +(o) 253.76 433.67 T +(d) 259.3 433.67 T +(u) 264.84 433.67 T +(l) 270.37 433.67 T +(o) 273.47 433.67 T +(a) 282.2 433.67 T +(r) 287.12 433.67 T +(e) 290.82 433.67 T +(a) 298.94 433.67 T +(l) 303.86 433.67 T +(s) 306.95 433.67 T +(o) 311.27 433.67 T +(c) 320.01 433.67 T +(o) 324.93 433.67 T +(n) 330.46 433.67 T +(n) 336 433.67 T +(e) 341.54 433.67 T +(c) 346.45 433.67 T +(t) 351.38 433.67 T +(e) 354.47 433.67 T +(d) 359.39 433.67 T +(w) 368.12 433.67 T +(i) 376.1 433.67 T +(t) 379.2 433.67 T +(h) 382.29 433.67 T +(t) 391.03 433.67 T +(h) 394.12 433.67 T +(e) 399.66 433.67 T +(b) 407.78 433.67 T +(u) 413.31 433.67 T +(i) 418.85 433.67 T +(l) 421.94 433.67 T +(t) 425.04 433.67 T +(-) 428.13 433.67 T +(i) 431.83 433.67 T +(n) 434.93 433.67 T +(f) 443.66 433.67 T +(u) 447.36 433.67 T +(n) 452.9 433.67 T +(c) 458.43 433.67 T +(t) 463.35 433.67 T +(i) 466.45 433.67 T +(o) 469.54 433.67 T +(n) 475.08 433.67 T +2 F +(d) 483.81 433.67 T +(i) 490.45 433.67 T +(v) 497.09 433.67 T +(m) 503.72 433.67 T +(o) 510.36 433.67 T +(d) 516.99 433.67 T +(\050) 523.63 433.67 T +(\051) 530.27 433.67 T +1 F +(:) 536.9 433.67 T +2 F +(d) 99 420.67 T +(i) 105.62 420.67 T +(v) 112.23 420.67 T +(m) 118.85 420.67 T +(o) 125.47 420.67 T +(d) 132.08 420.67 T +(\050) 138.7 420.67 T +(x) 145.32 420.67 T +(,) 151.93 420.67 T +(y) 166.16 420.67 T +(\051) 172.77 420.67 T +(=) 187 420.67 T +(=) 193.61 420.67 T +(\050) 207.84 420.67 T +(x) 214.45 420.67 T +(/) 221.07 420.67 T +(y) 227.68 420.67 T +(,) 234.3 420.67 T +(x) 248.52 420.67 T +(%) 255.14 420.67 T +(y) 261.76 420.67 T +(\051) 268.38 420.67 T +1 F +(.) 274.99 420.67 T +(T) 280.94 420.67 T +(h) 287.67 420.67 T +(e) 293.19 420.67 T +(s) 298.09 420.67 T +(e) 302.39 420.67 T +(i) 310.47 420.67 T +(d) 313.54 420.67 T +(e) 319.06 420.67 T +(n) 323.96 420.67 T +(t) 329.48 420.67 T +(i) 332.55 420.67 T +(t) 335.62 420.67 T +(i) 338.7 420.67 T +(e) 341.77 420.67 T +(s) 346.67 420.67 T +(d) 354.15 420.67 T +(o) 359.67 420.67 T +(n) 365.18 420.67 T +(\325) 370.7 420.67 T +(t) 374.38 420.67 T +(h) 380.63 420.67 T +(o) 386.15 420.67 T +(l) 391.67 420.67 T +(d) 394.74 420.67 T +(f) 403.44 420.67 T +(o) 407.12 420.67 T +(r) 412.63 420.67 T +(f) 419.49 420.67 T +(l) 423.17 420.67 T +(o) 426.25 420.67 T +(a) 431.76 420.67 T +(t) 436.66 420.67 T +(i) 439.74 420.67 T +(n) 442.81 420.67 T +(g) 448.33 420.67 T +(p) 457.02 420.67 T +(o) 462.54 420.67 T +(i) 468.06 420.67 T +(n) 471.13 420.67 T +(t) 476.65 420.67 T +(a) 482.9 420.67 T +(n) 487.8 420.67 T +(d) 493.32 420.67 T +(c) 502.02 420.67 T +(o) 506.92 420.67 T +(m) 512.43 420.67 T +(p) 521.01 420.67 T +(l) 526.52 420.67 T +(e) 529.6 420.67 T +(x) 534.5 420.67 T (numbers; there a similar identity holds where) 99 407.67 T 2 F (x/y) 300.95 407.67 T @@ -9029,18 +21184,130 @@ FrameNoSep (floor\050\050x/y\051.real\051) 99 394.67 T 1 F (, respectively.) 211.2 394.67 T --0.54 (The) 99 369.67 P -2 F --1.3 ("+") 118.31 369.67 P -1 F --0.54 ( \050addition\051 operator yields the sum of its arguments. The arguments must either both be num-) 138.11 369.67 P --0.23 (bers, or both sequences of the same type. In the former case, the numbers are converted to a common) 99 356.67 P +(The) 99 369.67 T +2 F +("+") 118.31 369.67 T +1 F +(\050addition\051) 140.32 369.67 T +(operator) 185.91 369.67 T +(yields) 224.77 369.67 T +(the) 253.26 369.67 T +(sum) 268.91 369.67 T +(of) 289.46 369.67 T +(its) 300.83 369.67 T +(arguments.) 313.43 369.67 T +(The) 364.21 369.67 T +(arguments) 383.53 369.67 T +(must) 431.56 369.67 T +(either) 455.17 369.67 T +(both) 482.42 369.67 T +(be) 504.19 369.67 T +(num-) 516.78 369.67 T +(bers,) 99 356.67 T +(or) 122.6 356.67 T +(both) 134.29 356.67 T +(sequences) 156.37 356.67 T +(of) 203.48 356.67 T +(the) 215.17 356.67 T +(same) 231.13 356.67 T +(type.) 256.26 356.67 T +(In) 280.48 356.67 T +(the) 292.17 356.67 T +(former) 308.13 356.67 T +(case,) 340.58 356.67 T +(the) 364.79 356.67 T +(numbers) 380.75 356.67 T +(are) 421.16 356.67 T +(converted) 437.11 356.67 T +(to) 483.01 356.67 T +(a) 494.09 356.67 T +(common) 501.5 356.67 T (type and then added together. In the latter case, the sequences are concatenated.) 99 343.67 T -0.41 0.05 (The) 99 318.67 B -2 F -0.99 0.05 ("-") 119.49 318.67 B -1 F -0.41 0.05 ( \050subtraction\051 operator yields the difference of its arguments. The numeric arguments are) 139.45 318.67 B +(T) 99 318.67 T +(h) 105.78 318.67 T +(e) 111.33 318.67 T +2 F +(") 119.49 318.67 T +(-) 126.14 318.67 T +(") 132.8 318.67 T +1 F +(\050) 142.67 318.67 T +(s) 146.39 318.67 T +(u) 150.72 318.67 T +(b) 156.28 318.67 T +(t) 161.83 318.67 T +(r) 164.94 318.67 T +(a) 168.66 318.67 T +(c) 173.6 318.67 T +(t) 178.54 318.67 T +(i) 181.65 318.67 T +(o) 184.77 318.67 T +(n) 190.32 318.67 T +(\051) 195.88 318.67 T +(o) 202.81 318.67 T +(p) 208.37 318.67 T +(e) 213.92 318.67 T +(r) 218.86 318.67 T +(a) 222.58 318.67 T +(t) 227.52 318.67 T +(o) 230.63 318.67 T +(r) 236.18 318.67 T +(y) 243.12 318.67 T +(i) 248.68 318.67 T +(e) 251.79 318.67 T +(l) 256.73 318.67 T +(d) 259.84 318.67 T +(s) 265.39 318.67 T +(t) 272.95 318.67 T +(h) 276.06 318.67 T +(e) 281.61 318.67 T +(d) 289.77 318.67 T +(i) 295.33 318.67 T +(f) 298.44 318.67 T +(f) 302.16 318.67 T +(e) 305.87 318.67 T +(r) 310.81 318.67 T +(e) 314.53 318.67 T +(n) 319.47 318.67 T +(c) 325.02 318.67 T +(e) 329.96 318.67 T +(o) 338.12 318.67 T +(f) 343.67 318.67 T +(i) 350.61 318.67 T +(t) 353.72 318.67 T +(s) 356.84 318.67 T +(a) 364.39 318.67 T +(r) 369.33 318.67 T +(g) 373.04 318.67 T +(u) 378.6 318.67 T +(m) 384.15 318.67 T +(e) 392.77 318.67 T +(n) 397.7 318.67 T +(t) 403.26 318.67 T +(s) 406.37 318.67 T +(.) 410.71 318.67 T +(T) 416.73 318.67 T +(h) 423.51 318.67 T +(e) 429.06 318.67 T +(n) 437.22 318.67 T +(u) 442.77 318.67 T +(m) 448.33 318.67 T +(e) 456.94 318.67 T +(r) 461.88 318.67 T +(i) 465.6 318.67 T +(c) 468.71 318.67 T +(a) 476.87 318.67 T +(r) 481.8 318.67 T +(g) 485.52 318.67 T +(u) 491.08 318.67 T +(m) 496.63 318.67 T +(e) 505.24 318.67 T +(n) 510.18 318.67 T +(t) 515.74 318.67 T +(s) 518.85 318.67 T +(a) 526.4 318.67 T +(r) 531.34 318.67 T +(e) 535.06 318.67 T (first converted to a common type.) 99 305.67 T 0 14 Q (5.7) 99 278.67 T @@ -9050,34 +21317,115 @@ FrameNoSep 2 10 Q (shift_expr: a_expr | shift_expr \050 "<<" | ">>" \051 a_expr) 99 235.33 T 1 11 Q -0.36 (These operators accept plain or long integers as arguments. The arguments are converted to a com-) 99 210.67 P -0.04 (mon type. They shift the first argument to the left or right by the number of bits given by the second) 99 197.67 P +(These) 99 210.67 T +(operators) 128.38 210.67 T +(accept) 172.42 210.67 T +(plain) 203.62 210.67 T +(or) 228.73 210.67 T +(long) 241 210.67 T +(integers) 263.67 210.67 T +(as) 301.61 210.67 T +(arguments.) 313.88 210.67 T +(The) 365.56 210.67 T +(arguments) 385.78 210.67 T +(are) 434.71 210.67 T +(converted) 451.25 210.67 T +(to) 497.73 210.67 T +(a) 509.4 210.67 T +(com-) 517.4 210.67 T +(mon) 99 197.67 T +(type.) 121.35 197.67 T +(They) 145.82 197.67 T +(shift) 171.21 197.67 T +(the) 193.56 197.67 T +(first) 209.79 197.67 T +(argument) 230.3 197.67 T +(to) 274.63 197.67 T +(the) 285.98 197.67 T +(left) 302.2 197.67 T +(or) 319.65 197.67 T +(right) 331.6 197.67 T +(by) 355.17 197.67 T +(the) 368.96 197.67 T +(number) 385.18 197.67 T +(of) 421.58 197.67 T +(bits) 433.53 197.67 T +(given) 452.21 197.67 T +(by) 479.44 197.67 T +(the) 493.22 197.67 T +(second) 509.45 197.67 T (argument.) 99 184.67 T -0.2 (A right shift by) 99 159.67 P +(A) 99 159.67 T +(right) 109.89 159.67 T +(shift) 133.62 159.67 T +(by) 156.13 159.67 T 3 F -0.2 (n) 170.07 159.67 P -1 F -0.2 ( bits is defined as division by) 175.57 159.67 P -2 F -0.48 (pow\0502,) 308.05 159.67 P -1 F -0.2 (n\051. A left shift by) 347.65 159.67 P +(n) 170.07 159.67 T +1 F +(bits) 178.52 159.67 T +(is) 197.37 159.67 T +(defined) 207.65 159.67 T +(as) 243.59 159.67 T +(division) 255.7 159.67 T +(by) 294.11 159.67 T +2 F +(pow\0502,) 308.05 159.67 T +1 F +(n\051.) 347.65 159.67 T +(A) 362.52 159.67 T +(left) 373.41 159.67 T +(shift) 391.02 159.67 T +(by) 413.53 159.67 T 3 F -0.2 (n) 427.48 159.67 P -1 F -0.2 ( bits is defined as multi-) 432.98 159.67 P --0.34 (plication with) 99 146.67 P -2 F --0.83 (pow\0502,) 161.87 146.67 P -1 F --0.34 (n\051; for plain integers there is no overflow check so this drops bits and flips the) 201.47 146.67 P -0.19 (sign if the result is not less than) 99 133.67 P -2 F -0.46 (pow\0502,31\051) 242.3 133.67 P -1 F -0.19 ( in absolute value. Negative shift counts raise a) 301.7 133.67 P -2 F -0.46 (Val-) 513.6 133.67 P +(n) 427.48 159.67 T +1 F +(bits) 435.92 159.67 T +(is) 454.77 159.67 T +(defined) 465.05 159.67 T +(as) 500.99 159.67 T +(multi-) 513.1 159.67 T +(plication) 99 146.67 T +(with) 139.9 146.67 T +2 F +(pow\0502,) 161.87 146.67 T +1 F +(n\051;) 201.47 146.67 T +(for) 216.09 146.67 T +(plain) 231.32 146.67 T +(integers) 255.73 146.67 T +(there) 292.96 146.67 T +(is) 317.36 146.67 T +(no) 327.1 146.67 T +(overflow) 340.5 146.67 T +(check) 382.62 146.67 T +(so) 410.67 146.67 T +(this) 422.86 146.67 T +(drops) 441.16 146.67 T +(bits) 468.01 146.67 T +(and) 486.31 146.67 T +(flips) 504.6 146.67 T +(the) 526.56 146.67 T +(sign) 99 133.67 T +(if) 120.28 133.67 T +(the) 129.94 133.67 T +(result) 146.32 133.67 T +(is) 173.7 133.67 T +(not) 183.98 133.67 T +(less) 200.98 133.67 T +(than) 220.42 133.67 T +2 F +(pow\0502,31\051) 242.3 133.67 T +1 F +(in) 304.64 133.67 T +(absolute) 316.14 133.67 T +(value.) 355.74 133.67 T +(Negative) 385.26 133.67 T +(shift) 427.91 133.67 T +(counts) 450.41 133.67 T +(raise) 482.07 133.67 T +(a) 505.77 133.67 T +2 F +(Val-) 513.6 133.67 T (ueError) 99 120.67 T 1 F ( exception.) 145.2 120.67 T @@ -9086,208 +21434,600 @@ FrameNoSep (Binary bit-wise operations) 135 93.67 T 1 11 Q (Each of the three bitwise operations has a different priority level:) 99 68.67 T -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "33" 39 %%Page: "34" 40 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (34) 76.5 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 F (and_expr: shift_expr | and_expr "&" shift_expr) 76.5 713.33 T (xor_expr: and_expr | xor_expr "^" and_expr) 76.5 701.33 T (or_expr: xor_expr | or_expr "|" xor_expr) 76.5 689.33 T 1 11 Q -0.41 0.03 (The) 76.5 664.67 B -2 F -0.99 0.03 ("&") 96.88 664.67 B -1 F -0.41 0.03 ( operator yields the bit-wise AND of its arguments, which must be plain or long integers.) 116.77 664.67 B +(T) 76.5 664.67 T +(h) 83.25 664.67 T +(e) 88.78 664.67 T +2 F +(") 96.88 664.67 T +(&) 103.51 664.67 T +(") 110.14 664.67 T +1 F +(o) 119.96 664.67 T +(p) 125.49 664.67 T +(e) 131.02 664.67 T +(r) 135.93 664.67 T +(a) 139.62 664.67 T +(t) 144.54 664.67 T +(o) 147.62 664.67 T +(r) 153.15 664.67 T +(y) 160.03 664.67 T +(i) 165.56 664.67 T +(e) 168.65 664.67 T +(l) 173.56 664.67 T +(d) 176.65 664.67 T +(s) 182.18 664.67 T +(t) 189.68 664.67 T +(h) 192.76 664.67 T +(e) 198.29 664.67 T +(b) 206.4 664.67 T +(i) 211.92 664.67 T +(t) 215.01 664.67 T +(-) 218.1 664.67 T +(w) 221.79 664.67 T +(i) 229.76 664.67 T +(s) 232.85 664.67 T +(e) 237.15 664.67 T +(A) 245.26 664.67 T +(N) 253.23 664.67 T +(D) 261.2 664.67 T +(o) 272.36 664.67 T +(f) 277.89 664.67 T +(i) 284.77 664.67 T +(t) 287.86 664.67 T +(s) 290.95 664.67 T +(a) 298.45 664.67 T +(r) 303.36 664.67 T +(g) 307.05 664.67 T +(u) 312.58 664.67 T +(m) 318.11 664.67 T +(e) 326.7 664.67 T +(n) 331.61 664.67 T +(t) 337.14 664.67 T +(s) 340.22 664.67 T +(,) 344.53 664.67 T +(w) 350.5 664.67 T +(h) 358.47 664.67 T +(i) 364 664.67 T +(c) 367.09 664.67 T +(h) 372 664.67 T +(m) 380.72 664.67 T +(u) 389.31 664.67 T +(s) 394.83 664.67 T +(t) 399.14 664.67 T +(b) 405.42 664.67 T +(e) 410.95 664.67 T +(p) 419.05 664.67 T +(l) 424.58 664.67 T +(a) 427.67 664.67 T +(i) 432.58 664.67 T +(n) 435.67 664.67 T +(o) 444.39 664.67 T +(r) 449.92 664.67 T +(l) 456.8 664.67 T +(o) 459.89 664.67 T +(n) 465.42 664.67 T +(g) 470.94 664.67 T +(i) 479.66 664.67 T +(n) 482.75 664.67 T +(t) 488.28 664.67 T +(e) 491.37 664.67 T +(g) 496.28 664.67 T +(e) 501.81 664.67 T +(r) 506.72 664.67 T +(s) 510.41 664.67 T +(.) 514.72 664.67 T (The arguments are converted to a common type.) 76.5 651.67 T -0.41 0 (The) 76.5 626.67 B -2 F -0.99 0 ("^") 96.77 626.67 B -1 F -0.41 0 ( operator yields the bitwise XOR \050exclusive OR\051 of its arguments, which must be plain or) 116.57 626.67 B +(T) 76.5 626.67 T +(h) 83.22 626.67 T +(e) 88.72 626.67 T +2 F +(") 96.77 626.67 T +(^) 103.37 626.67 T +(") 109.97 626.67 T +1 F +(o) 119.73 626.67 T +(p) 125.23 626.67 T +(e) 130.73 626.67 T +(r) 135.62 626.67 T +(a) 139.28 626.67 T +(t) 144.16 626.67 T +(o) 147.22 626.67 T +(r) 152.72 626.67 T +(y) 159.55 626.67 T +(i) 165.05 626.67 T +(e) 168.1 626.67 T +(l) 172.99 626.67 T +(d) 176.05 626.67 T +(s) 181.55 626.67 T +(t) 188.99 626.67 T +(h) 192.05 626.67 T +(e) 197.55 626.67 T +(b) 205.59 626.67 T +(i) 211.09 626.67 T +(t) 214.15 626.67 T +(w) 217.21 626.67 T +(i) 225.15 626.67 T +(s) 228.21 626.67 T +(e) 232.49 626.67 T +(X) 240.54 626.67 T +(O) 248.48 626.67 T +(R) 256.42 626.67 T +(\050) 266.92 626.67 T +(e) 270.58 626.67 T +(x) 275.47 626.67 T +(c) 280.97 626.67 T +(l) 285.85 626.67 T +(u) 288.91 626.67 T +(s) 294.41 626.67 T +(i) 298.69 626.67 T +(v) 301.75 626.67 T +(e) 307.25 626.67 T +(O) 315.29 626.67 T +(R) 323.23 626.67 T +(\051) 330.57 626.67 T +(o) 337.4 626.67 T +(f) 342.9 626.67 T +(i) 349.72 626.67 T +(t) 352.78 626.67 T +(s) 355.84 626.67 T +(a) 363.28 626.67 T +(r) 368.17 626.67 T +(g) 371.83 626.67 T +(u) 377.33 626.67 T +(m) 382.83 626.67 T +(e) 391.39 626.67 T +(n) 396.27 626.67 T +(t) 401.77 626.67 T +(s) 404.83 626.67 T +(,) 409.11 626.67 T +(w) 415.02 626.67 T +(h) 422.96 626.67 T +(i) 428.46 626.67 T +(c) 431.52 626.67 T +(h) 436.41 626.67 T +(m) 445.07 626.67 T +(u) 453.63 626.67 T +(s) 459.13 626.67 T +(t) 463.41 626.67 T +(b) 469.63 626.67 T +(e) 475.13 626.67 T +(p) 483.17 626.67 T +(l) 488.67 626.67 T +(a) 491.73 626.67 T +(i) 496.61 626.67 T +(n) 499.67 626.67 T +(o) 508.34 626.67 T +(r) 513.84 626.67 T (long integers. The arguments are converted to a common type.) 76.5 613.67 T --0.17 (The) 76.5 588.67 P -2 F --0.41 ("|") 96.19 588.67 P -1 F --0.17 ( operator yields the bitwise \050inclusive\051 OR of its arguments, which must be plain or long in-) 115.99 588.67 P +(The) 76.5 588.67 T +2 F +("|") 96.19 588.67 T +1 F +(operator) 118.57 588.67 T +(yields) 157.8 588.67 T +(the) 186.66 588.67 T +(bitwise) 202.68 588.67 T +(\050inclusive\051) 237.04 588.67 T +(OR) 286.67 588.67 T +(of) 304.53 588.67 T +(its) 316.27 588.67 T +(arguments,) 329.25 588.67 T +(which) 380.41 588.67 T +(must) 409.87 588.67 T +(be) 433.85 588.67 T +(plain) 446.81 588.67 T +(or) 471.39 588.67 T +(long) 483.14 588.67 T +(in-) 505.28 588.67 T (tegers. The arguments are converted to a common type.) 76.5 575.67 T 0 14 Q (5.9) 76.5 548.67 T (Comparisons) 112.5 548.67 T 1 11 Q -0.26 (Contrary to C, all comparison operations in Python have the same priority, which is lower than that) 76.5 523.67 P -0.47 (of any arithmetic, shifting or bitwise operation. Also contrary to C, expressions like) 76.5 510.67 P -2 F -1.13 (a < b < c) 453.56 510.67 P +(Contrary) 76.5 523.67 T +(to) 118.61 523.67 T +(C,) 130.17 523.67 T +(all) 143.27 523.67 T +(comparison) 157.27 523.67 T +(operations) 211.6 523.67 T +(in) 260.44 523.67 T +(Python) 272 523.67 T +(have) 306.18 523.67 T +(the) 329.95 523.67 T +(same) 346.4 523.67 T +(priority,) 372.01 523.67 T +(which) 410.77 523.67 T +(is) 440.66 523.67 T +(lower) 451 523.67 T +(than) 479.05 523.67 T +(that) 501 523.67 T +(of) 76.5 510.67 T +(any) 88.89 510.67 T +(arithmetic,) 107.99 510.67 T +(shifting) 158.57 510.67 T +(or) 195.41 510.67 T +(bitwise) 207.8 510.67 T +(operation.) 242.8 510.67 T +(Also) 290.32 510.67 T +(contrary) 314.32 510.67 T +(to) 354.2 510.67 T +(C,) 365.98 510.67 T +(expressions) 379.29 510.67 T +(like) 433.83 510.67 T +2 F +(a) 453.56 510.67 T +(<) 467.89 510.67 T +(b) 482.23 510.67 T +(<) 496.56 510.67 T +(c) 510.9 510.67 T 1 F (have the interpretation that is conventional in mathematics:) 76.5 497.67 T 2 10 Q (comparison: or_expr \050comp_operator or_expr\051*) 76.5 479.33 T --1.8 (comp_operator: "<"|">"|"=="|">="|"<="|"<>"|"!="|"is" ["not"]|["not"] "in") 76.5 467.33 P +(comp_operator:) 76.5 467.33 T +("<"|">"|"=="|">="|"<="|"<>"|"!="|"is") 168.9 467.33 T +(["not"]|["not"]) 395.1 467.33 T +("in") 489.3 467.33 T 1 11 Q (Comparisons yield integer values: 1 for true, 0 for false.) 76.5 442.67 T --0.2 (Comparisons can be chained arbitrarily, e.g.) 76.5 417.67 P -2 F --0.49 (x < y <= z) 272.31 417.67 P -1 F --0.2 ( is equivalent to) 336.35 417.67 P -2 F --0.49 (x < y and y <= z,) 408.25 417.67 P -1 F --0.14 (except that) 76.5 404.67 P -2 F --0.35 (y) 126.92 404.67 P -1 F --0.14 ( is evaluated only once \050but in both cases) 133.52 404.67 P -2 F --0.35 (z) 315.83 404.67 P -1 F --0.14 ( is not evaluated at all when) 322.43 404.67 P -2 F --0.35 (x < y) 446.98 404.67 P -1 F --0.14 ( is found) 479.29 404.67 P +(Comparisons) 76.5 417.67 T +(can) 137.1 417.67 T +(be) 154.92 417.67 T +(chained) 167.85 417.67 T +(arbitrarily,) 204.6 417.67 T +(e.g.) 253.88 417.67 T +2 F +(x) 272.31 417.67 T +(<) 285.02 417.67 T +(y) 297.73 417.67 T +(<=) 310.44 417.67 T +(z) 329.75 417.67 T +1 F +(is) 338.89 417.67 T +(equivalent) 348.77 417.67 T +(to) 397.15 417.67 T +2 F +(x) 408.25 417.67 T +(<) 420.96 417.67 T +(y) 433.67 417.67 T +(and) 446.37 417.67 T +(y) 472.28 417.67 T +(<=) 484.99 417.67 T +(z,) 504.3 417.67 T +1 F +(except) 76.5 404.67 T +(that) 107.82 404.67 T +2 F +(y) 126.92 404.67 T +1 F +(is) 136.13 404.67 T +(evaluated) 146.07 404.67 T +(only) 190.83 404.67 T +(once) 212.99 404.67 T +(\050but) 236.36 404.67 T +(in) 256.69 404.67 T +(both) 267.85 404.67 T +(cases) 290.02 404.67 T +2 F +(z) 315.83 404.67 T +1 F +(is) 325.04 404.67 T +(not) 334.98 404.67 T +(evaluated) 351.64 404.67 T +(at) 396.4 404.67 T +(all) 406.95 404.67 T +(when) 420.55 404.67 T +2 F +(x) 446.98 404.67 T +(<) 459.84 404.67 T +(y) 472.69 404.67 T +1 F +(is) 481.89 404.67 T +(found) 491.84 404.67 T (to be false\051.) 76.5 391.67 T --0.31 (Formally, if) 76.5 366.67 P +(Formally,) 76.5 366.67 T +(if) 122.02 366.67 T 3 F --0.31 (a) 131.18 366.67 P +(a) 131.18 366.67 T 1 F --0.31 (,) 136.68 366.67 P +(,) 136.68 366.67 T 3 F --0.31 (b) 141.87 366.67 P +(b) 141.87 366.67 T 1 F --0.31 (,) 147.37 366.67 P +(,) 147.37 366.67 T 3 F --0.31 (c) 152.56 366.67 P +(c) 152.56 366.67 T 1 F --0.31 (, ...,) 157.44 366.67 P +(,) 157.44 366.67 T +(...,) 162.63 366.67 T 3 F --0.31 (y) 176.06 366.67 P +(y) 176.06 366.67 T 1 F --0.31 (,) 180.95 366.67 P +(,) 180.95 366.67 T 3 F --0.31 (z) 186.13 366.67 P +(z) 186.13 366.67 T 1 F --0.31 ( are expressions and) 190.41 366.67 P +(are) 192.85 366.67 T +(expressions) 208.72 366.67 T +(and) 262.48 366.67 T 3 F --0.31 (opa) 280.8 366.67 P +(opa) 280.8 366.67 T 1 F --0.31 (,) 297.3 366.67 P +(,) 297.3 366.67 T 3 F --0.31 (opb) 302.49 366.67 P +(opb) 302.49 366.67 T 1 F --0.31 (, ...,) 318.99 366.67 P +(,) 318.99 366.67 T +(...,) 324.18 366.67 T 3 F --0.31 (opy) 337.61 366.67 P +(opy) 337.61 366.67 T 1 F --0.31 ( are comparison operators, then) 353.5 366.67 P +(are) 355.93 366.67 T +(comparison) 371.8 366.67 T +(operators,) 425.57 366.67 T +(then) 471.68 366.67 T 3 F --0.31 (a opa) 493.06 366.67 P -0.05 (b opb c) 76.5 353.67 P +(a) 493.06 366.67 T +(opa) 501 366.67 T +(b) 76.5 353.67 T +(opb) 84.8 353.67 T +(c) 104.1 353.67 T 1 F -0.05 ( ...) 108.98 353.67 P +(...) 111.78 353.67 T 3 F -0.05 (y opy z) 122.82 353.67 P +(y) 122.82 353.67 T +(opy) 130.51 353.67 T +(z) 149.19 353.67 T 1 F -0.05 ( is equivalent to) 153.47 353.67 P +(is) 156.26 353.67 T +(equivalent) 166.4 353.67 T +(to) 215.02 353.67 T 3 F -0.05 (a opa b) 226.38 353.67 P +(a) 226.38 353.67 T +(opa) 234.68 353.67 T +(b) 253.97 353.67 T 2 F -0.12 (and) 262.27 353.67 P +(and) 262.27 353.67 T 3 F -0.05 (b opb c) 288.79 353.67 P +(b) 288.79 353.67 T +(opb) 297.08 353.67 T +(c) 316.38 353.67 T 2 F -0.12 (and) 324.06 353.67 P +(and) 324.06 353.67 T 1 F -0.05 ( ...) 343.86 353.67 P +(...) 346.66 353.67 T 3 F -0.05 (y opy z) 360.51 353.67 P -1 F -0.05 (, except that each expression) 391.15 353.67 P +(y) 360.51 353.67 T +(opy) 368.19 353.67 T +(z) 386.87 353.67 T +1 F +(,) 391.15 353.67 T +(except) 396.7 353.67 T +(that) 428.2 353.67 T +(each) 447.5 353.67 T +(expression) 470.45 353.67 T (is evaluated at most once.) 76.5 340.67 T -0.18 (Note that) 76.5 315.67 P +(Note) 76.5 315.67 T +(that) 100.81 315.67 T 3 F -0.18 (a opa b opb c) 120.24 315.67 P -1 F -0.18 ( doesn\325t imply any kind of comparison between) 180.84 315.67 P +(a) 120.24 315.67 T +(opa) 128.67 315.67 T +(b) 148.1 315.67 T +(opb) 156.52 315.67 T +(c) 175.95 315.67 T +1 F +(doesn\325t) 183.76 315.67 T +(imply) 219.07 315.67 T +(any) 247.68 315.67 T +(kind) 266.49 315.67 T +(of) 288.97 315.67 T +(comparison) 301.07 315.67 T +(between) 355.32 315.67 T 3 F -0.18 (a) 394.9 315.67 P +(a) 394.9 315.67 T 1 F -0.18 ( and) 400.4 315.67 P +(and) 403.33 315.67 T 3 F -0.18 (c) 422.14 315.67 P +(c) 422.14 315.67 T 1 F -0.18 (, so that e.g.) 427.02 315.67 P +(,) 427.02 315.67 T +(so) 432.7 315.67 T +(that) 445.41 315.67 T +(e.g.) 464.83 315.67 T 2 F -0.43 (x < y) 483.65 315.67 P +(x) 483.65 315.67 T +(<) 497.27 315.67 T +(y) 510.9 315.67 T (> z) 76.5 302.67 T 1 F ( is perfectly legal \050though perhaps not pretty\051.) 96.3 302.67 T --0.27 (The forms) 76.5 277.67 P +(The) 76.5 277.67 T +(forms) 96.08 277.67 T 2 F --0.66 (<>) 124.22 277.67 P +(<>) 124.22 277.67 T 1 F --0.27 ( and) 137.42 277.67 P +(and) 139.9 277.67 T 2 F --0.66 (!=) 158.25 277.67 P +(!=) 158.25 277.67 T 1 F --0.27 ( are equivalent; for consistency with C,) 171.45 277.67 P +(are) 173.93 277.67 T +(equivalent;) 189.84 277.67 T +(for) 241.2 277.67 T +(consistency) 256.5 277.67 T +(with) 310.3 277.67 T +(C,) 332.33 277.67 T 2 F --0.66 (!=) 344.89 277.67 P +(!=) 344.89 277.67 T 1 F --0.27 ( is preferred; where) 358.1 277.67 P +(is) 360.57 277.67 T +(preferred;) 370.38 277.67 T +(where) 416.22 277.67 T 2 F --0.66 (!=) 445.57 277.67 P +(!=) 445.57 277.67 T 1 F --0.27 ( is mentioned) 458.77 277.67 P +(is) 461.24 277.67 T +(mentioned) 471.06 277.67 T (below) 76.5 264.67 T 2 F (<>) 106.13 264.67 T 1 F ( is also implied.) 119.33 264.67 T --0.01 (The operators) 76.5 239.67 P -2 F --0.02 ("<", ">", "==", ">=", "<=") 140.02 239.67 P -1 F --0.01 (, and) 311.54 239.67 P -2 F --0.02 ("!=") 335.65 239.67 P -1 F --0.01 ( compare the values of two objects.) 362.05 239.67 P -0.25 (The objects needn\325t have the same type. If both are numbers, they are converted to a common type.) 76.5 226.67 P --0.03 (Otherwise, objects of different types) 76.5 213.67 P +(The) 76.5 239.67 T +(operators) 96.35 239.67 T +2 F +("<",) 140.02 239.67 T +(">",) 173 239.67 T +("==",) 205.98 239.67 T +(">=",) 245.56 239.67 T +("<=") 285.14 239.67 T +1 F +(,) 311.54 239.67 T +(and) 317.03 239.67 T +2 F +("!=") 335.65 239.67 T +1 F +(compare) 364.8 239.67 T +(the) 405.41 239.67 T +(values) 421.59 239.67 T +(of) 452.44 239.67 T +(two) 464.35 239.67 T +(objects.) 483.59 239.67 T +(The) 76.5 226.67 T +(objects) 96.6 226.67 T +(needn\325t) 130.76 226.67 T +(have) 166.74 226.67 T +(the) 190.5 226.67 T +(same) 206.94 226.67 T +(type.) 232.54 226.67 T +(If) 257.23 226.67 T +(both) 267.55 226.67 T +(are) 290.1 226.67 T +(numbers,) 306.52 226.67 T +(they) 350.15 226.67 T +(are) 372.09 226.67 T +(converted) 388.51 226.67 T +(to) 434.88 226.67 T +(a) 446.43 226.67 T +(common) 454.31 226.67 T +(type.) 495.81 226.67 T +(Otherwise,) 76.5 213.67 T +(objects) 127.18 213.67 T +(of) 161.06 213.67 T +(different) 172.94 213.67 T +(types) 213.53 213.67 T 3 F --0.03 (always) 239.46 213.67 P -1 F --0.03 ( compare unequal, and are ordered consistently but arbi-) 270.02 213.67 P -0.41 0.05 (trarily. \050This unusual definition of comparison is done to simplify the definition of operations like) 76.5 200.67 B +(always) 239.46 213.67 T +1 F +(compare) 272.74 213.67 T +(unequal,) 313.33 213.67 T +(and) 353.62 213.67 T +(are) 372.22 213.67 T +(ordered) 388.37 213.67 T +(consistently) 424.68 213.67 T +(but) 479.96 213.67 T +(arbi-) 496.73 213.67 T +(t) 76.5 200.67 T +(r) 79.61 200.67 T +(a) 83.32 200.67 T +(r) 88.25 200.67 T +(i) 91.96 200.67 T +(l) 95.06 200.67 T +(y) 98.17 200.67 T +(.) 103.71 200.67 T +(\050) 109.72 200.67 T +(T) 113.43 200.67 T +(h) 120.2 200.67 T +(i) 125.75 200.67 T +(s) 128.85 200.67 T +(u) 136.39 200.67 T +(n) 141.93 200.67 T +(u) 147.48 200.67 T +(s) 153.03 200.67 T +(u) 157.35 200.67 T +(a) 162.9 200.67 T +(l) 167.83 200.67 T +(d) 174.15 200.67 T +(e) 179.7 200.67 T +(f) 184.63 200.67 T +(i) 188.34 200.67 T +(n) 191.44 200.67 T +(i) 196.99 200.67 T +(t) 200.1 200.67 T +(i) 203.2 200.67 T +(o) 206.3 200.67 T +(n) 211.85 200.67 T +(o) 220.61 200.67 T +(f) 226.16 200.67 T +(c) 233.08 200.67 T +(o) 238.01 200.67 T +(m) 243.55 200.67 T +(p) 252.16 200.67 T +(a) 257.71 200.67 T +(r) 262.64 200.67 T +(i) 266.35 200.67 T +(s) 269.45 200.67 T +(o) 273.78 200.67 T +(n) 279.33 200.67 T +(i) 288.08 200.67 T +(s) 291.19 200.67 T +(d) 298.72 200.67 T +(o) 304.27 200.67 T +(n) 309.82 200.67 T +(e) 315.37 200.67 T +(t) 323.51 200.67 T +(o) 326.61 200.67 T +(s) 335.37 200.67 T +(i) 339.7 200.67 T +(m) 342.8 200.67 T +(p) 351.4 200.67 T +(l) 356.95 200.67 T +(i) 360.06 200.67 T +(f) 363.16 200.67 T +(y) 366.87 200.67 T +(t) 375.63 200.67 T +(h) 378.73 200.67 T +(e) 384.28 200.67 T +(d) 392.42 200.67 T +(e) 397.97 200.67 T +(f) 402.9 200.67 T +(i) 406.61 200.67 T +(n) 409.72 200.67 T +(i) 415.26 200.67 T +(t) 418.37 200.67 T +(i) 421.47 200.67 T +(o) 424.58 200.67 T +(n) 430.13 200.67 T +(o) 438.88 200.67 T +(f) 444.43 200.67 T +(o) 451.35 200.67 T +(p) 456.9 200.67 T +(e) 462.45 200.67 T +(r) 467.38 200.67 T +(a) 471.09 200.67 T +(t) 476.02 200.67 T +(i) 479.12 200.67 T +(o) 482.23 200.67 T +(n) 487.77 200.67 T +(s) 493.32 200.67 T +(l) 500.86 200.67 T +(i) 503.96 200.67 T +(k) 507.07 200.67 T +(e) 512.61 200.67 T (sorting and the) 76.5 187.67 T 2 F (in) 144.63 187.67 T @@ -9302,7 +22042,19 @@ FrameNoSep (\245) 76.5 143.67 T (Numbers are compared arithmetically.) 90.9 143.67 T (\245) 76.5 124.67 T -0.77 (Strings are compared lexicographically using the numeric equivalents \050the result of the built-in) 90.9 124.67 P +(Strings) 90.9 124.67 T +(are) 125.6 124.67 T +(compared) 142.55 124.67 T +(lexicographically) 189.45 124.67 T +(using) 269.34 124.67 T +(the) 296.7 124.67 T +(numeric) 313.67 124.67 T +(equivalents) 353.23 124.67 T +(\050the) 406.86 124.67 T +(result) 427.49 124.67 T +(of) 455.45 124.67 T +(the) 468.14 124.67 T +(built-in) 485.11 124.67 T (function) 90.9 111.67 T 2 F (ord) 130.31 111.67 T @@ -9311,519 +22063,1045 @@ FrameNoSep (\245) 76.5 92.67 T (Tuples and lists are compared lexicographically using comparison of corresponding items.) 90.9 92.67 T (\245) 76.5 73.67 T --0.38 (Mappings \050dictionaries\051 are compared through lexicographic comparison of their sorted \050key, val-) 90.9 73.67 P -0 0 0 1 0 0 0 K +(Mappings) 90.9 73.67 T +(\050dictionaries\051) 137.27 73.67 T +(are) 198.3 73.67 T +(compared) 214.1 73.67 T +(through) 259.85 73.67 T +(lexicographic) 296.45 73.67 T +(comparison) 358.69 73.67 T +(of) 412.39 73.67 T +(their) 423.93 73.67 T +(sorted) 446.47 73.67 T +(\050key,) 475.72 73.67 T +(val-) 500.39 73.67 T FMENDPAGE %%EndPage: "34" 40 %%Page: "35" 41 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (35) 530 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 585 292.5 598.5 720 R 5 9 Q -(\245) 0 -90 592.5 720 TF -(Expressions) 0 -90 592.5 711 TF +(\245) 0 270 592.5 720 TF +(Expressions) 0 270 592.5 711 TF 585 292.5 598.5 720 R -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q -(ue\051 lists.) 113.4 712.67 T +(ue\051 lists.) 113.4 709.73 T 1 8.8 Q -(1) 150.68 717.07 T -1 11 Q -(\245) 99 693.67 T --0.13 (Most other types compare unequal unless they are the same object; the choice whether one object) 113.4 693.67 P --0.3 (is considered smaller or larger than another one is made arbitrarily but consistently within one ex-) 113.4 680.67 P -(ecution of a program.) 113.4 667.67 T -0.05 (The operators) 99 642.67 P -2 F -0.12 (in) 162.64 642.67 P -1 F -0.05 ( and) 175.84 642.67 P -2 F -0.12 (not in) 197.33 642.67 P -1 F -0.05 ( test for sequence membership: if) 237.05 642.67 P +(1) 150.68 714.13 T +1 11 Q +(\245) 99 690.73 T +(Most) 113.4 690.73 T +(other) 138.63 690.73 T +(types) 163.85 690.73 T +(compare) 189.69 690.73 T +(unequal) 230.18 690.73 T +(unless) 267.62 690.73 T +(they) 297.74 690.73 T +(are) 319.3 690.73 T +(the) 335.35 690.73 T +(same) 351.4 690.73 T +(object;) 376.62 690.73 T +(the) 409.18 690.73 T +(choice) 425.24 690.73 T +(whether) 456.57 690.73 T +(one) 494.61 690.73 T +(object) 513.12 690.73 T +(is) 113.4 677.73 T +(considered) 123.19 677.73 T +(smaller) 173.29 677.73 T +(or) 208.13 677.73 T +(larger) 219.74 677.73 T +(than) 247.85 677.73 T +(another) 269.24 677.73 T +(one) 304.68 677.73 T +(is) 323.02 677.73 T +(made) 332.81 677.73 T +(arbitrarily) 359.09 677.73 T +(but) 405.53 677.73 T +(consistently) 422.04 677.73 T +(within) 477.05 677.73 T +(one) 507.62 677.73 T +(ex-) 525.95 677.73 T +(ecution of a program.) 113.4 664.73 T +(The) 99 639.73 T +(operators) 118.91 639.73 T +2 F +(in) 162.64 639.73 T +1 F +(and) 178.64 639.73 T +2 F +(not) 197.33 639.73 T +(in) 223.85 639.73 T +1 F +(test) 239.85 639.73 T +(for) 257.93 639.73 T +(sequence) 273.56 639.73 T +(membership:) 316.68 639.73 T +(if) 376.92 639.73 T 3 F -0.05 (y) 386.44 642.67 P +(y) 386.44 639.73 T 1 F -0.05 ( is a sequence,) 391.33 642.67 P +(is) 394.13 639.73 T +(a) 404.27 639.73 T +(sequence,) 411.95 639.73 T 3 F -0.05 (x) 457.82 642.67 P +(x) 457.82 639.73 T 1 F -0.05 ( in) 462.7 642.67 P +(in) 465.5 639.73 T 3 F -0.05 (y) 476.86 642.67 P -1 F -0.05 ( is true if and) 481.75 642.67 P --0.34 (only if there exists an index) 99 629.67 P +(y) 476.86 639.73 T +1 F +(is) 484.55 639.73 T +(true) 494.69 639.73 T +(if) 514.59 639.73 T +(and) 524.12 639.73 T +(only) 99 626.73 T +(if) 120.96 626.73 T +(there) 130.09 626.73 T +(exists) 154.48 626.73 T +(an) 181.95 626.73 T +(index) 194.74 626.73 T 3 F --0.34 (i) 221.59 629.67 P +(i) 221.59 626.73 T 1 F --0.34 ( such that) 224.64 629.67 P +(such) 227.05 626.73 T +(that) 249.62 626.73 T 3 F --0.34 (x) 268.52 629.67 P +(x) 268.52 626.73 T 1 F --0.34 ( =) 273.41 629.67 P +(=) 275.81 626.73 T 3 F --0.34 (y) 284.42 629.67 P +(y) 284.42 626.73 T 1 F --0.34 ([) 289.3 629.67 P +([) 289.3 626.73 T 3 F --0.34 (i) 292.97 629.67 P +(i) 292.97 626.73 T 1 F --0.34 (].) 296.03 629.67 P +(].) 296.03 626.73 T 3 F --0.34 (x) 304.84 629.67 P +(x) 304.84 626.73 T 1 F --0.34 ( not in) 309.73 629.67 P +(not) 312.13 626.73 T +(in) 328.6 626.73 T 3 F --0.34 (y) 339.56 629.67 P +(y) 339.56 626.73 T 1 F --0.34 ( yields the inverse truth value. The exception) 344.44 629.67 P +(yields) 346.85 626.73 T +(the) 375.53 626.73 T +(inverse) 391.38 626.73 T +(truth) 425.55 626.73 T +(value.) 448.74 626.73 T +(The) 477.72 626.73 T +(exception) 497.23 626.73 T 2 F -0.6 (TypeError) 99 616.67 P +(TypeError) 99 613.73 T 1 F -0.25 ( is raised when) 158.4 616.67 P +(is) 161.4 613.73 T +(raised) 171.74 613.73 T +(when) 201.01 613.73 T 3 F -0.25 (y) 227.84 616.67 P -1 F -0.25 ( is not a sequence, or when) 232.72 616.67 P +(y) 227.84 613.73 T +1 F +(is) 235.72 613.73 T +(not) 246.06 613.73 T +(a) 263.12 613.73 T +(sequence,) 271 613.73 T +(or) 317.07 613.73 T +(when) 329.23 613.73 T 3 F -0.25 (y) 356.06 616.67 P +(y) 356.06 613.73 T 1 F -0.25 ( is a string and) 360.94 616.67 P +(is) 363.94 613.73 T +(a) 374.28 613.73 T +(string) 382.17 613.73 T +(and) 410.23 613.73 T 3 F -0.25 (x) 429.11 616.67 P -1 F -0.25 ( is not a string of length) 433.99 616.67 P -(one.) 99 603.67 T +(x) 429.11 613.73 T +1 F +(is) 436.99 613.73 T +(not) 447.33 613.73 T +(a) 464.39 613.73 T +(string) 472.28 613.73 T +(of) 500.34 613.73 T +(length) 512.5 613.73 T +(one.) 99 597.8 T 1 8.8 Q -(2) 117.63 608.07 T +(2) 117.63 602.2 T 1 11 Q --0.47 (The operators) 99 578.67 P +(The) 99 572.8 T +(operators) 118.38 572.8 T 2 F --1.14 (is) 161.59 578.67 P +(is) 161.59 572.8 T 1 F --0.47 ( and) 174.79 578.67 P +(and) 177.06 572.8 T 2 F --1.14 (is not) 195.22 578.67 P +(is) 195.22 572.8 T +(not) 213.88 572.8 T 1 F --0.47 ( test for object identity:) 233.68 578.67 P +(test) 235.96 572.8 T +(for) 253.51 572.8 T +(object) 268.61 572.8 T +(identity:) 297.77 572.8 T 3 F --0.47 (x) 336.72 578.67 P +(x) 336.72 572.8 T 2 F --1.14 (is) 343.88 578.67 P +(is) 343.88 572.8 T 3 F --0.47 (y) 359.36 578.67 P -1 F --0.47 ( is true if and only if) 364.24 578.67 P +(y) 359.36 572.8 T +1 F +(is) 366.52 572.8 T +(true) 376.13 572.8 T +(if) 395.51 572.8 T +(and) 404.5 572.8 T +(only) 422.66 572.8 T +(if) 444.5 572.8 T 3 F --0.47 (x) 453.49 578.67 P +(x) 453.49 572.8 T 1 F --0.47 ( and) 458.38 578.67 P +(and) 460.65 572.8 T 3 F --0.47 (y) 478.81 578.67 P +(y) 478.81 572.8 T 1 F --0.47 ( are the same) 483.7 578.67 P -(object.) 99 565.67 T +(are) 485.97 572.8 T +(the) 501.68 572.8 T +(same) 517.4 572.8 T +(object.) 99 559.8 T 3 F -(x) 131.38 565.67 T +(x) 131.38 559.8 T 2 F -(is not) 139.02 565.67 T +(is not) 139.02 559.8 T 3 F -(y) 181.37 565.67 T +(y) 181.37 559.8 T 1 F -( yields the inverse truth value.) 186.25 565.67 T +( yields the inverse truth value.) 186.25 559.8 T 0 14 Q -(5.10) 99 538.67 T -(Boolean operations) 135 538.67 T +(5.10) 99 532.8 T +(Boolean operations) 135 532.8 T 1 11 Q -(Boolean operations have the lowest priority of all Python operations:) 99 513.67 T +(Boolean operations have the lowest priority of all Python operations:) 99 507.8 T 2 10 Q -(expression: or_test | lambda_form) 99 495.33 T -(or_test: and_test | or_test "or" and_test) 99 483.33 T -(and_test: not_test | and_test "and" not_test) 99 471.33 T -(not_test: comparison | "not" not_test) 99 459.33 T -(lambda_form:) 99 447.33 T -("lambda" [parameter_list]: expression) 171 447.33 T -1 11 Q --0.23 (In the context of Boolean operations, and also when expressions are used by control flow statements,) 99 422.67 P -0.41 0.17 (the following values are interpreted as false:) 99 409.67 B -2 F -0.99 0.17 (None) 307.52 409.67 B -1 F -0.41 0.17 (, numeric zero of all types, empty sequences) 334.6 409.67 B --0.32 (\050strings, tuples and lists\051, and empty mappings \050dictionaries\051. All other values are interpreted as true.) 99 396.67 P -(The operator) 99 371.67 T -2 F -(not) 158.26 371.67 T -1 F -( yields 1 if its argument is false, 0 otherwise.) 178.06 371.67 T -0.25 (The expression) 99 346.67 P +(expression: or_test | lambda_form) 99 489.47 T +(or_test: and_test | or_test "or" and_test) 99 477.47 T +(and_test: not_test | and_test "and" not_test) 99 465.47 T +(not_test: comparison | "not" not_test) 99 453.47 T +(lambda_form:) 99 441.47 T +("lambda" [parameter_list]: expression) 171 441.47 T +1 11 Q +(In) 99 416.8 T +(the) 110.68 416.8 T +(context) 126.64 416.8 T +(of) 161.54 416.8 T +(Boolean) 173.22 416.8 T +(operations,) 212.4 416.8 T +(and) 263.49 416.8 T +(also) 281.89 416.8 T +(when) 302.12 416.8 T +(expressions) 328.47 416.8 T +(are) 382.31 416.8 T +(used) 398.26 416.8 T +(by) 420.93 416.8 T +(control) 434.45 416.8 T +(flow) 468.13 416.8 T +(statements,) 490.81 416.8 T +(t) 99 403.8 T +(h) 102.23 403.8 T +(e) 107.9 403.8 T +(f) 116.28 403.8 T +(o) 120.12 403.8 T +(l) 125.79 403.8 T +(l) 129.01 403.8 T +(o) 132.24 403.8 T +(w) 137.91 403.8 T +(i) 146.02 403.8 T +(n) 149.25 403.8 T +(g) 154.92 403.8 T +(v) 163.93 403.8 T +(a) 169.6 403.8 T +(l) 174.65 403.8 T +(u) 177.88 403.8 T +(e) 183.55 403.8 T +(s) 188.6 403.8 T +(a) 196.38 403.8 T +(r) 201.43 403.8 T +(e) 205.27 403.8 T +(i) 213.65 403.8 T +(n) 216.88 403.8 T +(t) 222.55 403.8 T +(e) 225.78 403.8 T +(r) 230.83 403.8 T +(p) 234.67 403.8 T +(r) 240.34 403.8 T +(e) 244.17 403.8 T +(t) 249.22 403.8 T +(e) 252.45 403.8 T +(d) 257.51 403.8 T +(a) 266.51 403.8 T +(s) 271.56 403.8 T +(f) 279.34 403.8 T +(a) 283.18 403.8 T +(l) 288.23 403.8 T +(s) 291.46 403.8 T +(e) 295.91 403.8 T +(:) 300.96 403.8 T +2 F +(N) 307.52 403.8 T +(o) 314.29 403.8 T +(n) 321.06 403.8 T +(e) 327.83 403.8 T +1 F +(,) 334.6 403.8 T +(n) 340.85 403.8 T +(u) 346.52 403.8 T +(m) 352.19 403.8 T +(e) 360.92 403.8 T +(r) 365.97 403.8 T +(i) 369.81 403.8 T +(c) 373.04 403.8 T +(z) 381.42 403.8 T +(e) 386.48 403.8 T +(r) 391.53 403.8 T +(o) 395.36 403.8 T +(o) 404.36 403.8 T +(f) 410.03 403.8 T +(a) 417.2 403.8 T +(l) 422.25 403.8 T +(l) 425.48 403.8 T +(t) 432.04 403.8 T +(y) 435.27 403.8 T +(p) 440.94 403.8 T +(e) 446.61 403.8 T +(s) 451.66 403.8 T +(,) 456.11 403.8 T +(e) 462.36 403.8 T +(m) 467.42 403.8 T +(p) 476.15 403.8 T +(t) 481.82 403.8 T +(y) 485.04 403.8 T +(s) 494.05 403.8 T +(e) 498.49 403.8 T +(q) 503.55 403.8 T +(u) 509.22 403.8 T +(e) 514.89 403.8 T +(n) 519.94 403.8 T +(c) 525.61 403.8 T +(e) 530.67 403.8 T +(s) 535.72 403.8 T +(\050strings,) 99 390.8 T +(tuples) 137.18 390.8 T +(and) 165.9 390.8 T +(lists\051,) 184.21 390.8 T +(and) 210.79 390.8 T +(empty) 229.11 390.8 T +(mappings) 259.05 390.8 T +(\050dictionaries\051.) 304.26 390.8 T +(All) 368.09 390.8 T +(other) 384.58 390.8 T +(values) 409.62 390.8 T +(are) 440.16 390.8 T +(interpreted) 456.03 390.8 T +(as) 506.11 390.8 T +(true.) 517.71 390.8 T +(The operator) 99 365.8 T +2 F +(not) 158.26 365.8 T +1 F +( yields 1 if its argument is false, 0 otherwise.) 178.06 365.8 T +(The) 99 340.8 T +(expression) 119.11 340.8 T 3 F -0.25 (x) 169.16 346.67 P +(x) 169.16 340.8 T 2 F -0.61 (and) 177.05 346.67 P +(and) 177.05 340.8 T 3 F -0.25 (y) 199.85 346.67 P +(y) 199.85 340.8 T 1 F -0.25 ( first evaluates) 204.73 346.67 P +(first) 207.74 340.8 T +(evaluates) 228.46 340.8 T 3 F -0.25 (x) 272.4 346.67 P +(x) 272.4 340.8 T 1 F -0.25 (; if) 277.28 346.67 P +(;) 277.28 340.8 T +(if) 283.34 340.8 T 3 F -0.25 (x) 293.07 346.67 P -1 F -0.25 ( is false, its value is returned; otherwise,) 297.95 346.67 P +(x) 293.07 340.8 T +1 F +(is) 300.95 340.8 T +(false,) 311.3 340.8 T +(its) 337.82 340.8 T +(value) 351.21 340.8 T +(is) 378.04 340.8 T +(returned;) 388.39 340.8 T +(otherwise,) 431.1 340.8 T 3 F -0.25 (y) 479.62 346.67 P +(y) 479.62 340.8 T 1 F -0.25 ( is evaluated) 484.5 346.67 P -(and the resulting value is returned.) 99 333.67 T --0.18 (The expression) 99 308.67 P +(is) 487.51 340.8 T +(evaluated) 497.85 340.8 T +(and the resulting value is returned.) 99 327.8 T +(The) 99 302.8 T +(expression) 118.68 302.8 T 3 F --0.18 (x) 168.3 308.67 P +(x) 168.3 302.8 T 2 F --0.43 (or) 175.75 308.67 P +(or) 175.75 302.8 T 3 F --0.18 (y) 191.52 308.67 P +(y) 191.52 302.8 T 1 F --0.18 ( first evaluates) 196.41 308.67 P +(first) 198.98 302.8 T +(evaluates) 219.27 302.8 T 3 F --0.18 (x) 262.78 308.67 P +(x) 262.78 302.8 T 1 F --0.18 (; if) 267.66 308.67 P +(;) 267.66 302.8 T +(if) 273.29 302.8 T 3 F --0.18 (x) 282.58 308.67 P -1 F --0.18 ( is true, its value is returned; otherwise,) 287.47 308.67 P +(x) 282.58 302.8 T +1 F +(is) 290.04 302.8 T +(true,) 299.95 302.8 T +(its) 322.38 302.8 T +(value) 335.35 302.8 T +(is) 361.74 302.8 T +(returned;) 371.65 302.8 T +(otherwise,) 413.93 302.8 T 3 F --0.18 (y) 462.02 308.67 P -1 F --0.18 ( is evaluated and) 466.91 308.67 P -(the resulting value is returned.) 99 295.67 T -0.04 (\050Note that neither) 99 270.67 P -2 F -0.09 (and) 179.46 270.67 P -1 F -0.04 ( nor) 199.26 270.67 P -2 F -0.09 (or) 219.5 270.67 P -1 F -0.04 ( restrict the value and type they return to 0 and 1, but rather return the) 232.7 270.67 P --0.34 (last evaluated argument. This is sometimes useful, e.g. if) 99 257.67 P -2 F --0.82 (s) 348.61 257.67 P -1 F --0.34 ( is a string that should be replaced by a de-) 355.21 257.67 P --0.08 (fault value if it is empty, the expression) 99 244.67 P -2 F --0.19 (s or \325foo\325) 275.27 244.67 P -1 F --0.08 ( yields the desired value. Because) 340.89 244.67 P -2 F --0.19 (not) 491.64 244.67 P -1 F --0.08 ( has to) 511.44 244.67 P -0.36 (invent a value anyway, it does not bother to return a value of the same type as its argument, so e.g.) 99 231.67 P -2 F -(not \325foo\325) 99 218.67 T -1 F -( yields) 158.4 218.67 T -2 F -(0) 190.18 218.67 T -1 F -(, not) 196.78 218.67 T -2 F -(\325\325) 219.09 218.67 T -1 F -(.\051) 232.29 218.67 T -0.41 0.12 (Lambda forms \050lambda expressions\051 have the same syntactic position as expressions. They are a) 99 193.67 B -0.41 0.03 (shorthand to create anonymous functions; the expression) 99 180.67 B -2 F -0.99 0.03 (lambda) 356.08 180.67 B -1 F -0.41 0.03 ( arguments) 395.84 180.67 B -2 F -0.99 0.03 (:) 445.1 180.67 B -1 F -0.41 0.03 ( expression yields a) 451.73 180.67 B -(function object that behaves virtually identical to one defined with) 99 167.67 T -2 10 Q -(def name \050arguments\051:) 99 149.33 T -0 0 0 1 0 0 0 K +(y) 462.02 302.8 T +1 F +(is) 469.48 302.8 T +(evaluated) 479.39 302.8 T +(and) 524.11 302.8 T +(the resulting value is returned.) 99 289.8 T +(\050Note) 99 264.8 T +(that) 126.84 264.8 T +(neither) 146.12 264.8 T +2 F +(and) 179.46 264.8 T +1 F +(nor) 202.05 264.8 T +2 F +(or) 219.5 264.8 T +1 F +(restrict) 235.49 264.8 T +(the) 268.83 264.8 T +(value) 285.06 264.8 T +(and) 311.67 264.8 T +(type) 330.35 264.8 T +(they) 352.08 264.8 T +(return) 373.81 264.8 T +(to) 402.86 264.8 T +(0) 414.21 264.8 T +(and) 422.5 264.8 T +(1,) 441.17 264.8 T +(but) 452.21 264.8 T +(rather) 469.06 264.8 T +(return) 497.5 264.8 T +(the) 526.56 264.8 T +(last) 99 251.8 T +(evaluated) 116.69 251.8 T +(argument.) 161.25 251.8 T +(This) 207.96 251.8 T +(is) 229.93 251.8 T +(sometimes) 239.67 251.8 T +(useful,) 289.14 251.8 T +(e.g.) 321.19 251.8 T +(if) 339.48 251.8 T +2 F +(s) 348.61 251.8 T +1 F +(is) 357.62 251.8 T +(a) 367.37 251.8 T +(string) 374.66 251.8 T +(that) 402.13 251.8 T +(should) 421.04 251.8 T +(be) 452.79 251.8 T +(replaced) 465.58 251.8 T +(by) 505.25 251.8 T +(a) 518.66 251.8 T +(de-) 525.95 251.8 T +(fault) 99 238.8 T +(value) 121.83 238.8 T +(if) 148.33 238.8 T +(it) 157.72 238.8 T +(is) 166.51 238.8 T +(empty,) 176.52 238.8 T +(the) 209.44 238.8 T +(expression) 225.55 238.8 T +2 F +(s) 275.27 238.8 T +(or) 288.28 238.8 T +(\325foo\325) 307.89 238.8 T +1 F +(yields) 343.56 238.8 T +(the) 372.51 238.8 T +(desired) 388.63 238.8 T +(value.) 423.07 238.8 T +(Because) 452.31 238.8 T +2 F +(not) 491.64 238.8 T +1 F +(has) 514.11 238.8 T +(to) 531.44 238.8 T +(invent) 99 225.8 T +(a) 129.61 225.8 T +(value) 137.6 225.8 T +(anyway,) 164.54 225.8 T +(it) 204.61 225.8 T +(does) 213.83 225.8 T +(not) 237.1 225.8 T +(bother) 254.27 225.8 T +(to) 285.48 225.8 T +(return) 297.15 225.8 T +(a) 326.53 225.8 T +(value) 334.52 225.8 T +(of) 361.46 225.8 T +(the) 373.73 225.8 T +(same) 390.28 225.8 T +(type) 415.99 225.8 T +(as) 438.05 225.8 T +(its) 450.32 225.8 T +(argument,) 463.82 225.8 T +(so) 511.23 225.8 T +(e.g.) 524.12 225.8 T +2 F +(not \325foo\325) 99 212.8 T +1 F +( yields) 158.4 212.8 T +2 F +(0) 190.18 212.8 T +1 F +(, not) 196.78 212.8 T +2 F +(\325\325) 219.09 212.8 T +1 F +(.\051) 232.29 212.8 T +(L) 99 187.8 T +(a) 105.85 187.8 T +(m) 110.86 187.8 T +(b) 119.54 187.8 T +(d) 125.16 187.8 T +(a) 130.79 187.8 T +(f) 139.08 187.8 T +(o) 142.87 187.8 T +(r) 148.5 187.8 T +(m) 152.28 187.8 T +(s) 160.97 187.8 T +(\050) 168.66 187.8 T +(l) 172.45 187.8 T +(a) 175.63 187.8 T +(m) 180.64 187.8 T +(b) 189.32 187.8 T +(d) 194.95 187.8 T +(a) 200.57 187.8 T +(e) 208.87 187.8 T +(x) 213.88 187.8 T +(p) 219.5 187.8 T +(r) 225.12 187.8 T +(e) 228.91 187.8 T +(s) 233.92 187.8 T +(s) 238.32 187.8 T +(i) 242.73 187.8 T +(o) 245.91 187.8 T +(n) 251.54 187.8 T +(s) 257.16 187.8 T +(\051) 261.57 187.8 T +(h) 268.64 187.8 T +(a) 274.27 187.8 T +(v) 279.27 187.8 T +(e) 284.9 187.8 T +(t) 293.2 187.8 T +(h) 296.38 187.8 T +(e) 302 187.8 T +(s) 310.3 187.8 T +(a) 314.7 187.8 T +(m) 319.71 187.8 T +(e) 328.39 187.8 T +(s) 336.69 187.8 T +(y) 341.09 187.8 T +(n) 346.72 187.8 T +(t) 352.34 187.8 T +(a) 355.53 187.8 T +(c) 360.54 187.8 T +(t) 365.54 187.8 T +(i) 368.73 187.8 T +(c) 371.91 187.8 T +(p) 380.21 187.8 T +(o) 385.83 187.8 T +(s) 391.45 187.8 T +(i) 395.86 187.8 T +(t) 399.04 187.8 T +(i) 402.23 187.8 T +(o) 405.41 187.8 T +(n) 411.03 187.8 T +(a) 419.95 187.8 T +(s) 424.95 187.8 T +(e) 432.64 187.8 T +(x) 437.65 187.8 T +(p) 443.28 187.8 T +(r) 448.9 187.8 T +(e) 452.69 187.8 T +(s) 457.7 187.8 T +(s) 462.1 187.8 T +(i) 466.51 187.8 T +(o) 469.69 187.8 T +(n) 475.32 187.8 T +(s) 480.94 187.8 T +(.) 485.34 187.8 T +(T) 491.51 187.8 T +(h) 498.35 187.8 T +(e) 503.98 187.8 T +(y) 508.98 187.8 T +(a) 517.9 187.8 T +(r) 522.91 187.8 T +(e) 526.69 187.8 T +(a) 534.99 187.8 T +(s) 99 174.8 T +(h) 103.31 174.8 T +(o) 108.83 174.8 T +(r) 114.36 174.8 T +(t) 118.05 174.8 T +(h) 121.14 174.8 T +(a) 126.66 174.8 T +(n) 131.57 174.8 T +(d) 137.1 174.8 T +(t) 145.82 174.8 T +(o) 148.9 174.8 T +(c) 157.62 174.8 T +(r) 162.53 174.8 T +(e) 166.22 174.8 T +(a) 171.13 174.8 T +(t) 176.05 174.8 T +(e) 179.13 174.8 T +(a) 187.23 174.8 T +(n) 192.14 174.8 T +(o) 197.67 174.8 T +(n) 203.2 174.8 T +(y) 208.73 174.8 T +(m) 214.25 174.8 T +(o) 222.84 174.8 T +(u) 228.37 174.8 T +(s) 233.89 174.8 T +(f) 241.39 174.8 T +(u) 245.08 174.8 T +(n) 250.61 174.8 T +(c) 256.13 174.8 T +(t) 261.05 174.8 T +(i) 264.13 174.8 T +(o) 267.22 174.8 T +(n) 272.74 174.8 T +(s) 278.27 174.8 T +(;) 282.58 174.8 T +(t) 288.85 174.8 T +(h) 291.94 174.8 T +(e) 297.46 174.8 T +(e) 305.57 174.8 T +(x) 310.48 174.8 T +(p) 316 174.8 T +(r) 321.53 174.8 T +(e) 325.22 174.8 T +(s) 330.13 174.8 T +(s) 334.44 174.8 T +(i) 338.75 174.8 T +(o) 341.83 174.8 T +(n) 347.36 174.8 T +2 F +(l) 356.08 174.8 T +(a) 362.7 174.8 T +(m) 369.33 174.8 T +(b) 375.96 174.8 T +(d) 382.58 174.8 T +(a) 389.21 174.8 T +1 F +(a) 399.03 174.8 T +(r) 403.94 174.8 T +(g) 407.63 174.8 T +(u) 413.16 174.8 T +(m) 418.69 174.8 T +(e) 427.27 174.8 T +(n) 432.18 174.8 T +(t) 437.71 174.8 T +(s) 440.8 174.8 T +2 F +(:) 445.1 174.8 T +1 F +(e) 454.92 174.8 T +(x) 459.83 174.8 T +(p) 465.36 174.8 T +(r) 470.88 174.8 T +(e) 474.57 174.8 T +(s) 479.49 174.8 T +(s) 483.79 174.8 T +(i) 488.1 174.8 T +(o) 491.18 174.8 T +(n) 496.71 174.8 T +(y) 505.43 174.8 T +(i) 510.95 174.8 T +(e) 514.04 174.8 T +(l) 518.95 174.8 T +(d) 522.04 174.8 T +(s) 527.57 174.8 T +(a) 535.06 174.8 T +(function object that behaves virtually identical to one defined with) 99 161.8 T 99 128 540 143 C -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 108 141 252 141 2 L 0.5 H 2 Z 0 X -0 0 0 1 0 0 0 K N -0 0 0 1 0 0 0 K 0 0 612 792 C -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 11 Q 0 X -0 0 0 1 0 0 0 K (1.) 108 120.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.22 (This is expensive since it requires sorting the keys first, but about the only sensible defini-) 121.5 120.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.7 (tion. An earlier version of Python compared dictionaries by identity only, but this caused) 121.46 107.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.41 (surprises because people expected to be able to test a dictionary for emptiness by comparing) 121.46 94.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(This) 121.5 120.67 T +(is) 144.03 120.67 T +(expensive) 154.34 120.67 T +(since) 201.3 120.67 T +(it) 226.87 120.67 T +(requires) 235.96 120.67 T +(sorting) 274.36 120.67 T +(the) 307.89 120.67 T +(keys) 324.3 120.67 T +(first,) 347.44 120.67 T +(but) 370.88 120.67 T +(about) 387.91 120.67 T +(the) 415.32 120.67 T +(only) 431.73 120.67 T +(sensible) 454.26 120.67 T +(defini-) 492.67 120.67 T +(tion.) 121.46 107.67 T +(An) 144.78 107.67 T +(earlier) 161.68 107.67 T +(version) 193.23 107.67 T +(of) 229.07 107.67 T +(Python) 241.68 107.67 T +(compared) 276.31 107.67 T +(dictionaries) 323.14 107.67 T +(by) 377.92 107.67 T +(identity) 392.38 107.67 T +(only,) 429.45 107.67 T +(but) 455.21 107.67 T +(this) 472.72 107.67 T +(caused) 492.07 107.67 T +(surprises) 121.46 94.67 T +(because) 162.91 94.67 T +(people) 200.06 94.67 T +(expected) 231.72 94.67 T +(to) 273.15 94.67 T +(be) 284.05 94.67 T +(able) 296.77 94.67 T +(to) 317.44 94.67 T +(test) 328.33 94.67 T +(a) 345.95 94.67 T +(dictionary) 353.17 94.67 T +(for) 400.11 94.67 T +(emptiness) 415.28 94.67 T +(by) 461.61 94.67 T +(comparing) 474.95 94.67 T (it to) 121.46 81.67 T 2 F ({}) 141.64 81.67 T 1 F (.) 154.84 81.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (2.) 108 68.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (The latter restriction is sometimes a nuisance.) 121.5 68.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "35" 41 %%Page: "36" 42 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (36) 76.5 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -2 F -( return expression) 76.5 713.33 T -1 11 Q -0.41 0 (See \322Function definitions\323 on page) 76.5 688.67 B -0.41 0 (50 for the syntax of parameter lists. Note that functions created) 235.56 688.67 B -(with lambda forms cannot contain statements.) 76.5 675.67 T +2 F +(def name \050arguments\051:) 76.5 713.33 T +( return expression) 76.5 701.33 T +1 11 Q +(S) 76.5 676.67 T +(e) 82.62 676.67 T +(e) 87.5 676.67 T +(\322) 95.55 676.67 T +(F) 100.44 676.67 T +(u) 106.56 676.67 T +(n) 112.06 676.67 T +(c) 117.56 676.67 T +(t) 122.45 676.67 T +(i) 125.51 676.67 T +(o) 128.57 676.67 T +(n) 134.07 676.67 T +(d) 142.74 676.67 T +(e) 148.24 676.67 T +(f) 153.12 676.67 T +(i) 156.79 676.67 T +(n) 159.85 676.67 T +(i) 165.35 676.67 T +(t) 168.41 676.67 T +(i) 171.47 676.67 T +(o) 174.53 676.67 T +(n) 180.03 676.67 T +(s) 185.53 676.67 T +(\323) 189.81 676.67 T +(o) 197.86 676.67 T +(n) 203.37 676.67 T +(p) 212.03 676.67 T +(a) 217.53 676.67 T +(g) 222.42 676.67 T +(e) 227.92 676.67 T +(5) 235.56 676.67 T +(0) 241.06 676.67 T +(f) 249.73 676.67 T +(o) 253.39 676.67 T +(r) 258.89 676.67 T +(t) 265.72 676.67 T +(h) 268.78 676.67 T +(e) 274.28 676.67 T +(s) 282.33 676.67 T +(y) 286.61 676.67 T +(n) 292.12 676.67 T +(t) 297.62 676.67 T +(a) 300.68 676.67 T +(x) 305.56 676.67 T +(o) 314.23 676.67 T +(f) 319.73 676.67 T +(p) 326.56 676.67 T +(a) 332.06 676.67 T +(r) 336.95 676.67 T +(a) 340.61 676.67 T +(m) 345.5 676.67 T +(e) 354.06 676.67 T +(t) 358.95 676.67 T +(e) 362 676.67 T +(r) 366.89 676.67 T +(l) 373.72 676.67 T +(i) 376.78 676.67 T +(s) 379.84 676.67 T +(t) 384.12 676.67 T +(s) 387.18 676.67 T +(.) 391.46 676.67 T +(N) 397.38 676.67 T +(o) 405.32 676.67 T +(t) 410.82 676.67 T +(e) 413.88 676.67 T +(t) 421.93 676.67 T +(h) 424.99 676.67 T +(a) 430.49 676.67 T +(t) 435.38 676.67 T +(f) 441.61 676.67 T +(u) 445.27 676.67 T +(n) 450.77 676.67 T +(c) 456.27 676.67 T +(t) 461.16 676.67 T +(i) 464.22 676.67 T +(o) 467.28 676.67 T +(n) 472.78 676.67 T +(s) 478.28 676.67 T +(c) 485.73 676.67 T +(r) 490.61 676.67 T +(e) 494.28 676.67 T +(a) 499.16 676.67 T +(t) 504.05 676.67 T +(e) 507.11 676.67 T +(d) 512 676.67 T +(with lambda forms cannot contain statements.) 76.5 663.67 T 0 14 Q -(5.11) 76.5 648.67 T -(Expression lists) 112.5 648.67 T +(5.11) 76.5 636.67 T +(Expression lists) 112.5 636.67 T 2 10 Q -(expression_list: expression \050"," expression\051* [","]) 76.5 624.33 T -1 11 Q --0.26 (An expression list containing at least one comma yields a tuple. The length of the tuple is the number) 76.5 599.67 P -(of expressions in the list. The expressions are evaluated from left to right.) 76.5 586.67 T --0.04 (The trailing comma is required only to create a single tuple \050a.k.a. a) 76.5 561.67 P +(expression_list: expression \050"," expression\051* [","]) 76.5 612.33 T +1 11 Q +(An) 76.5 587.67 T +(expression) 92.43 587.67 T +(list) 141.96 587.67 T +(containing) 157.9 587.67 T +(at) 206.82 587.67 T +(least) 217.25 587.67 T +(one) 239.9 587.67 T +(comma) 258.27 587.67 T +(yields) 293.14 587.67 T +(a) 321.9 587.67 T +(tuple.) 329.27 587.67 T +(The) 356.51 587.67 T +(length) 376.1 587.67 T +(of) 406.08 587.67 T +(the) 417.73 587.67 T +(tuple) 433.66 587.67 T +(is) 458.14 587.67 T +(the) 467.97 587.67 T +(number) 483.89 587.67 T +(of expressions in the list. The expressions are evaluated from left to right.) 76.5 574.67 T +(The) 76.5 549.67 T +(trailing) 96.31 549.67 T +(comma) 130.8 549.67 T +(is) 165.89 549.67 T +(required) 175.94 549.67 T +(only) 215.3 549.67 T +(to) 237.57 549.67 T +(create) 248.84 549.67 T +(a) 277.8 549.67 T +(single) 285.39 549.67 T +(tuple) 314.38 549.67 T +(\050a.k.a.) 339.09 549.67 T +(a) 368.98 549.67 T 3 F --0.04 (single) 376.57 561.67 P -1 F --0.04 (\051; it is optional in all other) 402.85 561.67 P --0.28 (cases. A single expression without a trailing comma doesn\325t create a tuple, but rather yields the value) 76.5 548.67 P -(of that expression. \050To create an empty tuple, use an empty pair of parentheses:) 76.5 535.67 T -2 F -(\050\051) 428.42 535.67 T -1 F -(.\051) 441.62 535.67 T -0 0 0 1 0 0 0 K +(single) 376.57 549.67 T +1 F +(\051;) 402.85 549.67 T +(it) 412.28 549.67 T +(is) 421.11 549.67 T +(optional) 431.15 549.67 T +(in) 469.92 549.67 T +(all) 481.19 549.67 T +(other) 494.89 549.67 T +(cases.) 76.5 536.67 T +(A) 104.93 536.67 T +(single) 115.35 536.67 T +(expression) 144.1 536.67 T +(without) 193.62 536.67 T +(a) 229.71 536.67 T +(trailing) 237.07 536.67 T +(comma) 271.32 536.67 T +(doesn\325t) 306.18 536.67 T +(create) 341.04 536.67 T +(a) 369.77 536.67 T +(tuple,) 377.12 536.67 T +(but) 404.35 536.67 T +(rather) 420.88 536.67 T +(yields) 449.01 536.67 T +(the) 477.76 536.67 T +(value) 493.67 536.67 T +(of that expression. \050To create an empty tuple, use an empty pair of parentheses:) 76.5 523.67 T +2 F +(\050\051) 428.42 523.67 T +1 F +(.\051) 441.62 523.67 T FMENDPAGE %%EndPage: "36" 42 %%Page: "37" 43 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (37) 530 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 585 292.5 598.5 720 R 5 9 Q -(\245) 0 -90 592.5 720 TF -(Expressions) 0 -90 592.5 711 TF +(\245) 0 270 592.5 720 TF +(Expressions) 0 270 592.5 711 TF 585 292.5 598.5 720 R -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 14 Q (5.12) 99 710.67 T (Summary) 135 710.67 T 1 11 Q -0.37 (The following table summarizes the operator precedences in Python, from lowest precedence \050least) 99 685.67 P --0.23 (binding\051 to highest precedence \050most binding\051. Operators in the same box have the same precedence.) 99 672.67 P -0.64 (Unless the syntax is explicitly given, operators are binary. Operators in the same box group left to) 99 659.67 P +(The) 99 685.67 T +(following) 119.23 685.67 T +(table) 165.13 685.67 T +(summarizes) 189.63 685.67 T +(the) 245.3 685.67 T +(operator) 261.87 685.67 T +(precedences) 301.64 685.67 T +(in) 358.51 685.67 T +(Python,) 370.19 685.67 T +(from) 407.24 685.67 T +(lowest) 431.74 685.67 T +(precedence) 463.58 685.67 T +(\050least) 516.17 685.67 T +(binding\051) 99 672.67 T +(to) 138.8 672.67 T +(highest) 149.88 672.67 T +(precedence) 184.18 672.67 T +(\050most) 236.17 672.67 T +(binding\051.) 263.76 672.67 T +(Operators) 306.31 672.67 T +(in) 352.2 672.67 T +(the) 363.28 672.67 T +(same) 379.25 672.67 T +(box) 404.38 672.67 T +(have) 423.4 672.67 T +(the) 446.69 672.67 T +(same) 462.65 672.67 T +(precedence.) 487.78 672.67 T +(Unless) 99 659.67 T +(the) 132.33 659.67 T +(syntax) 149.16 659.67 T +(is) 181.27 659.67 T +(explicitly) 192 659.67 T +(given,) 236.95 659.67 T +(operators) 267.53 659.67 T +(are) 311.85 659.67 T +(binary.) 328.67 659.67 T +(Operators) 362.91 659.67 T +(in) 409.67 659.67 T +(the) 421.62 659.67 T +(same) 438.45 659.67 T +(box) 464.45 659.67 T +(group) 484.34 659.67 T +(left) 513.39 659.67 T +(to) 531.44 659.67 T (right \050except for comparisons, which chain from left to right \321 see above\051.) 99 646.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 4 12 Q (T) 208.14 623 T (able 4: Operator Pr) 215.04 623 T (ecedence) 315.8 623 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 11 Q (or) 185.77 599.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F (Boolean OR) 350.65 599.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 F (and) 182.48 578.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F (Boolean AND) 346.38 578.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 F (not) 175.88 557.67 T 6 F (x) 202.27 557.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F (Boolean NO) 347.21 557.67 T (T) 402.07 557.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 F (in, not in) 159.38 536.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (is, is not) 159.38 523.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (<, <=, >, >=, <>, !=, =) 116.47 510.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F (Membership tests) 339.04 536.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Identity tests) 349.74 523.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Comparisons) 348.97 510.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 F (|) 189.07 489.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F (Bitwise OR) 352.18 489.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 F (^) 189.07 468.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F (Bitwise XOR) 348.21 468.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 F (&) 189.07 447.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F (Bitwise AND) 347.9 447.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 F (<<, >>) 172.57 426.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F (Shifts) 365.16 426.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 F (+, -) 179.18 405.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F (Addition and subtraction) 323.31 405.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 F (*, /, %) 169.27 384.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F (Multiplication, di) 301.14 384.67 T (vision, remainder) 377.87 384.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 3 F (+x, -x) 179.2 363.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (~x) 186.96 350.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 F (Positi) 339.44 363.67 T (v) 364.23 363.67 T @@ -9832,16 +23110,10 @@ FrameNoSep (ati) 395.62 363.67 T (v) 406.34 363.67 T (e) 411.68 363.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Bitwise not) 352.79 350.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 3 F (x.attrib) 169.72 329.67 T (ute) 201.59 329.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (x) 174.47 316.67 T 1 F ([) 179.35 316.67 T @@ -9850,8 +23122,6 @@ FrameNoSep (x) 201.74 316.67 T 1 F (]) 206.62 316.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 3 F (x) 160.83 303.67 T 1 F @@ -9862,8 +23132,6 @@ FrameNoSep (x) 215.37 303.67 T 1 F (]) 220.25 303.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 3 F (f) 157.29 290.67 T 1 F @@ -9873,21 +23141,11 @@ FrameNoSep (guments) 173.38 290.67 T 1 F (, ...\051) 210.05 290.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Attrib) 336.42 329.67 T (ute reference) 362.48 329.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Subscription) 350.19 316.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Slicing) 362.41 303.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Function call) 349.12 290.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (\050) 155.11 269.67 T 3 F (e) 158.78 269.67 T @@ -9895,8 +23153,6 @@ FrameNoSep (essions) 177.7 269.67 T 1 F ( . . .\051) 209.47 269.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ([) 155.11 256.67 T 3 F (e) 158.78 256.67 T @@ -9904,8 +23160,6 @@ FrameNoSep (essions) 177.7 256.67 T 1 F ( . . .]) 209.47 256.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ({) 154.78 243.67 T 3 F (k) 160.06 243.67 T @@ -9913,8 +23167,6 @@ FrameNoSep (y:datum) 169.39 243.67 T 1 F (, . . .}) 205.44 243.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (`) 165.5 230.67 T 3 F (e) 169.16 230.67 T @@ -9922,22 +23174,12 @@ FrameNoSep (ession) 188.09 230.67 T 1 F (`) 215.59 230.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Binding or tuple display) 324.68 269.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (List display) 352.18 256.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Dictionary display) 337.21 243.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (String con) 339.35 230.67 T (v) 384.43 230.67 T (ersion) 389.77 230.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 99 612.75 99 223.25 2 L V 0.5 H @@ -9991,71 +23233,31 @@ N 98.75 223 470.5 223 2 L V N -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "37" 43 %%Page: "38" 44 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (38) 76.5 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "38" 44 %%Page: "39" 45 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (39) 530 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 585 292.5 598.5 720 R 5 9 Q -(\245) 0 -90 592.5 720 TF -(Simple statements) 0 -90 592.5 711 TF +(\245) 0 270 592.5 720 TF +(Simple statements) 0 270 592.5 711 TF 585 292.5 598.5 720 R -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 16 Q (C) 99 709.33 T 0 12.8 Q @@ -10067,7 +23269,21 @@ FrameNoSep (IMPLE) 208.67 709.33 T (STATEMENTS) 252.24 709.33 T 1 11 Q --0.43 (Simple statements are comprised within a single logical line. Several simple statements may occur on) 99 672.67 P +(Simple) 99 672.67 T +(statements) 132.5 672.67 T +(are) 181.26 672.67 T +(comprised) 197.01 672.67 T +(within) 245.16 672.67 T +(a) 275.6 672.67 T +(single) 282.81 672.67 T +(logical) 311.41 672.67 T +(line.) 343.67 672.67 T +(Several) 365.25 672.67 T +(simple) 400.56 672.67 T +(statements) 432.22 672.67 T +(may) 480.98 672.67 T +(occur) 502.25 672.67 T +(on) 529 672.67 T (a single line separated by semicolons. The syntax for simple statements is:) 99 659.67 T 2 10 Q (simple_stmt: expression_stmt) 99 641.33 T @@ -10087,33 +23303,136 @@ FrameNoSep (6.1) 99 470.67 T (Expression statements) 135 470.67 T 1 11 Q -0.58 (Expression statements are used \050mostly interactively\051 to compute and write a value, or \050usually\051 to) 99 445.67 P --0.01 (call a procedure \050a function that returns no meaningful result; in Python, procedures return the value) 99 432.67 P -2 F -0.9 (None) 99 419.67 P -1 F -0.38 (\051. Other uses of expression statements are allowed and occasionally useful. The syntax for an) 125.4 419.67 P +(Expression) 99 445.67 T +(statements) 151.21 445.67 T +(are) 200.98 445.67 T +(used) 217.74 445.67 T +(\050mostly) 241.23 445.67 T +(interactively\051) 278.18 445.67 T +(to) 340.16 445.67 T +(compute) 352.04 445.67 T +(and) 393.26 445.67 T +(write) 412.47 445.67 T +(a) 438.4 445.67 T +(value,) 446.61 445.67 T +(or) 476.52 445.67 T +(\050usually\051) 489.01 445.67 T +(to) 531.44 445.67 T +(call) 99 432.67 T +(a) 117.62 432.67 T +(procedure) 125.25 432.67 T +(\050a) 171.97 432.67 T +(function) 183.26 432.67 T +(that) 222.66 432.67 T +(returns) 241.9 432.67 T +(no) 275.19 432.67 T +(meaningful) 288.93 432.67 T +(result;) 341.78 432.67 T +(in) 372.02 432.67 T +(Python,) 383.32 432.67 T +(procedures) 419.98 432.67 T +(return) 470.98 432.67 T +(the) 499.99 432.67 T +(value) 516.17 432.67 T +2 F +(None) 99 419.67 T +1 F +(\051.) 125.4 419.67 T +(Other) 134.94 419.67 T +(uses) 163.11 419.67 T +(of) 185.18 419.67 T +(expression) 197.46 419.67 T +(statements) 247.63 419.67 T +(are) 297.2 419.67 T +(allowed) 313.76 419.67 T +(and) 351.71 419.67 T +(occasionally) 370.72 419.67 T +(useful.) 428.83 419.67 T +(The) 461.59 419.67 T +(syntax) 481.82 419.67 T +(for) 513.66 419.67 T +(an) 529.61 419.67 T (expression statement is:) 99 406.67 T 2 10 Q (expression_stmt: expression_list) 99 388.33 T 1 11 Q --0.16 (An expression statement evaluates the expression list \050which may be a single expression\051. In interac-) 99 363.67 P --0.35 (tive mode, if the value is not) 99 350.67 P -2 F --0.84 (None) 224.89 350.67 P -1 F --0.35 (, it is converted to a string using the built-in) 251.29 350.67 P -2 F --0.84 (repr\050\051) 443.05 350.67 P -1 F --0.35 ( function and) 482.65 350.67 P -0.28 (the resulting string is written to standard output \050see \322The print statement\323 on page) 99 337.67 P -0.28 (42\051 on a line by) 469.84 337.67 P --0.24 (itself. \050Expression statements yielding) 99 324.67 P -2 F --0.58 (None) 268.83 324.67 P -1 F --0.24 ( are not written, so that procedure calls do not cause any) 295.23 324.67 P +(An) 99 363.67 T +(expression) 115.03 363.67 T +(statement) 164.66 363.67 T +(evaluates) 209.41 363.67 T +(the) 252.93 363.67 T +(expression) 268.96 363.67 T +(list) 318.6 363.67 T +(\050which) 334.64 363.67 T +(may) 367.77 363.67 T +(be) 389.3 363.67 T +(a) 402.27 363.67 T +(single) 409.74 363.67 T +(expression\051.) 438.61 363.67 T +(In) 494.66 363.67 T +(interac-) 506.41 363.67 T +(tive) 99 350.67 T +(mode,) 117.9 350.67 T +(if) 147.49 350.67 T +(the) 156.62 350.67 T +(value) 172.46 350.67 T +(is) 198.69 350.67 T +(not) 208.43 350.67 T +2 F +(None) 224.89 350.67 T +1 F +(,) 251.29 350.67 T +(it) 256.44 350.67 T +(is) 264.95 350.67 T +(converted) 274.69 350.67 T +(to) 320.47 350.67 T +(a) 331.43 350.67 T +(string) 338.71 350.67 T +(using) 366.17 350.67 T +(the) 392.41 350.67 T +(built-in) 408.25 350.67 T +2 F +(repr\050\051) 443.05 350.67 T +1 F +(function) 485.05 350.67 T +(and) 524.12 350.67 T +(the) 99 337.67 T +(resulting) 115.47 337.67 T +(string) 157 337.67 T +(is) 185.08 337.67 T +(written) 195.45 337.67 T +(to) 229.64 337.67 T +(standard) 241.22 337.67 T +(output) 281.52 337.67 T +(\050see) 312.66 337.67 T +(\322The) 333.4 337.67 T +(print) 358.42 337.67 T +(statement\323) 382.22 337.67 T +(on) 432.3 337.67 T +(page) 446.33 337.67 T +(42\051) 469.84 337.67 T +(on) 487.53 337.67 T +(a) 501.56 337.67 T +(line) 509.47 337.67 T +(by) 529 337.67 T +(itself.) 99 324.67 T +(\050Expression) 126.26 324.67 T +(statements) 181.31 324.67 T +(yielding) 230.26 324.67 T +2 F +(None) 268.83 324.67 T +1 F +(are) 297.73 324.67 T +(not) 313.67 324.67 T +(written,) 330.24 324.67 T +(so) 366.66 324.67 T +(that) 378.94 324.67 T +(procedure) 397.95 324.67 T +(calls) 444.43 324.67 T +(do) 467.11 324.67 T +(not) 480.61 324.67 T +(cause) 497.18 324.67 T +(any) 524.12 324.67 T (output.\051) 99 311.67 T 0 14 Q (6.2) 99 284.67 T @@ -10159,304 +23478,830 @@ FrameNoSep 6 11 Q (expression2) 369 130.67 T 1 F --0.34 (These equivalences assume that) 99 105.67 P -2 F --0.82 (__debug__) 240.6 105.67 P -1 F --0.34 ( and) 300 105.67 P -2 F --0.82 (AssertionError) 320.7 105.67 P -1 F --0.34 ( refer to the built-in variables) 413.1 105.67 P --0.46 (with those names. In the current implementation, the built-in variable) 99 92.67 P -2 F --1.1 (__debug__) 402.39 92.67 P -1 F --0.46 ( is 1 under normal) 461.79 92.67 P --0.2 (circumstances, 0 when optimization is requested \050command line option) 99 79.67 P -2 F --0.49 (-O) 413.08 79.67 P -1 F --0.2 (\051. The current code gener-) 426.28 79.67 P -0 0 0 1 0 0 0 K +(These) 99 105.67 T +(equivalences) 127.68 105.67 T +(assume) 186.9 105.67 T +(that) 221.69 105.67 T +2 F +(__debug__) 240.6 105.67 T +1 F +(and) 302.41 105.67 T +2 F +(AssertionError) 320.7 105.67 T +1 F +(refer) 415.51 105.67 T +(to) 438.67 105.67 T +(the) 449.64 105.67 T +(built-in) 465.49 105.67 T +(variables) 500.29 105.67 T +(with) 99 92.67 T +(those) 120.85 92.67 T +(names.) 146.36 92.67 T +(In) 179.51 92.67 T +(the) 190.96 92.67 T +(current) 206.7 92.67 T +(implementation,) 240.14 92.67 T +(the) 314.24 92.67 T +(built-in) 329.98 92.67 T +(variable) 364.66 92.67 T +2 F +(__debug__) 402.39 92.67 T +1 F +(is) 464.08 92.67 T +(1) 473.71 92.67 T +(under) 481.5 92.67 T +(normal) 508.84 92.67 T +(circumstances,) 99 79.67 T +(0) 166.61 79.67 T +(when) 174.66 79.67 T +(optimization) 201.03 79.67 T +(is) 259.19 79.67 T +(requested) 269.08 79.67 T +(\050command) 313.78 79.67 T +(line) 363.37 79.67 T +(option) 382.42 79.67 T +2 F +(-O) 413.08 79.67 T +1 F +(\051.) 426.28 79.67 T +(The) 435.24 79.67 T +(current) 454.89 79.67 T +(code) 488.59 79.67 T +(gener-) 511.91 79.67 T FMENDPAGE %%EndPage: "39" 45 %%Page: "40" 46 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (40) 76.5 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -1 11 Q -0.29 (ator emits no code for an) 72 712.67 P -2 F -0.7 (assert) 186.16 712.67 P -1 F -0.29 ( statement when optimization is requested at compile time. Note that it) 225.76 712.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.11 (is unnecessary to include the source code for the expression that failed in the error message; it will be dis-) 72 699.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +1 11 Q +(ator) 72 712.67 T +(emits) 92.15 712.67 T +(no) 119.02 712.67 T +(code) 133.06 712.67 T +(for) 156.87 712.67 T +(an) 172.74 712.67 T +2 F +(assert) 186.16 712.67 T +1 F +(statement) 228.81 712.67 T +(when) 274.01 712.67 T +(optimization) 300.88 712.67 T +(is) 359.53 712.67 T +(requested) 369.91 712.67 T +(at) 415.1 712.67 T +(compile) 426.09 712.67 T +(time.) 464.57 712.67 T +(Note) 489.92 712.67 T +(that) 514.34 712.67 T +(it) 533.88 712.67 T +(is) 72 699.67 T +(unnecessary) 82.2 699.67 T +(to) 138.82 699.67 T +(include) 150.24 699.67 T +(the) 185.48 699.67 T +(source) 201.79 699.67 T +(code) 233.36 699.67 T +(for) 256.99 699.67 T +(the) 272.67 699.67 T +(expression) 288.98 699.67 T +(that) 338.89 699.67 T +(failed) 358.25 699.67 T +(in) 386.15 699.67 T +(the) 397.57 699.67 T +(error) 413.88 699.67 T +(message;) 438.11 699.67 T +(it) 481.3 699.67 T +(will) 490.28 699.67 T +(be) 510.25 699.67 T +(dis-) 523.5 699.67 T (played as part of the stack trace.) 72 686.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 14 Q (6.3) 72 659.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Assignment statements) 108 659.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q -0.49 (Assignment statements are used to \050re\051bind names to values and to modify attributes or items of mutable) 72 634.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(Assignment) 72 634.67 T +(statements) 127.8 634.67 T +(are) 177.49 634.67 T +(used) 194.16 634.67 T +(to) 217.56 634.67 T +(\050re\051bind) 229.37 634.67 T +(names) 268.04 634.67 T +(to) 299.39 634.67 T +(values) 311.19 634.67 T +(and) 342.53 634.67 T +(to) 361.66 634.67 T +(modify) 373.46 634.67 T +(attributes) 408.48 634.67 T +(or) 452.67 634.67 T +(items) 465.07 634.67 T +(of) 492.15 634.67 T +(mutable) 504.56 634.67 T (objects:) 72 621.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 10 Q (assignment_stmt: \050target_list "="\051+ expression_list) 72 603.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (target_list: target \050"," target\051* [","]) 72 591.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (target: identifier | "\050" target_list "\051" | "[" target_list "]") 72 579.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( | attributeref | subscription | slicing) 72 567.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q (\050See \322Primaries\323 on page) 72 542.67 T (29 for the syntax definitions for the last three symbols.\051) 186.25 542.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.34 (An assignment statement evaluates the expression list \050remember that this can be a single expression or a) 72 517.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.25 (comma-separated list, the latter yielding a tuple\051 and assigns the single resulting object to each of the target) 72 504.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(An) 72 517.67 T +(assignment) 88.53 517.67 T +(statement) 141.12 517.67 T +(evaluates) 186.38 517.67 T +(the) 230.4 517.67 T +(expression) 246.93 517.67 T +(list) 297.07 517.67 T +(\050remember) 313.62 517.67 T +(that) 364.96 517.67 T +(this) 384.56 517.67 T +(can) 403.54 517.67 T +(be) 421.9 517.67 T +(a) 435.38 517.67 T +(single) 443.35 517.67 T +(expression) 472.72 517.67 T +(or) 522.86 517.67 T +(a) 535.11 517.67 T +(comma-separated) 72 504.67 T +(list,) 152.08 504.67 T +(the) 170.78 504.67 T +(latter) 186.72 504.67 T +(yielding) 211.82 504.67 T +(a) 250.37 504.67 T +(tuple\051) 257.75 504.67 T +(and) 285.91 504.67 T +(assigns) 304.29 504.67 T +(the) 338.57 504.67 T +(single) 354.5 504.67 T +(resulting) 383.28 504.67 T +(object) 424.27 504.67 T +(to) 453.65 504.67 T +(each) 464.71 504.67 T +(of) 487.36 504.67 T +(the) 499.02 504.67 T +(target) 514.95 504.67 T (lists, from left to right.) 72 491.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.07 (Assignment is defined recursively depending on the form of the target \050list\051. When a target is part of a mu-) 72 466.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.18 (table object \050an attribute reference, subscription or slicing\051, the mutable object must ultimately perform the) 72 453.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.27 (assignment and decide about its validity, and may raise an exception if the assignment is unacceptable. The) 72 440.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.27 (rules observed by various types and the exceptions raised are given with the definition of the object types) 72 427.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(Assignment) 72 466.67 T +(is) 127.24 466.67 T +(defined) 137.26 466.67 T +(recursively) 172.94 466.67 T +(depending) 224.49 466.67 T +(on) 273 466.67 T +(the) 286.69 466.67 T +(form) 302.81 466.67 T +(of) 326.88 466.67 T +(the) 338.73 466.67 T +(target) 354.86 466.67 T +(\050list\051.) 382.59 466.67 T +(When) 408.8 466.67 T +(a) 437.75 466.67 T +(target) 445.32 466.67 T +(is) 473.05 466.67 T +(part) 483.07 466.67 T +(of) 502.86 466.67 T +(a) 514.71 466.67 T +(mu-) 522.28 466.67 T +(table) 72 453.67 T +(object) 95.96 453.67 T +(\050an) 125.41 453.67 T +(attribute) 142.03 453.67 T +(reference,) 181.27 453.67 T +(subscription) 227.5 453.67 T +(or) 283.85 453.67 T +(slicing\051,) 295.59 453.67 T +(the) 333.91 453.67 T +(mutable) 349.93 453.67 T +(object) 387.94 453.67 T +(must) 417.4 453.67 T +(ultimately) 441.36 453.67 T +(perform) 488.55 453.67 T +(the) 526.56 453.67 T +(assignment) 72 440.67 T +(and) 123.98 440.67 T +(decide) 142.34 440.67 T +(about) 173.53 440.67 T +(its) 200.46 440.67 T +(validity,) 213.33 440.67 T +(and) 252.18 440.67 T +(may) 270.54 440.67 T +(raise) 291.96 440.67 T +(an) 315.21 440.67 T +(exception) 328.08 440.67 T +(if) 373.32 440.67 T +(the) 382.52 440.67 T +(assignment) 398.45 440.67 T +(is) 450.43 440.67 T +(unacceptable.) 460.24 440.67 T +(The) 522.9 440.67 T +(rules) 72 427.67 T +(observed) 96.4 427.67 T +(by) 139.13 427.67 T +(various) 153.15 427.67 T +(types) 188.55 427.67 T +(and) 214.79 427.67 T +(the) 233.69 427.67 T +(exceptions) 250.15 427.67 T +(raised) 300.21 427.67 T +(are) 329.5 427.67 T +(given) 345.95 427.67 T +(with) 373.41 427.67 T +(the) 395.98 427.67 T +(definition) 412.44 427.67 T +(of) 458.24 427.67 T +(the) 470.42 427.67 T +(object) 486.88 427.67 T +(types) 516.78 427.67 T (\050See \322The standard type hierarchy\323 on page) 72 414.67 T (12.\051) 267.18 414.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Assignment of an object to a target list is recursively defined as follows.) 72 389.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (\245) 72 370.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (If the target list is a single target: the object is assigned to that target.) 86.4 370.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (\245) 72 351.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.49 (If the target list is a comma-separated list of targets: the object must be a sequence with the same number) 86.4 351.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.1 (of items as there are targets in the target list, and the items are assigned, from left to right, to the corre-) 86.4 338.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.17 (sponding targets. \050This rule has been relaxed since Python 1.5; in earlier versions, the object had to be a) 86.4 325.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(If) 86.4 351.67 T +(the) 95.99 351.67 T +(target) 111.7 351.67 T +(list) 139.01 351.67 T +(is) 154.72 351.67 T +(a) 164.32 351.67 T +(comma-separated) 171.47 351.67 T +(list) 251.32 351.67 T +(of) 267.04 351.67 T +(targets:) 278.46 351.67 T +(the) 313.11 351.67 T +(object) 328.82 351.67 T +(must) 357.96 351.67 T +(be) 381.62 351.67 T +(a) 394.27 351.67 T +(sequence) 401.42 351.67 T +(with) 444 351.67 T +(the) 465.82 351.67 T +(same) 481.53 351.67 T +(number) 506.39 351.67 T +(of) 86.4 338.67 T +(items) 98.41 338.67 T +(as) 125.1 338.67 T +(there) 137.11 338.67 T +(are) 161.95 338.67 T +(targets) 178.23 338.67 T +(in) 210.4 338.67 T +(the) 221.81 338.67 T +(target) 238.1 338.67 T +(list,) 265.99 338.67 T +(and) 285.05 338.67 T +(the) 303.78 338.67 T +(items) 320.07 338.67 T +(are) 346.75 338.67 T +(assigned,) 363.03 338.67 T +(from) 406.52 338.67 T +(left) 430.75 338.67 T +(to) 448.26 338.67 T +(right,) 459.67 338.67 T +(to) 486.05 338.67 T +(the) 497.45 338.67 T +(corre-) 513.74 338.67 T +(sponding) 86.4 325.67 T +(targets.) 129.31 325.67 T +(\050This) 163.96 325.67 T +(rule) 189.76 325.67 T +(has) 209.44 325.67 T +(been) 226.68 325.67 T +(relaxed) 250.03 325.67 T +(since) 284.98 325.67 T +(Python) 310.16 325.67 T +(1.5;) 343.91 325.67 T +(in) 363.29 325.67 T +(earlier) 374.42 325.67 T +(versions,) 405.09 325.67 T +(the) 447.08 325.67 T +(object) 463.1 325.67 T +(had) 492.56 325.67 T +(to) 511.02 325.67 T +(be) 522.16 325.67 T +(a) 535.12 325.67 T (tuple. Since strings are sequences, an assignment like \322) 86.4 312.67 T 2 10 Q (a, b = "xy") 328.97 312.67 T 1 11 Q (\323 is now legal.\051) 394.97 312.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Assignment of an object to a single target is recursively defined as follows.) 72 287.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (\245) 72 268.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (If the target is an identifier \050name\051:) 86.4 268.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (\245) 100.8 249.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.19 (If the name does not occur in a) 115.2 249.67 P -2 F -0.44 (global) 255.37 249.67 P -1 F -0.19 ( statement in the current code block: the name is bound) 294.96 249.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(If) 115.2 249.67 T +(the) 125.46 249.67 T +(name) 141.84 249.67 T +(does) 168.6 249.67 T +(not) 191.7 249.67 T +(occur) 208.69 249.67 T +(in) 236.05 249.67 T +(a) 247.55 249.67 T +2 F +(global) 255.37 249.67 T +1 F +(statement) 297.9 249.67 T +(in) 343 249.67 T +(the) 354.49 249.67 T +(current) 370.87 249.67 T +(code) 404.95 249.67 T +(block:) 428.66 249.67 T +(the) 459.09 249.67 T +(name) 475.47 249.67 T +(is) 502.23 249.67 T +(bound) 512.5 249.67 T (to the object in the current local name space.) 115.2 236.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (\245) 100.8 217.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Otherwise: the name is bound to the object in the current global name space.) 115.2 217.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.58 (The name is rebound if it was already bound. This can cause the reference count for the object previously) 86.4 200.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(The) 86.4 200.67 T +(name) 105.68 200.67 T +(is) 131.67 200.67 T +(rebound) 141.18 200.67 T +(if) 179.4 200.67 T +(it) 188.29 200.67 T +(was) 196.58 200.67 T +(already) 215.85 200.67 T +(bound.) 250.4 200.67 T +(This) 282.82 200.67 T +(can) 304.55 200.67 T +(cause) 321.99 200.67 T +(the) 348.59 200.67 T +(reference) 364.2 200.67 T +(count) 407.28 200.67 T +(for) 433.89 200.67 T +(the) 448.89 200.67 T +(object) 464.5 200.67 T +(previously) 493.56 200.67 T (bound to the name to reach zero, causing the object to be deallocated and its) 86.4 187.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (\245) 72 168.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.42 (If the target is a target list enclosed in parentheses or square brackets: the object must be a sequence with) 86.4 168.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.22 (the same number of items there are targets in the target list, and its items are assigned, from left to right,) 86.4 155.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(If) 86.4 168.67 T +(the) 96.06 168.67 T +(target) 111.83 168.67 T +(is) 139.2 168.67 T +(a) 148.87 168.67 T +(target) 156.08 168.67 T +(list) 183.46 168.67 T +(enclosed) 199.24 168.67 T +(in) 240.06 168.67 T +(parentheses) 250.95 168.67 T +(or) 304.59 168.67 T +(square) 316.08 168.67 T +(brackets:) 347.12 168.67 T +(the) 389.16 168.67 T +(object) 404.93 168.67 T +(must) 434.15 168.67 T +(be) 457.87 168.67 T +(a) 470.58 168.67 T +(sequence) 477.8 168.67 T +(with) 520.44 168.67 T +(the) 86.4 155.67 T +(same) 102.37 155.67 T +(number) 127.51 155.67 T +(of) 163.65 155.67 T +(items) 175.34 155.67 T +(there) 201.71 155.67 T +(are) 226.23 155.67 T +(targets) 242.2 155.67 T +(in) 274.05 155.67 T +(the) 285.14 155.67 T +(target) 301.12 155.67 T +(list,) 328.7 155.67 T +(and) 347.43 155.67 T +(its) 365.85 155.67 T +(items) 378.77 155.67 T +(are) 405.14 155.67 T +(assigned,) 421.1 155.67 T +(from) 464.27 155.67 T +(left) 488.19 155.67 T +(to) 505.38 155.67 T +(right,) 516.47 155.67 T (to the corresponding targets.) 86.4 142.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (\245) 72 123.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.56 (If the target is an attribute reference: The primary expression in the reference is evaluated. It should yield) 86.4 123.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.7 (an object with assignable attributes; if this is not the case,) 86.4 110.67 P -2 F -1.69 (TypeError) 350.19 110.67 P -1 F -0.7 ( is raised. That object is then) 409.59 110.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.34 (asked to assign the assigned object to the given attribute; if it cannot perform the assignment, it raises an) 86.4 97.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(If) 86.4 123.67 T +(the) 95.92 123.67 T +(target) 111.55 123.67 T +(is) 138.79 123.67 T +(an) 148.32 123.67 T +(attribute) 160.89 123.67 T +(reference:) 199.75 123.67 T +(The) 245.9 123.67 T +(primary) 265.2 123.67 T +(expression) 302.22 123.67 T +(in) 351.46 123.67 T +(the) 362.2 123.67 T +(reference) 377.84 123.67 T +(is) 420.94 123.67 T +(evaluated.) 430.47 123.67 T +(It) 477.56 123.67 T +(should) 486.47 123.67 T +(yield) 518 123.67 T +(an) 86.4 110.67 T +(object) 100.24 110.67 T +(with) 130.58 110.67 T +(assignable) 153.59 110.67 T +(attributes;) 202.87 110.67 T +(if) 250.33 110.67 T +(this) 260.5 110.67 T +(is) 279.85 110.67 T +(not) 290.64 110.67 T +(the) 308.16 110.67 T +(case,) 325.05 110.67 T +2 F +(TypeError) 350.19 110.67 T +1 F +(is) 413.04 110.67 T +(raised.) 423.84 110.67 T +(That) 456.31 110.67 T +(object) 479.93 110.67 T +(is) 510.27 110.67 T +(then) 521.06 110.67 T +(asked) 86.4 97.67 T +(to) 113.85 97.67 T +(assign) 124.82 97.67 T +(the) 154.72 97.67 T +(assigned) 170.57 97.67 T +(object) 210.86 97.67 T +(to) 240.14 97.67 T +(the) 251.11 97.67 T +(given) 266.95 97.67 T +(attribute;) 293.8 97.67 T +(if) 335.93 97.67 T +(it) 345.05 97.67 T +(cannot) 353.57 97.67 T +(perform) 385.3 97.67 T +(the) 423.14 97.67 T +(assignment,) 438.99 97.67 T +(it) 493.64 97.67 T +(raises) 502.16 97.67 T +(an) 529.61 97.67 T (exception \050usually but not necessarily) 86.4 84.67 T 2 F (AttributeError) 255.35 84.67 T 1 F (\051.) 347.75 84.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "40" 46 %%Page: "41" 47 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (41) 530 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 585 292.5 598.5 720 R 5 9 Q -(\245) 0 -90 592.5 720 TF -(Simple statements) 0 -90 592.5 711 TF +(\245) 0 270 592.5 720 TF +(Simple statements) 0 270 592.5 711 TF 585 292.5 598.5 720 R -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q (\245) 99 712.67 T --0.28 (If the target is a subscription: The primary expression in the reference is evaluated. It should yield) 113.4 712.67 P --0.33 (either a mutable sequence object \050e.g. a list\051 or a mapping object \050e.g. a dictionary\051. Next, the sub-) 113.4 699.67 P +(If) 113.4 712.67 T +(the) 123.2 712.67 T +(target) 139.11 712.67 T +(is) 166.63 712.67 T +(a) 176.44 712.67 T +(subscription:) 183.79 712.67 T +(The) 243.1 712.67 T +(primary) 262.68 712.67 T +(expression) 299.98 712.67 T +(in) 349.49 712.67 T +(the) 360.52 712.67 T +(reference) 376.44 712.67 T +(is) 419.82 712.67 T +(evaluated.) 429.63 712.67 T +(It) 477 712.67 T +(should) 486.19 712.67 T +(yield) 518 712.67 T +(either) 113.4 699.67 T +(a) 140.86 699.67 T +(mutable) 148.16 699.67 T +(sequence) 186.02 699.67 T +(object) 228.75 699.67 T +(\050e.g.) 258.05 699.67 T +(a) 280.02 699.67 T +(list\051) 287.32 699.67 T +(or) 306.85 699.67 T +(a) 318.43 699.67 T +(mapping) 325.73 699.67 T +(object) 366.65 699.67 T +(\050e.g.) 395.95 699.67 T +(a) 417.91 699.67 T +(dictionary\051.) 425.21 699.67 T +(Next,) 478.65 699.67 T +(the) 505.2 699.67 T +(sub-) 521.06 699.67 T (script expression is evaluated.) 113.4 686.67 T --0.09 (If the primary is a mutable sequence object \050e.g. a list\051, the subscript must yield a plain integer. If) 113.4 669.67 P --0.23 (it is negative, the sequence\325s length is added to it. The resulting value must be a nonnegative inte-) 113.4 656.67 P -0.19 (ger less than the sequence\325s length, and the sequence is asked to assign the assigned object to its) 113.4 643.67 P -0.53 (item with that index. If the index is out of range,) 113.4 630.67 P -2 F -1.26 (IndexError) 335.19 630.67 P -1 F -0.53 ( is raised \050assignment to a sub-) 401.19 630.67 P +(If) 113.4 669.67 T +(the) 123.38 669.67 T +(primary) 139.48 669.67 T +(is) 176.96 669.67 T +(a) 186.95 669.67 T +(mutable) 194.49 669.67 T +(sequence) 232.58 669.67 T +(object) 275.55 669.67 T +(\050e.g.) 305.09 669.67 T +(a) 327.29 669.67 T +(list\051,) 334.83 669.67 T +(the) 357.35 669.67 T +(subscript) 373.45 669.67 T +(must) 415.83 669.67 T +(yield) 439.87 669.67 T +(a) 464.53 669.67 T +(plain) 472.07 669.67 T +(integer.) 496.72 669.67 T +(If) 532.67 669.67 T +(it) 113.4 656.67 T +(is) 122.04 656.67 T +(negative,) 131.9 656.67 T +(the) 174.44 656.67 T +(sequence\325s) 190.4 656.67 T +(length) 241.18 656.67 T +(is) 271.2 656.67 T +(added) 281.06 656.67 T +(to) 309.85 656.67 T +(it.) 320.93 656.67 T +(The) 332.32 656.67 T +(resulting) 351.95 656.67 T +(value) 392.97 656.67 T +(must) 419.32 656.67 T +(be) 443.23 656.67 T +(a) 456.14 656.67 T +(nonnegative) 463.55 656.67 T +(inte-) 519.84 656.67 T +(ger) 113.4 643.67 T +(less) 130.38 643.67 T +(than) 149.82 643.67 T +(the) 171.7 643.67 T +(sequence\325s) 188.08 643.67 T +(length,) 239.27 643.67 T +(and) 272.45 643.67 T +(the) 291.27 643.67 T +(sequence) 307.65 643.67 T +(is) 350.9 643.67 T +(asked) 361.18 643.67 T +(to) 389.16 643.67 T +(assign) 400.65 643.67 T +(the) 431.09 643.67 T +(assigned) 447.47 643.67 T +(object) 488.29 643.67 T +(to) 518.11 643.67 T +(its) 529.6 643.67 T +(item) 113.4 630.67 T +(with) 136.23 630.67 T +(that) 159.07 630.67 T +(index.) 178.84 630.67 T +(If) 209.31 630.67 T +(the) 219.91 630.67 T +(index) 236.63 630.67 T +(is) 264.35 630.67 T +(out) 274.96 630.67 T +(of) 292.3 630.67 T +(range,) 304.73 630.67 T +2 F +(IndexError) 335.19 630.67 T +1 F +(is) 404.47 630.67 T +(raised) 415.08 630.67 T +(\050assignment) 444.62 630.67 T +(to) 501.06 630.67 T +(a) 512.9 630.67 T +(sub-) 521.06 630.67 T (scripted sequence cannot add new items to a list\051.) 113.4 617.67 T -0.37 (If the primary is a mapping object \050e.g. a dictionary\051, the subscript must have a type compatible) 113.4 600.67 P --0.57 (with the mapping\325s key type, and the mapping is then asked to create a key/datum pair which maps) 113.4 587.67 P -0.86 (the subscript to the assigned object. This can either replace an existing key/value pair with the) 113.4 574.67 P +(If) 113.4 600.67 T +(the) 123.85 600.67 T +(primary) 140.41 600.67 T +(is) 178.35 600.67 T +(a) 188.81 600.67 T +(mapping) 196.81 600.67 T +(object) 238.43 600.67 T +(\050e.g.) 268.44 600.67 T +(a) 291.1 600.67 T +(dictionary\051,) 299.11 600.67 T +(the) 353.24 600.67 T +(subscript) 369.81 600.67 T +(must) 412.65 600.67 T +(have) 437.16 600.67 T +(a) 461.05 600.67 T +(type) 469.05 600.67 T +(compatible) 491.12 600.67 T +(with) 113.4 587.67 T +(the) 135.14 587.67 T +(mapping\325s) 150.76 587.67 T +(key) 199.38 587.67 T +(type,) 217.45 587.67 T +(and) 241.32 587.67 T +(the) 259.39 587.67 T +(mapping) 275.01 587.67 T +(is) 315.69 587.67 T +(then) 325.21 587.67 T +(asked) 346.33 587.67 T +(to) 373.56 587.67 T +(create) 384.3 587.67 T +(a) 412.74 587.67 T +(key/datum) 419.8 587.67 T +(pair) 468.43 587.67 T +(which) 487.71 587.67 T +(maps) 516.78 587.67 T +(the) 113.4 574.67 T +(subscript) 130.46 574.67 T +(to) 173.79 574.67 T +(the) 185.96 574.67 T +(assigned) 203.01 574.67 T +(object.) 244.51 574.67 T +(This) 277.76 574.67 T +(can) 300.93 574.67 T +(either) 319.81 574.67 T +(replace) 348.47 574.67 T +(an) 383.84 574.67 T +(existing) 397.84 574.67 T +(key/value) 436.29 574.67 T +(pair) 482.67 574.67 T +(with) 503.39 574.67 T +(the) 526.56 574.67 T (same key value, or insert a new key/value pair \050if no key with the same value existed\051.) 113.4 561.67 T (\245) 99 542.67 T --0.45 (If the target is a slicing: The primary expression in the reference is evaluated. It should yield a mu-) 113.4 542.67 P -0.68 (table sequence object \050e.g. a list\051. The assigned object should be a sequence object of the same) 113.4 529.67 P --0.49 (type. Next, the lower and upper bound expressions are evaluated, insofar they are present; defaults) 113.4 516.67 P --0.46 (are zero and the sequence\325s length. The bounds should evaluate to \050small\051 integers. If either bound) 113.4 503.67 P -0.35 (is negative, the sequence\325s length is added to it. The resulting bounds are clipped to lie between) 113.4 490.67 P --0.32 (zero and the sequence\325s length, inclusive. Finally, the sequence object is asked to replace the slice) 113.4 477.67 P -0.15 (with the items of the assigned sequence. The length of the slice may be different from the length) 113.4 464.67 P +(If) 113.4 542.67 T +(the) 123.03 542.67 T +(target) 138.77 542.67 T +(is) 166.11 542.67 T +(a) 175.75 542.67 T +(slicing:) 182.93 542.67 T +(The) 217.62 542.67 T +(primary) 237.03 542.67 T +(expression) 274.15 542.67 T +(in) 323.5 542.67 T +(the) 334.36 542.67 T +(reference) 350.1 542.67 T +(is) 393.3 542.67 T +(evaluated.) 402.94 542.67 T +(It) 450.14 542.67 T +(should) 459.16 542.67 T +(yield) 490.8 542.67 T +(a) 515.1 542.67 T +(mu-) 522.28 542.67 T +(table) 113.4 529.67 T +(sequence) 138.21 529.67 T +(object) 181.95 529.67 T +(\050e.g.) 212.26 529.67 T +(a) 235.24 529.67 T +(list\051.) 243.55 529.67 T +(The) 266.84 529.67 T +(assigned) 287.37 529.67 T +(object) 328.68 529.67 T +(should) 359 529.67 T +(be) 391.76 529.67 T +(a) 405.57 529.67 T +(sequence) 413.88 529.67 T +(object) 457.62 529.67 T +(of) 487.93 529.67 T +(the) 500.52 529.67 T +(same) 517.39 529.67 T +(type.) 113.4 516.67 T +(Next,) 137.35 516.67 T +(the) 163.74 516.67 T +(lower) 179.44 516.67 T +(and) 206.75 516.67 T +(upper) 224.89 516.67 T +(bound) 252.2 516.67 T +(expressions) 281.96 516.67 T +(are) 335.54 516.67 T +(evaluated,) 351.23 516.67 T +(insofar) 398.39 516.67 T +(they) 431.2 516.67 T +(are) 452.4 516.67 T +(present;) 468.09 516.67 T +(defaults) 505.17 516.67 T +(are) 113.4 503.67 T +(zero) 129.12 503.67 T +(and) 150.34 503.67 T +(the) 168.52 503.67 T +(sequence\325s) 184.25 503.67 T +(length.) 234.8 503.67 T +(The) 267.34 503.67 T +(bounds) 286.73 503.67 T +(should) 320.8 503.67 T +(evaluate) 352.43 503.67 T +(to) 391.38 503.67 T +(\050small\051) 402.23 503.67 T +(integers.) 435.68 503.67 T +(If) 475.55 503.67 T +(either) 485.16 503.67 T +(bound) 512.5 503.67 T +(is) 113.4 490.67 T +(negative,) 123.84 490.67 T +(the) 166.96 490.67 T +(sequence\325s) 183.5 490.67 T +(length) 234.86 490.67 T +(is) 265.46 490.67 T +(added) 275.89 490.67 T +(to) 305.26 490.67 T +(it.) 316.92 490.67 T +(The) 328.89 490.67 T +(resulting) 349.09 490.67 T +(bounds) 390.69 490.67 T +(are) 425.57 490.67 T +(clipped) 442.1 490.67 T +(to) 477.59 490.67 T +(lie) 489.25 490.67 T +(between) 503.35 490.67 T +(zero) 113.4 477.67 T +(and) 134.76 477.67 T +(the) 153.08 477.67 T +(sequence\325s) 168.96 477.67 T +(length,) 219.65 477.67 T +(inclusive.) 252.33 477.67 T +(Finally,) 297.23 477.67 T +(the) 333.59 477.67 T +(sequence) 349.46 477.67 T +(object) 392.21 477.67 T +(is) 421.53 477.67 T +(asked) 431.3 477.67 T +(to) 458.78 477.67 T +(replace) 469.77 477.67 T +(the) 503.96 477.67 T +(slice) 519.84 477.67 T +(with) 113.4 464.67 T +(the) 135.86 464.67 T +(items) 152.2 464.67 T +(of) 178.94 464.67 T +(the) 191 464.67 T +(assigned) 207.35 464.67 T +(sequence.) 248.13 464.67 T +(The) 294.1 464.67 T +(length) 314.1 464.67 T +(of) 344.5 464.67 T +(the) 356.57 464.67 T +(slice) 372.91 464.67 T +(may) 395.97 464.67 T +(be) 417.81 464.67 T +(different) 431.1 464.67 T +(from) 471.87 464.67 T +(the) 496.16 464.67 T +(length) 512.5 464.67 T (of the assigned sequence, thus changing the length of the target sequence, if the object allows it.) 113.4 451.67 T -0.15 (\050In the current implementation, the syntax for targets is taken to be the same as for expressions, and) 99 426.67 P +(\050In) 99 426.67 T +(the) 114.73 426.67 T +(current) 131.07 426.67 T +(implementation,) 165.13 426.67 T +(the) 239.84 426.67 T +(syntax) 256.19 426.67 T +(for) 287.81 426.67 T +(targets) 303.54 426.67 T +(is) 335.77 426.67 T +(taken) 346.01 426.67 T +(to) 372.74 426.67 T +(be) 384.2 426.67 T +(the) 397.49 426.67 T +(same) 413.83 426.67 T +(as) 439.34 426.67 T +(for) 451.41 426.67 T +(expressions,) 467.14 426.67 T +(and) 524.11 426.67 T (invalid syntax is rejected during the code generation phase, causing less detailed error messages.\051) 99 413.67 T 4 F --0.51 (Warning:) 99 388.67 P -1 F --0.51 ( Although the definition of assignment implies that overlaps between the left-hand side and) 144.84 388.67 P -0.04 (the right-hand side are \324safe\325 \050e.g. \324\324) 99 375.67 P -2 F -0.1 (a,) 258.09 375.67 P -0.1 (b) 274.08 375.67 P -0.1 (=) 283.48 375.67 P -0.1 (b,) 292.87 375.67 P -0.1 (a) 308.86 375.67 P -1 F -0.04 (\325\325 swaps two variables\051, overlaps) 315.46 375.67 P +(Warning:) 99 388.67 T +1 F +(Although) 147.08 388.67 T +(the) 190.88 388.67 T +(definition) 206.56 388.67 T +(of) 251.59 388.67 T +(assignment) 262.99 388.67 T +(implies) 314.73 388.67 T +(that) 349.37 388.67 T +(overlaps) 368.11 388.67 T +(between) 407.62 388.67 T +(the) 446.52 388.67 T +(left-hand) 462.2 388.67 T +(side) 504.15 388.67 T +(and) 524.11 388.67 T +(the) 99 375.67 T +(right-hand) 115.24 375.67 T +(side) 163.85 375.67 T +(are) 184.37 375.67 T +(\324safe\325) 200.59 375.67 T +(\050e.g.) 228.42 375.67 T +(\324\324) 250.76 375.67 T +2 F +(a,) 258.09 375.67 T +(b) 274.08 375.67 T +(=) 283.48 375.67 T +(b,) 292.87 375.67 T +(a) 308.86 375.67 T +1 F +(\325\325) 315.46 375.67 T +(swaps) 325.58 375.67 T +(two) 355.26 375.67 T +(variables\051,) 374.55 375.67 T +(overlaps) 423.47 375.67 T 3 F -0.04 (within) 463.53 375.67 P +(within) 463.53 375.67 T 1 F -0.04 ( the collec-) 491.04 375.67 P +(the) 493.83 375.67 T +(collec-) 510.07 375.67 T (tion of assigned-to variables are not safe! For instance, the following program prints \324\324) 99 362.67 T 2 F ([0,) 479.65 362.67 T @@ -10478,9 +24323,26 @@ FrameNoSep 2 10 Q (pass_stmt: "pass") 99 257.33 T 2 11 Q -0.21 (pass) 99 232.67 P -1 F -0.09 ( is a null operation \321 when it is executed, nothing happens. It is useful as a placeholder when) 125.4 232.67 P +(pass) 99 232.67 T +1 F +(is) 128.24 232.67 T +(a) 138.41 232.67 T +(null) 146.13 232.67 T +(operation) 166.08 232.67 T +(\321) 210.46 232.67 T +(when) 224.3 232.67 T +(it) 250.96 232.67 T +(is) 259.92 232.67 T +(executed,) 270.09 232.67 T +(nothing) 314.77 232.67 T +(happens.) 351.22 232.67 T +(It) 392.85 232.67 T +(is) 402.41 232.67 T +(useful) 412.58 232.67 T +(as) 442.3 232.67 T +(a) 454.3 232.67 T +(placeholder) 462.02 232.67 T +(when) 516.17 232.67 T (a statement is required syntactically, but no code needs to be executed, for example:) 99 219.67 T 2 10 Q (def f\050arg\051: pass # a function that does nothing \050yet\051) 99 201.33 T @@ -10495,168 +24357,522 @@ FrameNoSep 2 10 Q (del_stmt: "del" target_list) 99 138.33 T 1 11 Q -0.19 (Deletion is recursively defined very similar to the way assignment is defined. Rather that spelling it) 99 113.67 P +(Deletion) 99 113.67 T +(is) 139.83 113.67 T +(recursively) 150.1 113.67 T +(defined) 201.92 113.67 T +(very) 237.85 113.67 T +(similar) 260.34 113.67 T +(to) 293.84 113.67 T +(the) 305.34 113.67 T +(way) 321.72 113.67 T +(assignment) 342.99 113.67 T +(is) 395.43 113.67 T +(defined.) 405.71 113.67 T +(Rather) 444.39 113.67 T +(that) 476.66 113.67 T +(spelling) 496.1 113.67 T +(it) 533.88 113.67 T (out in full details, here are some hints.) 99 100.67 T (Deletion of a target list recursively deletes each target, from left to right.) 99 75.67 T -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "41" 47 %%Page: "42" 48 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (42) 76.5 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -1 11 Q -0.41 0.08 (Deletion of a name removes the binding of that name \050which must exist\051 from the local or global name) 72 712.67 B -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +1 11 Q +(D) 72 712.67 T +(e) 80.03 712.67 T +(l) 84.99 712.67 T +(e) 88.14 712.67 T +(t) 93.11 712.67 T +(i) 96.25 712.67 T +(o) 99.39 712.67 T +(n) 104.97 712.67 T +(o) 113.8 712.67 T +(f) 119.39 712.67 T +(a) 126.38 712.67 T +(n) 134.6 712.67 T +(a) 140.18 712.67 T +(m) 145.15 712.67 T +(e) 153.79 712.67 T +(r) 162.01 712.67 T +(e) 165.75 712.67 T +(m) 170.72 712.67 T +(o) 179.36 712.67 T +(v) 184.95 712.67 T +(e) 190.53 712.67 T +(s) 195.5 712.67 T +(t) 203.11 712.67 T +(h) 206.25 712.67 T +(e) 211.84 712.67 T +(b) 220.05 712.67 T +(i) 225.64 712.67 T +(n) 228.78 712.67 T +(d) 234.36 712.67 T +(i) 239.95 712.67 T +(n) 243.09 712.67 T +(g) 248.67 712.67 T +(o) 257.5 712.67 T +(f) 263.09 712.67 T +(t) 270.08 712.67 T +(h) 273.22 712.67 T +(a) 278.81 712.67 T +(t) 283.78 712.67 T +(n) 290.17 712.67 T +(a) 295.75 712.67 T +(m) 300.72 712.67 T +(e) 309.36 712.67 T +(\050) 317.58 712.67 T +(w) 321.32 712.67 T +(h) 329.35 712.67 T +(i) 334.93 712.67 T +(c) 338.08 712.67 T +(h) 343.04 712.67 T +(m) 351.87 712.67 T +(u) 360.52 712.67 T +(s) 366.1 712.67 T +(t) 370.46 712.67 T +(e) 376.85 712.67 T +(x) 381.82 712.67 T +(i) 387.4 712.67 T +(s) 390.55 712.67 T +(t) 394.91 712.67 T +(\051) 398.05 712.67 T +(f) 405.05 712.67 T +(r) 408.79 712.67 T +(o) 412.54 712.67 T +(m) 418.12 712.67 T +(t) 430.01 712.67 T +(h) 433.16 712.67 T +(e) 438.74 712.67 T +(l) 446.95 712.67 T +(o) 450.1 712.67 T +(c) 455.68 712.67 T +(a) 460.65 712.67 T +(l) 465.62 712.67 T +(o) 472.01 712.67 T +(r) 477.59 712.67 T +(g) 484.58 712.67 T +(l) 490.17 712.67 T +(o) 493.31 712.67 T +(b) 498.89 712.67 T +(a) 504.48 712.67 T +(l) 509.45 712.67 T +(n) 515.84 712.67 T +(a) 521.42 712.67 T +(m) 526.39 712.67 T +(e) 535.03 712.67 T (space, depending on whether the name occurs in a) 72 699.67 T 2 F (global) 295.61 699.67 T 1 F ( statement in the same code block.) 335.21 699.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.51 (Deletion of attribute references, subscriptions and slicings is passed to the primary object involved; deletion) 72 674.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.1 (of a slicing is in general equivalent to assignment of an empty slice of the right type \050but even this is deter-) 72 661.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(Deletion) 72 674.67 T +(of) 112.13 674.67 T +(attribute) 123.54 674.67 T +(references,) 162.44 674.67 T +(subscriptions) 212.62 674.67 T +(and) 272.93 674.67 T +(slicings) 291.06 674.67 T +(is) 326.92 674.67 T +(passed) 336.5 674.67 T +(to) 368.07 674.67 T +(the) 378.87 674.67 T +(primary) 394.56 674.67 T +(object) 431.63 674.67 T +(involved;) 460.76 674.67 T +(deletion) 504.56 674.67 T +(of) 72 661.67 T +(a) 83.81 661.67 T +(slicing) 91.34 661.67 T +(is) 123.32 661.67 T +(in) 133.3 661.67 T +(general) 144.51 661.67 T +(equivalent) 179.52 661.67 T +(to) 228 661.67 T +(assignment) 239.2 661.67 T +(of) 291.35 661.67 T +(an) 303.15 661.67 T +(empty) 316.18 661.67 T +(slice) 346.33 661.67 T +(of) 369.14 661.67 T +(the) 380.95 661.67 T +(right) 397.03 661.67 T +(type) 420.46 661.67 T +(\050but) 442.05 661.67 T +(even) 462.41 661.67 T +(this) 485.82 661.67 T +(is) 504.36 661.67 T +(deter-) 514.35 661.67 T (mined by the sliced object\051.) 72 648.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 14 Q (6.6) 72 621.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (The) 108 621.67 T 2 F (print) 136.78 621.67 T 0 F ( statement) 178.78 621.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 10 Q (print_stmt: "print" [ expression \050"," expression\051* [","] ]) 72 597.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 11 Q -0.41 (print) 72 572.67 P -1 F -0.17 ( evaluates each expression in turn and writes the resulting object to standard output \050see below\051. If) 105 572.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.13 (an object is not a string, it is first converted to a string using the rules for string conversions. The \050resulting) 72 559.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.48 (or original\051 string is then written. A space is written before each object is \050converted and\051 written, unless the) 72 546.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.41 0.01 (output system believes it is positioned at the beginning of a line. This is the case: \0501\051 when no characters) 72 533.67 B -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0 (have yet been written to standard output; or \0502\051 when the last character written to standard output is) 72 520.67 P -2 F --0.01 (\134n) 511.83 520.67 P -1 F --0 (; or) 525.03 520.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.06 (\0503\051 when the last write operation on standard output was not a) 72 507.67 P -2 F -0.15 (print) 347.7 507.67 P -1 F -0.06 ( statement. \050In some cases it may be) 380.7 507.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(print) 72 572.67 T +1 F +(evaluates) 107.92 572.67 T +(each) 151.77 572.67 T +(expression) 174.84 572.67 T +(in) 224.81 572.67 T +(turn) 236.29 572.67 T +(and) 256.93 572.67 T +(writes) 275.73 572.67 T +(the) 305.54 572.67 T +(resulting) 321.9 572.67 T +(object) 363.32 572.67 T +(to) 393.12 572.67 T +(standard) 404.6 572.67 T +(output) 444.79 572.67 T +(\050see) 475.83 572.67 T +(below\051.) 496.46 572.67 T +(If) 532.67 572.67 T +(an) 72 559.67 T +(object) 85.01 559.67 T +(is) 114.52 559.67 T +(not) 124.48 559.67 T +(a) 141.16 559.67 T +(string,) 148.67 559.67 T +(it) 179.1 559.67 T +(is) 187.84 559.67 T +(first) 197.8 559.67 T +(converted) 218.15 559.67 T +(to) 264.14 559.67 T +(a) 275.33 559.67 T +(string) 282.83 559.67 T +(using) 310.52 559.67 T +(the) 336.98 559.67 T +(rules) 353.05 559.67 T +(for) 377.05 559.67 T +(string) 392.5 559.67 T +(conversions.) 420.19 559.67 T +(The) 478.11 559.67 T +(\050resulting) 497.84 559.67 T +(or) 72 546.67 T +(original\051) 83.44 546.67 T +(string) 123.59 546.67 T +(is) 150.93 546.67 T +(then) 160.54 546.67 T +(written.) 181.75 546.67 T +(A) 217.94 546.67 T +(space) 228.15 546.67 T +(is) 254.86 546.67 T +(written) 264.47 546.67 T +(before) 297.91 546.67 T +(each) 328.27 546.67 T +(object) 350.7 546.67 T +(is) 379.86 546.67 T +(\050converted) 389.47 546.67 T +(and\051) 438.78 546.67 T +(written,) 460.6 546.67 T +(unless) 496.78 546.67 T +(the) 526.56 546.67 T +(o) 72 533.67 T +(u) 77.51 533.67 T +(t) 83.01 533.67 T +(p) 86.08 533.67 T +(u) 91.58 533.67 T +(t) 97.09 533.67 T +(s) 103.32 533.67 T +(y) 107.61 533.67 T +(s) 113.11 533.67 T +(t) 117.4 533.67 T +(e) 120.46 533.67 T +(m) 125.35 533.67 T +(b) 137.09 533.67 T +(e) 142.59 533.67 T +(l) 147.48 533.67 T +(i) 150.55 533.67 T +(e) 153.61 533.67 T +(v) 158.5 533.67 T +(e) 164.01 533.67 T +(s) 168.9 533.67 T +(i) 176.35 533.67 T +(t) 179.41 533.67 T +(i) 185.65 533.67 T +(s) 188.71 533.67 T +(p) 196.16 533.67 T +(o) 201.67 533.67 T +(s) 207.18 533.67 T +(i) 211.46 533.67 T +(t) 214.53 533.67 T +(i) 217.59 533.67 T +(o) 220.65 533.67 T +(n) 226.16 533.67 T +(e) 231.67 533.67 T +(d) 236.56 533.67 T +(a) 245.23 533.67 T +(t) 250.12 533.67 T +(t) 256.36 533.67 T +(h) 259.42 533.67 T +(e) 264.93 533.67 T +(b) 272.98 533.67 T +(e) 278.49 533.67 T +(g) 283.38 533.67 T +(i) 288.89 533.67 T +(n) 291.95 533.67 T +(n) 297.46 533.67 T +(i) 302.96 533.67 T +(n) 306.03 533.67 T +(g) 311.53 533.67 T +(o) 320.21 533.67 T +(f) 325.71 533.67 T +(a) 332.55 533.67 T +(l) 340.61 533.67 T +(i) 343.67 533.67 T +(n) 346.74 533.67 T +(e) 352.25 533.67 T +(.) 357.14 533.67 T +(T) 363.06 533.67 T +(h) 369.79 533.67 T +(i) 375.29 533.67 T +(s) 378.36 533.67 T +(i) 385.81 533.67 T +(s) 388.88 533.67 T +(t) 396.33 533.67 T +(h) 399.39 533.67 T +(e) 404.9 533.67 T +(c) 412.96 533.67 T +(a) 417.85 533.67 T +(s) 422.74 533.67 T +(e) 427.02 533.67 T +(:) 431.92 533.67 T +(\050) 438.15 533.67 T +(1) 441.82 533.67 T +(\051) 447.32 533.67 T +(w) 454.16 533.67 T +(h) 462.11 533.67 T +(e) 467.61 533.67 T +(n) 472.51 533.67 T +(n) 481.18 533.67 T +(o) 486.69 533.67 T +(c) 495.36 533.67 T +(h) 500.25 533.67 T +(a) 505.76 533.67 T +(r) 510.65 533.67 T +(a) 514.32 533.67 T +(c) 519.21 533.67 T +(t) 524.1 533.67 T +(e) 527.16 533.67 T +(r) 532.05 533.67 T +(s) 535.72 533.67 T +(have) 72 520.67 T +(yet) 95.51 520.67 T +(been) 111.7 520.67 T +(written) 135.21 520.67 T +(to) 169.12 520.67 T +(standard) 180.42 520.67 T +(output;) 220.44 520.67 T +(or) 254.36 520.67 T +(\0502\051) 266.26 520.67 T +(when) 281.83 520.67 T +(the) 308.41 520.67 T +(last) 324.59 520.67 T +(character) 342.62 520.67 T +(written) 385.67 520.67 T +(to) 419.57 520.67 T +(standard) 430.88 520.67 T +(output) 470.89 520.67 T +(is) 501.75 520.67 T +2 F +(\134n) 511.83 520.67 T +1 F +(;) 525.03 520.67 T +(or) 530.84 520.67 T +(\0503\051) 72 507.67 T +(when) 87.64 507.67 T +(the) 114.28 507.67 T +(last) 130.53 507.67 T +(write) 148.62 507.67 T +(operation) 174.04 507.67 T +(on) 218.4 507.67 T +(standard) 232.21 507.67 T +(output) 272.29 507.67 T +(was) 303.22 507.67 T +(not) 323.14 507.67 T +(a) 340.01 507.67 T +2 F +(print) 347.7 507.67 T +1 F +(statement.) 383.52 507.67 T +(\050In) 431.24 507.67 T +(some) 446.88 507.67 T +(cases) 472.91 507.67 T +(it) 498.93 507.67 T +(may) 507.86 507.67 T +(be) 529.62 507.67 T (functional to write an empty string to standard output for this reason.\051) 72 494.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.36 (A) 72 469.67 P -2 F -0.87 ("\134n") 83.05 469.67 P -1 F -0.36 ( character is written at the end, unless the) 109.45 469.67 P -2 F -0.87 (print) 297.21 469.67 P -1 F -0.36 ( statement ends with a comma. This is the only) 330.21 469.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.41 0.02 (action if the statement contains just the keyword) 72 456.67 B -2 F -0.99 0.02 (print) 291.78 456.67 B -1 F -0.41 0.02 (. Standard output is defined as the object named) 324.86 456.67 B -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -2 F -0.63 (stdout) 72 443.67 P -1 F -0.26 (in the built-in module) 118.83 443.67 P -2 F -0.63 (sys) 218.27 443.67 P -1 F -0.26 (. If no such object exists, or if it does not have a) 238.07 443.67 P -2 F -0.63 (write\050\051) 455.04 443.67 P -1 F -0.26 ( method,) 501.24 443.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(A) 72 469.67 T +2 F +("\134n") 83.05 469.67 T +1 F +(character) 112.56 469.67 T +(is) 155.98 469.67 T +(written) 166.42 469.67 T +(at) 200.7 469.67 T +(the) 211.75 469.67 T +(end,) 228.3 469.67 T +(unless) 250.05 469.67 T +(the) 280.66 469.67 T +2 F +(print) 297.21 469.67 T +1 F +(statement) 333.32 469.67 T +(ends) 378.59 469.67 T +(with) 401.87 469.67 T +(a) 424.54 469.67 T +(comma.) 432.53 469.67 T +(This) 470.77 469.67 T +(is) 493.44 469.67 T +(the) 503.89 469.67 T +(only) 520.44 469.67 T +(a) 72 456.67 T +(c) 76.9 456.67 T +(t) 81.8 456.67 T +(i) 84.87 456.67 T +(o) 87.95 456.67 T +(n) 93.46 456.67 T +(i) 102.16 456.67 T +(f) 105.23 456.67 T +(t) 112.09 456.67 T +(h) 115.16 456.67 T +(e) 120.68 456.67 T +(s) 128.75 456.67 T +(t) 133.05 456.67 T +(a) 136.12 456.67 T +(t) 141.02 456.67 T +(e) 144.09 456.67 T +(m) 148.99 456.67 T +(e) 157.57 456.67 T +(n) 162.47 456.67 T +(t) 167.98 456.67 T +(c) 174.23 456.67 T +(o) 179.13 456.67 T +(n) 184.65 456.67 T +(t) 190.16 456.67 T +(a) 193.24 456.67 T +(i) 198.14 456.67 T +(n) 201.21 456.67 T +(s) 206.73 456.67 T +(j) 214.2 456.67 T +(u) 217.27 456.67 T +(s) 222.79 456.67 T +(t) 227.08 456.67 T +(t) 233.34 456.67 T +(h) 236.41 456.67 T +(e) 241.92 456.67 T +(k) 250 456.67 T +(e) 255.52 456.67 T +(y) 260.42 456.67 T +(w) 265.93 456.67 T +(o) 273.89 456.67 T +(r) 279.4 456.67 T +(d) 283.08 456.67 T +2 F +(p) 291.78 456.67 T +(r) 298.39 456.67 T +(i) 305.01 456.67 T +(n) 311.62 456.67 T +(t) 318.24 456.67 T +1 F +(.) 324.86 456.67 T +(S) 330.8 456.67 T +(t) 336.93 456.67 T +(a) 340 456.67 T +(n) 344.9 456.67 T +(d) 350.42 456.67 T +(a) 355.93 456.67 T +(r) 360.83 456.67 T +(d) 364.51 456.67 T +(o) 373.21 456.67 T +(u) 378.72 456.67 T +(t) 384.24 456.67 T +(p) 387.31 456.67 T +(u) 392.83 456.67 T +(t) 398.34 456.67 T +(i) 404.59 456.67 T +(s) 407.67 456.67 T +(d) 415.14 456.67 T +(e) 420.66 456.67 T +(f) 425.56 456.67 T +(i) 429.23 456.67 T +(n) 432.31 456.67 T +(e) 437.82 456.67 T +(d) 442.72 456.67 T +(a) 451.42 456.67 T +(s) 456.32 456.67 T +(t) 463.79 456.67 T +(h) 466.86 456.67 T +(e) 472.38 456.67 T +(o) 480.45 456.67 T +(b) 485.97 456.67 T +(j) 491.49 456.67 T +(e) 494.56 456.67 T +(c) 499.46 456.67 T +(t) 504.36 456.67 T +(n) 510.61 456.67 T +(a) 516.13 456.67 T +(m) 521.03 456.67 T +(e) 529.6 456.67 T +(d) 534.5 456.67 T +2 F +(stdout) 72 443.67 T +1 F +(in) 118.83 443.67 T +(the) 130.4 443.67 T +(built-in) 146.85 443.67 T +(module) 182.26 443.67 T +2 F +(sys) 218.27 443.67 T +1 F +(.) 238.07 443.67 T +(If) 243.84 443.67 T +(no) 254.17 443.67 T +(such) 268.19 443.67 T +(object) 291.36 443.67 T +(exists,) 321.26 443.67 T +(or) 352.08 443.67 T +(if) 364.25 443.67 T +(it) 373.99 443.67 T +(does) 383.11 443.67 T +(not) 406.29 443.67 T +(have) 423.36 443.67 T +(a) 447.14 443.67 T +2 F +(write\050\051) 455.04 443.67 T +1 F +(method,) 504.25 443.67 T (an exception is raised.) 72 430.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 14 Q (6.7) 72 403.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (The) 108 403.67 T 2 F (return) 136.78 403.67 T 0 F ( statement) 187.18 403.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 10 Q (return_stmt: "return" [expression_list]) 72 379.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 11 Q (return) 72 354.67 T 1 F ( may only occur syntactically nested in a function definition, not within a nested class definition.) 111.6 354.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (If an expression list is present, it is evaluated, else) 72 329.67 T 2 F (None) 295.02 329.67 T 1 F (is substituted.) 328.02 329.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 F (return) 72 304.67 T 1 F @@ -10665,128 +24881,236 @@ FrameNoSep (None) 372.81 304.67 T 1 F (\051 as return value.) 399.21 304.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.36 (When) 72 279.67 P +(When) 72 279.67 T 2 F -0.87 (return) 101.38 279.67 P +(return) 101.38 279.67 T 1 F -0.36 ( passes control out of a) 140.98 279.67 P +(passes) 144.1 279.67 T +(control) 175.32 279.67 T +(out) 209.59 279.67 T +(of) 226.76 279.67 T +(a) 239.04 279.67 T 2 F -0.87 (try) 247.04 279.67 P +(try) 247.04 279.67 T 1 F -0.36 ( statement with a) 266.84 279.67 P +(statement) 269.95 279.67 T +(with) 315.23 279.67 T +(a) 337.9 279.67 T 2 F -0.87 (finally) 345.9 279.67 P +(finally) 345.9 279.67 T 1 F -0.36 ( clause, that finally clause is exe-) 392.1 279.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(clause,) 395.21 279.67 T +(that) 428.57 279.67 T +(finally) 448.18 279.67 T +(clause) 480.01 279.67 T +(is) 510.62 279.67 T +(exe-) 521.07 279.67 T (cuted before really leaving the function.) 72 266.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 14 Q (6.8) 72 239.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (The) 108 239.67 T 2 F (raise) 136.78 239.67 T 0 F ( statement) 178.78 239.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 10 Q (raise_stmt: "raise" expression ["," expression ["," expression]]) 72 215.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 11 Q --0.98 (raise) 72 190.67 P -1 F --0.41 ( evaluates its first expression, which must yield a string, class, or instance object. If there is a second) 105 190.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.02 (expression, this is evaluated, else) 72 177.67 P -2 F -0.06 (None) 220.91 177.67 P -1 F -0.02 ( is substituted. If the first expression is a class object, then the sec-) 247.31 177.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.54 (ond expression must be an instance of that class or one of its derivatives. If the first expression is an instance) 72 164.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(raise) 72 190.67 T +1 F +(evaluates) 107.34 190.67 T +(its) 150.61 190.67 T +(first) 163.35 190.67 T +(expression,) 183.41 190.67 T +(which) 235.54 190.67 T +(must) 264.77 190.67 T +(yield) 288.5 190.67 T +(a) 312.85 190.67 T +(string,) 320.07 190.67 T +(class,) 350.22 190.67 T +(or) 376.69 190.67 T +(instance) 388.2 190.67 T +(object.) 426.58 190.67 T +(If) 458.56 190.67 T +(there) 468.22 190.67 T +(is) 492.55 190.67 T +(a) 502.23 190.67 T +(second) 509.45 190.67 T +(expression,) 72 177.67 T +(this) 124.57 177.67 T +(is) 143.24 177.67 T +(evaluated,) 153.35 177.67 T +(else) 201.03 177.67 T +2 F +(None) 220.91 177.67 T +1 F +(is) 250.08 177.67 T +(substituted.) 260.19 177.67 T +(If) 313.39 177.67 T +(the) 323.49 177.67 T +(first) 339.71 177.67 T +(expression) 360.2 177.67 T +(is) 410.02 177.67 T +(a) 420.13 177.67 T +(class) 427.79 177.67 T +(object,) 451.95 177.67 T +(then) 484.36 177.67 T +(the) 506.07 177.67 T +(sec-) 522.29 177.67 T +(ond) 72 164.67 T +(expression) 90.71 164.67 T +(must) 139.97 164.67 T +(be) 163.58 164.67 T +(an) 176.18 164.67 T +(instance) 188.78 164.67 T +(of) 227.04 164.67 T +(that) 238.41 164.67 T +(class) 257.13 164.67 T +(or) 280.73 164.67 T +(one) 292.1 164.67 T +(of) 310.2 164.67 T +(its) 321.58 164.67 T +(derivatives.) 334.18 164.67 T +(If) 387.42 164.67 T +(the) 396.95 164.67 T +(first) 412.61 164.67 T +(expression) 432.54 164.67 T +(is) 481.8 164.67 T +(an) 491.36 164.67 T +(instance) 503.95 164.67 T (object, the second expression must be) 72 151.67 T 2 F (None) 240.95 151.67 T 1 F (.) 267.35 151.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.45 (If the first object is a class or string, it then raises the exception identified by the first object, with the second) 72 126.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.47 (one \050or) 72 113.67 P -2 F --1.12 (None) 105.28 113.67 P -1 F --0.47 (\051 as its parameter. If the first object is an instance, it raises the exception identified by the class) 131.68 113.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.08 (of the object, with the instance as its parameter \050and there should be no second object, or the second object) 72 100.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(If) 72 126.67 T +(the) 81.62 126.67 T +(first) 97.36 126.67 T +(object) 117.38 126.67 T +(is) 146.56 126.67 T +(a) 156.19 126.67 T +(class) 163.37 126.67 T +(or) 187.05 126.67 T +(string,) 198.51 126.67 T +(it) 228.62 126.67 T +(then) 237.03 126.67 T +(raises) 258.27 126.67 T +(the) 285.61 126.67 T +(exception) 301.35 126.67 T +(identified) 346.42 126.67 T +(by) 390.88 126.67 T +(the) 404.17 126.67 T +(first) 419.91 126.67 T +(object,) 439.93 126.67 T +(with) 471.86 126.67 T +(the) 493.71 126.67 T +(second) 509.45 126.67 T +(one) 72 113.67 T +(\050or) 90.17 113.67 T +2 F +(None) 105.28 113.67 T +1 F +(\051) 131.68 113.67 T +(as) 137.63 113.67 T +(its) 149.07 113.67 T +(parameter.) 161.75 113.67 T +(If) 210.76 113.67 T +(the) 220.38 113.67 T +(first) 236.1 113.67 T +(object) 256.11 113.67 T +(is) 285.28 113.67 T +(an) 294.9 113.67 T +(instance,) 307.57 113.67 T +(it) 348.65 113.67 T +(raises) 357.05 113.67 T +(the) 384.38 113.67 T +(exception) 400.11 113.67 T +(identified) 445.16 113.67 T +(by) 489.61 113.67 T +(the) 502.89 113.67 T +(class) 518.61 113.67 T +(of) 72 100.67 T +(the) 83.83 100.67 T +(object,) 99.94 100.67 T +(with) 132.24 100.67 T +(the) 154.47 100.67 T +(instance) 170.58 100.67 T +(as) 209.3 100.67 T +(its) 221.13 100.67 T +(parameter) 234.19 100.67 T +(\050and) 280.84 100.67 T +(there) 303.05 100.67 T +(should) 327.71 100.67 T +(be) 359.72 100.67 T +(no) 372.77 100.67 T +(second) 386.44 100.67 T +(object,) 419.65 100.67 T +(or) 451.96 100.67 T +(the) 463.79 100.67 T +(second) 479.9 100.67 T +(object) 513.11 100.67 T (should be) 72 87.67 T 2 F (None) 117.22 87.67 T 1 F (\051.) 143.62 87.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "42" 48 %%Page: "43" 49 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (43) 530 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 585 292.5 598.5 720 R 5 9 Q -(\245) 0 -90 592.5 720 TF -(Simple statements) 0 -90 592.5 711 TF +(\245) 0 270 592.5 720 TF +(Simple statements) 0 270 592.5 711 TF 585 292.5 598.5 720 R -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q --0.12 (If a third object is present, and it is not) 99 712.67 P -2 F --0.29 (None) 270.43 712.67 P -1 F --0.12 (, it should be a traceback object \050see page) 296.83 712.67 P --0.12 (17 traceback) 484.23 712.67 P --0.5 (objects\051, and it is substituted instead of the current location as the place where the exception occurred.) 99 699.67 P +(If) 99 712.67 T +(a) 108.96 712.67 T +(third) 116.47 712.67 T +(object) 139.88 712.67 T +(is) 169.4 712.67 T +(present,) 179.36 712.67 T +(and) 216.51 712.67 T +(it) 235.03 712.67 T +(is) 243.77 712.67 T +(not) 253.74 712.67 T +2 F +(None) 270.43 712.67 T +1 F +(,) 296.83 712.67 T +(it) 302.21 712.67 T +(should) 310.96 712.67 T +(be) 342.92 712.67 T +(a) 355.94 712.67 T +(traceback) 363.45 712.67 T +(object) 408.23 712.67 T +(\050see) 437.74 712.67 T +(page) 460.71 712.67 T +(17) 484.23 712.67 T +(traceback) 497.86 712.67 T +(objects\051,) 99 699.67 T +(and) 138.82 699.67 T +(it) 156.95 699.67 T +(is) 165.31 699.67 T +(substituted) 174.89 699.67 T +(instead) 224.81 699.67 T +(of) 258.22 699.67 T +(the) 269.63 699.67 T +(current) 285.32 699.67 T +(location) 318.71 699.67 T +(as) 356.4 699.67 T +(the) 367.81 699.67 T +(place) 383.5 699.67 T +(where) 408.95 699.67 T +(the) 438.07 699.67 T +(exception) 453.76 699.67 T +(occurred.) 498.77 699.67 T (This is useful to re-raise an exception transparently in an except clause.) 99 686.67 T 0 14 Q (6.9) 99 659.67 T @@ -10798,17 +25122,30 @@ FrameNoSep 2 10 Q (break_stmt: "break") 99 635.33 T 2 11 Q --0.64 (break) 99 610.67 P -1 F --0.27 ( may only occur syntactically nested in a) 132 610.67 P -2 F --0.64 (for) 311.94 610.67 P -1 F --0.27 (or) 337.7 610.67 P -2 F --0.64 (while) 349.34 610.67 P -1 F --0.27 ( loop, but not nested in a function or) 382.34 610.67 P +(break) 99 610.67 T +1 F +(may) 134.48 610.67 T +(only) 155.91 610.67 T +(occur) 177.95 610.67 T +(syntactically) 204.86 610.67 T +(nested) 262.95 610.67 T +(in) 293.54 610.67 T +(a) 304.58 610.67 T +2 F +(for) 311.94 610.67 T +1 F +(or) 337.7 610.67 T +2 F +(while) 349.34 610.67 T +1 F +(loop,) 384.83 610.67 T +(but) 409.62 610.67 T +(not) 426.16 610.67 T +(nested) 442.7 610.67 T +(in) 473.29 610.67 T +(a) 484.33 610.67 T +(function) 491.69 610.67 T +(or) 530.84 610.67 T (class definition within that loop.) 99 597.67 T (It terminates the nearest enclosing loop, skipping the optional) 99 572.67 T 2 F @@ -10824,19 +25161,30 @@ FrameNoSep (break) 235.2 547.67 T 1 F (, the loop control target keeps its current value.) 268.2 547.67 T --0.55 (When) 99 522.67 P +(When) 99 522.67 T 2 F --1.32 (break) 127.47 522.67 P +(break) 127.47 522.67 T 1 F --0.55 ( passes control out of a) 160.47 522.67 P +(passes) 162.67 522.67 T +(control) 192.98 522.67 T +(out) 226.34 522.67 T +(of) 242.6 522.67 T +(a) 253.96 522.67 T 2 F --1.32 (try) 261.05 522.67 P +(try) 261.05 522.67 T 1 F --0.55 ( statement with a) 280.85 522.67 P +(statement) 283.05 522.67 T +(with) 327.42 522.67 T +(a) 349.17 522.67 T 2 F --1.32 (finally) 356.26 522.67 P +(finally) 356.26 522.67 T 1 F --0.55 ( clause, that finally clause is ex-) 402.46 522.67 P +(clause,) 404.66 522.67 T +(that) 437.1 522.67 T +(finally) 455.8 522.67 T +(clause) 486.72 522.67 T +(is) 516.41 522.67 T +(ex-) 525.95 522.67 T (ecuted before really leaving the loop.) 99 509.67 T 0 14 Q (6.10) 99 482.67 T @@ -10848,171 +25196,565 @@ FrameNoSep 2 10 Q (continue_stmt: "continue") 99 458.33 T 2 11 Q --1.3 (continue) 99 433.67 P -1 F --0.54 ( may only occur syntactically nested in a) 151.8 433.67 P -2 F --1.3 (for) 329.54 433.67 P -1 F --0.54 ( or) 349.34 433.67 P -2 F --1.3 (while) 362.92 433.67 P -1 F --0.54 ( loop, but not nested in a function) 395.92 433.67 P -0.04 (or class definition or) 99 420.67 P -2 F -0.1 (try) 192.65 420.67 P -1 F -0.04 ( statement within that loop.) 212.45 420.67 P +(continue) 99 433.67 T +1 F +(may) 154.01 433.67 T +(only) 175.16 433.67 T +(occur) 196.92 433.67 T +(syntactically) 223.56 433.67 T +(nested) 281.37 433.67 T +(in) 311.68 433.67 T +(a) 322.45 433.67 T +2 F +(for) 329.54 433.67 T +1 F +(or) 351.55 433.67 T +2 F +(while) 362.92 433.67 T +1 F +(loop,) 398.12 433.67 T +(but) 422.64 433.67 T +(not) 438.9 433.67 T +(nested) 455.17 433.67 T +(in) 485.48 433.67 T +(a) 496.24 433.67 T +(function) 503.34 433.67 T +(or) 99 417.73 T +(class) 110.95 417.73 T +(definition) 135.13 417.73 T +(or) 180.7 417.73 T +2 F +(try) 192.65 417.73 T +1 F +(statement) 215.24 417.73 T +(within) 260.19 417.73 T +(that) 291.1 417.73 T +(loop.) 310.39 417.73 T 1 8.8 Q -0.03 (1) 332.7 425.07 P -1 11 Q -0.04 ( It continues with the next cycle of the nearest) 337.1 420.67 P -(enclosing loop.) 99 407.67 T +(1) 332.7 422.13 T +1 11 Q +(It) 339.89 417.73 T +(continues) 349.4 417.73 T +(with) 394.35 417.73 T +(the) 416.7 417.73 T +(next) 432.93 417.73 T +(cycle) 454.66 417.73 T +(of) 480.66 417.73 T +(the) 492.62 417.73 T +(nearest) 508.85 417.73 T +(enclosing loop.) 99 404.73 T 0 14 Q -(6.11) 99 380.67 T -(The) 135 380.67 T +(6.11) 99 377.73 T +(The) 135 377.73 T 2 F -(import) 163.78 380.67 T +(import) 163.78 377.73 T 0 F -( statement) 214.18 380.67 T +( statement) 214.18 377.73 T 2 10 Q -(import_stmt: "import" module \050"," module\051*) 99 356.33 T -( | "from" module "import" identifier \050"," identifier\051*) 99 344.33 T -( | "from" module "import" "*") 99 332.33 T -(module: \050identifier "."\051* identifier) 99 320.33 T -1 11 Q --0.55 (Import statements are executed in two steps: \0501\051 find a module, and initialize it if necessary; \0502\051 define) 99 295.67 P --0.53 (a name or names in the local name space \050of the scope where the) 99 282.67 P -2 F --1.26 (import) 379.39 282.67 P -1 F --0.53 ( statement occurs\051. The first) 418.99 282.67 P --0.2 (form \050without) 99 269.67 P -2 F --0.47 (from) 162.77 269.67 P -1 F --0.2 (\051 repeats these steps for each identifier in the list. The form with) 189.17 269.67 P -2 F --0.47 (from) 471.34 269.67 P -1 F --0.2 ( performs) 497.74 269.67 P -(step \0501\051 once, and then performs step \0502\051 repeatedly.) 99 256.67 T -0.38 (The system maintains a table of modules that have been initialized, indexed by module name. \050The) 99 231.67 P -0.41 0.1 (current implementation makes this table accessible as) 99 218.67 B -2 F -0.99 0.1 (sys.modules) 346.17 218.67 B -1 F -0.41 0.1 (.\051 When a module name is) 419.93 218.67 B --0.44 (found in this table, step \0501\051 is finished. If not, a search for a module definition is started. When a mod-) 99 205.67 P --0.43 (ule is found, it is loaded. Details of the module searching and loading process are implementation and) 99 192.67 P -0.41 0.05 (platform specific. It generally involves searching for a \322built-in\323 module with the given name and) 99 179.67 B -(then searching a list of locations given as) 99 166.67 T -2 F -(sys.path) 282.92 166.67 T -1 F -(.) 335.72 166.67 T -(When step \0501\051 finishes without raising an exception, step \0502\051 can begin.) 99 141.67 T -0 0 0 1 0 0 0 K +(import_stmt: "import" module \050"," module\051*) 99 353.4 T +( | "from" module "import" identifier \050"," identifier\051*) 99 341.4 T +( | "from" module "import" "*") 99 329.4 T +(module: \050identifier "."\051* identifier) 99 317.4 T +1 11 Q +(Import) 99 292.73 T +(statements) 131.15 292.73 T +(are) 179.79 292.73 T +(executed) 195.42 292.73 T +(in) 236.72 292.73 T +(two) 247.48 292.73 T +(steps:) 266.18 292.73 T +(\0501\051) 293.44 292.73 T +(find) 308.47 292.73 T +(a) 328.39 292.73 T +(module,) 335.48 292.73 T +(and) 373.43 292.73 T +(initialize) 391.52 292.73 T +(it) 432.22 292.73 T +(if) 440.54 292.73 T +(necessary;) 449.46 292.73 T +(\0502\051) 497.48 292.73 T +(define) 512.51 292.73 T +(a) 99 279.73 T +(name) 106.11 279.73 T +(or) 132.16 279.73 T +(names) 143.55 279.73 T +(in) 173.88 279.73 T +(the) 184.66 279.73 T +(local) 200.32 279.73 T +(name) 223.93 279.73 T +(space) 249.98 279.73 T +(\050of) 276.64 279.73 T +(the) 291.69 279.73 T +(scope) 307.36 279.73 T +(where) 334.63 279.73 T +(the) 363.72 279.73 T +2 F +(import) 379.39 279.73 T +1 F +(statement) 421.21 279.73 T +(occurs\051.) 465.6 279.73 T +(The) 502.95 279.73 T +(first) 522.28 279.73 T +(form) 99 266.73 T +(\050without) 122.94 266.73 T +2 F +(from) 162.77 266.73 T +1 F +(\051) 189.17 266.73 T +(repeats) 195.39 266.73 T +(these) 229.09 266.73 T +(steps) 254.25 266.73 T +(for) 278.8 266.73 T +(each) 294.18 266.73 T +(identifier) 316.89 266.73 T +(in) 359.77 266.73 T +(the) 370.88 266.73 T +(list.) 386.87 266.73 T +(The) 405.63 266.73 T +(form) 425.29 266.73 T +(with) 449.23 266.73 T +2 F +(from) 471.34 266.73 T +1 F +(performs) 500.29 266.73 T +(step \0501\051 once, and then performs step \0502\051 repeatedly.) 99 253.73 T +(The) 99 228.73 T +(system) 119.23 228.73 T +(maintains) 152.91 228.73 T +(a) 198.82 228.73 T +(table) 206.83 228.73 T +(of) 231.34 228.73 T +(modules) 243.63 228.73 T +(that) 284.04 228.73 T +(have) 303.66 228.73 T +(been) 327.55 228.73 T +(initialized,) 351.45 228.73 T +(indexed) 401.33 228.73 T +(by) 439.28 228.73 T +(module) 453.4 228.73 T +(name.) 489.53 228.73 T +(\050The) 519.23 228.73 T +(c) 99 215.73 T +(u) 103.99 215.73 T +(r) 109.6 215.73 T +(r) 113.36 215.73 T +(e) 117.13 215.73 T +(n) 122.12 215.73 T +(t) 127.73 215.73 T +(i) 134.16 215.73 T +(m) 137.32 215.73 T +(p) 145.98 215.73 T +(l) 151.59 215.73 T +(e) 154.75 215.73 T +(m) 159.74 215.73 T +(e) 168.4 215.73 T +(n) 173.39 215.73 T +(t) 179 215.73 T +(a) 182.16 215.73 T +(t) 187.15 215.73 T +(i) 190.32 215.73 T +(o) 193.48 215.73 T +(n) 199.08 215.73 T +(m) 207.96 215.73 T +(a) 216.62 215.73 T +(k) 221.61 215.73 T +(e) 227.21 215.73 T +(s) 232.2 215.73 T +(t) 239.86 215.73 T +(h) 243.02 215.73 T +(i) 248.62 215.73 T +(s) 251.79 215.73 T +(t) 259.44 215.73 T +(a) 262.6 215.73 T +(b) 267.59 215.73 T +(l) 273.2 215.73 T +(e) 276.36 215.73 T +(a) 284.62 215.73 T +(c) 289.61 215.73 T +(c) 294.6 215.73 T +(e) 299.58 215.73 T +(s) 304.58 215.73 T +(s) 308.96 215.73 T +(i) 313.34 215.73 T +(b) 316.51 215.73 T +(l) 322.11 215.73 T +(e) 325.27 215.73 T +(a) 333.53 215.73 T +(s) 338.52 215.73 T +2 F +(s) 346.17 215.73 T +(y) 352.88 215.73 T +(s) 359.58 215.73 T +(.) 366.29 215.73 T +(m) 372.99 215.73 T +(o) 379.7 215.73 T +(d) 386.4 215.73 T +(u) 393.11 215.73 T +(l) 399.82 215.73 T +(e) 406.52 215.73 T +(s) 413.23 215.73 T +1 F +(.) 419.93 215.73 T +(\051) 422.79 215.73 T +(W) 429.82 215.73 T +(h) 440.31 215.73 T +(e) 445.92 215.73 T +(n) 450.91 215.73 T +(a) 459.78 215.73 T +(m) 468.04 215.73 T +(o) 476.7 215.73 T +(d) 482.3 215.73 T +(u) 487.91 215.73 T +(l) 493.52 215.73 T +(e) 496.68 215.73 T +(n) 504.94 215.73 T +(a) 510.54 215.73 T +(m) 515.53 215.73 T +(e) 524.19 215.73 T +(i) 532.45 215.73 T +(s) 535.61 215.73 T +(found) 99 202.73 T +(in) 126.98 202.73 T +(this) 137.85 202.73 T +(table,) 156.06 202.73 T +(step) 182.51 202.73 T +(\0501\051) 202.54 202.73 T +(is) 217.68 202.73 T +(finished.) 227.33 202.73 T +(If) 267.84 202.73 T +(not,) 277.48 202.73 T +(a) 296.6 202.73 T +(search) 303.8 202.73 T +(for) 334.21 202.73 T +(a) 349.35 202.73 T +(module) 356.55 202.73 T +(definition) 391.86 202.73 T +(is) 436.96 202.73 T +(started.) 446.61 202.73 T +(When) 481 202.73 T +(a) 509.58 202.73 T +(mod-) 516.78 202.73 T +(ule) 99 189.73 T +(is) 114.76 189.73 T +(found,) 124.42 189.73 T +(it) 155.15 189.73 T +(is) 163.59 189.73 T +(loaded.) 173.24 189.73 T +(Details) 207.64 189.73 T +(of) 241.12 189.73 T +(the) 252.6 189.73 T +(module) 268.36 189.73 T +(searching) 303.68 189.73 T +(and) 348.16 189.73 T +(loading) 366.36 189.73 T +(process) 401.68 189.73 T +(are) 436.99 189.73 T +(implementation) 452.74 189.73 T +(and) 524.11 189.73 T +(p) 99 176.73 T +(l) 104.55 176.73 T +(a) 107.66 176.73 T +(t) 112.59 176.73 T +(f) 115.7 176.73 T +(o) 119.41 176.73 T +(r) 124.96 176.73 T +(m) 128.67 176.73 T +(s) 140.49 176.73 T +(p) 144.82 176.73 T +(e) 150.37 176.73 T +(c) 155.3 176.73 T +(i) 160.23 176.73 T +(f) 163.34 176.73 T +(i) 167.05 176.73 T +(c) 170.16 176.73 T +(.) 175.09 176.73 T +(I) 181.1 176.73 T +(t) 184.82 176.73 T +(g) 191.13 176.73 T +(e) 196.68 176.73 T +(n) 201.62 176.73 T +(e) 207.17 176.73 T +(r) 212.1 176.73 T +(a) 215.81 176.73 T +(l) 220.74 176.73 T +(l) 223.85 176.73 T +(y) 226.96 176.73 T +(i) 235.72 176.73 T +(n) 238.83 176.73 T +(v) 244.38 176.73 T +(o) 249.93 176.73 T +(l) 255.48 176.73 T +(v) 258.58 176.73 T +(e) 264.13 176.73 T +(s) 269.07 176.73 T +(s) 276.61 176.73 T +(e) 280.93 176.73 T +(a) 285.87 176.73 T +(r) 290.8 176.73 T +(c) 294.51 176.73 T +(h) 299.45 176.73 T +(i) 304.99 176.73 T +(n) 308.1 176.73 T +(g) 313.65 176.73 T +(f) 322.41 176.73 T +(o) 326.12 176.73 T +(r) 331.67 176.73 T +(a) 338.6 176.73 T +(\322) 346.74 176.73 T +(b) 351.67 176.73 T +(u) 357.22 176.73 T +(i) 362.77 176.73 T +(l) 365.88 176.73 T +(t) 368.99 176.73 T +(-) 372.1 176.73 T +(i) 375.81 176.73 T +(n) 378.91 176.73 T +(\323) 384.46 176.73 T +(m) 392.61 176.73 T +(o) 401.21 176.73 T +(d) 406.77 176.73 T +(u) 412.31 176.73 T +(l) 417.86 176.73 T +(e) 420.97 176.73 T +(w) 429.11 176.73 T +(i) 437.11 176.73 T +(t) 440.21 176.73 T +(h) 443.32 176.73 T +(t) 452.08 176.73 T +(h) 455.19 176.73 T +(e) 460.74 176.73 T +(g) 468.88 176.73 T +(i) 474.43 176.73 T +(v) 477.54 176.73 T +(e) 483.09 176.73 T +(n) 488.02 176.73 T +(n) 496.78 176.73 T +(a) 502.33 176.73 T +(m) 507.27 176.73 T +(e) 515.87 176.73 T +(a) 524.02 176.73 T +(n) 528.95 176.73 T +(d) 534.5 176.73 T +(then searching a list of locations given as) 99 163.73 T +2 F +(sys.path) 282.92 163.73 T +1 F +(.) 335.72 163.73 T +(When step \0501\051 finishes without raising an exception, step \0502\051 can begin.) 99 138.73 T 99 76 540 91 C -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 108 89 252 89 2 L 0.5 H 2 Z 0 X -0 0 0 1 0 0 0 K N -0 0 0 1 0 0 0 K 0 0 612 792 C -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 11 Q 0 X -0 0 0 1 0 0 0 K (1.) 108 68.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Except that it may currently occur within an) 121.5 68.67 T 2 F (except) 318.25 68.67 T 1 F ( clause.) 357.85 68.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "43" 49 %%Page: "44" 50 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (44) 76.5 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q -0.05 (The first form of) 72 712.67 P -2 F -0.13 (import) 148.59 712.67 P -1 F -0.05 ( statement binds the module name in the local name space to the module object,) 188.19 712.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.41 0.02 (and then goes on to import the next identifier, if any. The) 72 699.67 B -2 F -0.99 0.02 (from) 332.89 699.67 B -1 F -0.41 0.02 ( form does not bind the module name: it) 359.37 699.67 B -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.25 (goes through the list of identifiers, looks each one of them up in the module found in step \0501\051, and binds the) 72 686.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.01 (name in the local name space to the object thus found. If a name is not found,) 72 673.67 P -2 F --0.03 (ImportError) 415.5 673.67 P -1 F --0.01 ( is raised. If) 488.1 673.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.13 (the list of identifiers is replaced by a star \050) 72 660.67 P -2 F -0.31 (*) 258.58 660.67 P -1 F -0.13 (\051, all names defined in the module are bound, except those be-) 265.18 660.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(The) 72 712.67 T +(first) 91.91 712.67 T +(form) 112.43 712.67 T +(of) 136.62 712.67 T +2 F +(import) 148.59 712.67 T +1 F +(statement) 191 712.67 T +(binds) 235.96 712.67 T +(the) 262.61 712.67 T +(module) 278.85 712.67 T +(name) 314.66 712.67 T +(in) 341.29 712.67 T +(the) 352.65 712.67 T +(local) 368.9 712.67 T +(name) 393.08 712.67 T +(space) 419.72 712.67 T +(to) 446.95 712.67 T +(the) 458.31 712.67 T +(module) 474.56 712.67 T +(object,) 510.37 712.67 T +(a) 72 699.67 T +(n) 76.9 699.67 T +(d) 82.42 699.67 T +(t) 91.12 699.67 T +(h) 94.2 699.67 T +(e) 99.72 699.67 T +(n) 104.62 699.67 T +(g) 113.32 699.67 T +(o) 118.84 699.67 T +(e) 124.36 699.67 T +(s) 129.26 699.67 T +(o) 136.74 699.67 T +(n) 142.26 699.67 T +(t) 150.96 699.67 T +(o) 154.04 699.67 T +(i) 162.74 699.67 T +(m) 165.82 699.67 T +(p) 174.39 699.67 T +(o) 179.91 699.67 T +(r) 185.43 699.67 T +(t) 189.11 699.67 T +(t) 195.37 699.67 T +(h) 198.45 699.67 T +(e) 203.97 699.67 T +(n) 212.05 699.67 T +(e) 217.57 699.67 T +(x) 222.48 699.67 T +(t) 227.99 699.67 T +(i) 234.25 699.67 T +(d) 237.33 699.67 T +(e) 242.85 699.67 T +(n) 247.75 699.67 T +(t) 253.27 699.67 T +(i) 256.35 699.67 T +(f) 259.42 699.67 T +(i) 263.11 699.67 T +(e) 266.18 699.67 T +(r) 271.09 699.67 T +(,) 274.77 699.67 T +(i) 280.72 699.67 T +(f) 283.8 699.67 T +(a) 290.66 699.67 T +(n) 295.56 699.67 T +(y) 301.08 699.67 T +(.) 306.6 699.67 T +(T) 312.55 699.67 T +(h) 319.29 699.67 T +(e) 324.81 699.67 T +2 F +(f) 332.89 699.67 T +(r) 339.51 699.67 T +(o) 346.13 699.67 T +(m) 352.75 699.67 T +1 F +(f) 362.55 699.67 T +(o) 366.23 699.67 T +(r) 371.75 699.67 T +(m) 375.44 699.67 T +(d) 387.19 699.67 T +(o) 392.71 699.67 T +(e) 398.23 699.67 T +(s) 403.14 699.67 T +(n) 410.61 699.67 T +(o) 416.13 699.67 T +(t) 421.65 699.67 T +(b) 427.91 699.67 T +(i) 433.43 699.67 T +(n) 436.51 699.67 T +(d) 442.03 699.67 T +(t) 450.73 699.67 T +(h) 453.8 699.67 T +(e) 459.32 699.67 T +(m) 467.41 699.67 T +(o) 475.98 699.67 T +(d) 481.5 699.67 T +(u) 487.02 699.67 T +(l) 492.54 699.67 T +(e) 495.62 699.67 T +(n) 503.7 699.67 T +(a) 509.22 699.67 T +(m) 514.12 699.67 T +(e) 522.7 699.67 T +(:) 527.6 699.67 T +(i) 533.86 699.67 T +(t) 536.94 699.67 T +(goes) 72 686.67 T +(through) 94.66 686.67 T +(the) 131.38 686.67 T +(list) 147.32 686.67 T +(of) 163.28 686.67 T +(identifiers,) 174.94 686.67 T +(looks) 224.79 686.67 T +(each) 251.13 686.67 T +(one) 273.78 686.67 T +(of) 292.16 686.67 T +(them) 303.83 686.67 T +(up) 328.33 686.67 T +(in) 341.83 686.67 T +(the) 352.88 686.67 T +(module) 368.82 686.67 T +(found) 404.32 686.67 T +(in) 432.48 686.67 T +(step) 443.54 686.67 T +(\0501\051,) 463.76 686.67 T +(and) 481.84 686.67 T +(binds) 500.22 686.67 T +(the) 526.56 686.67 T +(name) 72 673.67 T +(in) 98.57 673.67 T +(the) 109.86 673.67 T +(local) 126.04 673.67 T +(name) 150.16 673.67 T +(space) 176.73 673.67 T +(to) 203.9 673.67 T +(the) 215.2 673.67 T +(object) 231.38 673.67 T +(thus) 261 673.67 T +(found.) 282.08 673.67 T +(If) 313.23 673.67 T +(a) 323.29 673.67 T +(name) 330.91 673.67 T +(is) 357.48 673.67 T +(not) 367.55 673.67 T +(found,) 384.35 673.67 T +2 F +(ImportError) 415.5 673.67 T +1 F +(is) 490.84 673.67 T +(raised.) 500.92 673.67 T +(If) 532.67 673.67 T +(the) 72 660.67 T +(list) 88.32 660.67 T +(of) 104.65 660.67 T +(identifiers) 116.69 660.67 T +(is) 164.17 660.67 T +(replaced) 174.39 660.67 T +(by) 214.52 660.67 T +(a) 228.4 660.67 T +(star) 236.16 660.67 T +(\050) 254.92 660.67 T +2 F +(*) 258.58 660.67 T +1 F +(\051,) 265.18 660.67 T +(all) 274.47 660.67 T +(names) 288.35 660.67 T +(defined) 319.33 660.67 T +(in) 355.2 660.67 T +(the) 366.64 660.67 T +(module) 382.95 660.67 T +(are) 418.83 660.67 T +(bound,) 435.14 660.67 T +(except) 468.27 660.67 T +(those) 499.85 660.67 T +(be-) 525.95 660.67 T (ginning with an underscore\050) 72 647.67 T 2 F (_) 195.73 647.67 T 1 F (\051.) 202.33 647.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Names bound by import statements should not occur in) 72 622.67 T 2 F (global) 317.96 622.67 T 1 F ( statements in the same scope.) 357.56 622.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (The) 72 597.67 T 2 F (from) 91.86 597.67 T @@ -11022,62 +25764,229 @@ FrameNoSep (*) 167.45 597.67 T 1 F ( should only occur in a module scope.) 174.05 597.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.37 (\050The current implementation does not enforce the latter two restrictions, but programs should not abuse this) 72 572.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(\050The) 72 572.67 T +(current) 95.15 572.67 T +(implementation) 128.68 572.67 T +(does) 200.12 572.67 T +(not) 222.66 572.67 T +(enforce) 239.1 572.67 T +(the) 274.46 572.67 T +(latter) 290.28 572.67 T +(two) 315.26 572.67 T +(restrictions,) 334.14 572.67 T +(but) 388.16 572.67 T +(programs) 404.6 572.67 T +(should) 448.52 572.67 T +(not) 480.24 572.67 T +(abuse) 496.68 572.67 T +(this) 524.1 572.67 T (freedom, as future implementations may enforce them or silently change the meaning of the program.\051) 72 559.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 4 F --0.21 (Hierarchical module names:) 72 534.67 P -1 F --0.21 ( when the module names contains aone or more dots, the module search path) 204.8 534.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.14 (is carried out differently. The sequence of identifiers up to the last dot is used to find a \322package\323; the final) 72 521.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.25 (identifier is then searched inside the package. [XXX Can\325t be bothered to spell this out right now; see the) 72 508.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.41 0 (URL http://grail.cnri.reston.va.us/python/essays/packages.hmtl for more details, also about how the mod-) 72 495.67 B -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(Hierarchical) 72 534.67 T +(module) 133.81 534.67 T +(names:) 171.19 534.67 T +1 F +(when) 207.34 534.67 T +(the) 233.71 534.67 T +(module) 249.7 534.67 T +(names) 285.24 534.67 T +(contains) 315.89 534.67 T +(aone) 355.09 534.67 T +(or) 378.41 534.67 T +(more) 390.11 534.67 T +(dots,) 415.26 534.67 T +(the) 438.89 534.67 T +(module) 454.88 534.67 T +(search) 490.42 534.67 T +(path) 521.06 534.67 T +(is) 72 521.67 T +(carried) 81.95 521.67 T +(out) 115.1 521.67 T +(differently.) 131.77 521.67 T +(The) 183.56 521.67 T +(sequence) 203.27 521.67 T +(of) 246.2 521.67 T +(identifiers) 257.98 521.67 T +(up) 305.19 521.67 T +(to) 318.8 521.67 T +(the) 329.97 521.67 T +(last) 346.03 521.67 T +(dot) 363.92 521.67 T +(is) 380.59 521.67 T +(used) 390.54 521.67 T +(to) 413.31 521.67 T +(find) 424.48 521.67 T +(a) 444.81 521.67 T +(\322package\323;) 452.31 521.67 T +(the) 503.78 521.67 T +(final) 519.84 521.67 T +(identifier) 72 508.67 T +(is) 115.33 508.67 T +(then) 125.67 508.67 T +(searched) 147.61 508.67 T +(inside) 189.09 508.67 T +(the) 218.38 508.67 T +(package.) 234.82 508.67 T +([XXX) 276.61 508.67 T +(Can\325t) 307.1 508.67 T +(be) 334.54 508.67 T +(bothered) 347.93 508.67 T +(to) 389.42 508.67 T +(spell) 400.98 508.67 T +(this) 424.77 508.67 T +(out) 443.66 508.67 T +(right) 460.72 508.67 T +(now;) 484.51 508.67 T +(see) 509.51 508.67 T +(the) 526.56 508.67 T +(U) 72 495.67 T +(R) 79.94 495.67 T +(L) 87.28 495.67 T +(h) 97.17 495.67 T +(t) 102.67 495.67 T +(t) 105.73 495.67 T +(p) 108.79 495.67 T +(:) 114.29 495.67 T +(/) 117.35 495.67 T +(/) 120.41 495.67 T +(g) 123.47 495.67 T +(r) 128.97 495.67 T +(a) 132.64 495.67 T +(i) 137.52 495.67 T +(l) 140.59 495.67 T +(.) 143.65 495.67 T +(c) 146.4 495.67 T +(n) 151.28 495.67 T +(r) 156.78 495.67 T +(i) 160.45 495.67 T +(.) 163.51 495.67 T +(r) 166.26 495.67 T +(e) 169.93 495.67 T +(s) 174.81 495.67 T +(t) 179.09 495.67 T +(o) 182.15 495.67 T +(n) 187.65 495.67 T +(.) 193.16 495.67 T +(v) 195.91 495.67 T +(a) 201.41 495.67 T +(.) 206.29 495.67 T +(u) 209.05 495.67 T +(s) 214.55 495.67 T +(/) 218.83 495.67 T +(p) 221.89 495.67 T +(y) 227.39 495.67 T +(t) 232.89 495.67 T +(h) 235.95 495.67 T +(o) 241.46 495.67 T +(n) 246.96 495.67 T +(/) 252.46 495.67 T +(e) 255.52 495.67 T +(s) 260.4 495.67 T +(s) 264.68 495.67 T +(a) 268.97 495.67 T +(y) 273.85 495.67 T +(s) 279.35 495.67 T +(/) 283.63 495.67 T +(p) 286.69 495.67 T +(a) 292.2 495.67 T +(c) 297.08 495.67 T +(k) 301.97 495.67 T +(a) 307.47 495.67 T +(g) 312.36 495.67 T +(e) 317.86 495.67 T +(s) 322.74 495.67 T +(.) 327.02 495.67 T +(h) 329.77 495.67 T +(m) 335.28 495.67 T +(t) 343.84 495.67 T +(l) 346.9 495.67 T +(f) 353.12 495.67 T +(o) 356.79 495.67 T +(r) 362.29 495.67 T +(m) 369.12 495.67 T +(o) 377.68 495.67 T +(r) 383.18 495.67 T +(e) 386.84 495.67 T +(d) 394.89 495.67 T +(e) 400.39 495.67 T +(t) 405.28 495.67 T +(a) 408.34 495.67 T +(i) 413.23 495.67 T +(l) 416.29 495.67 T +(s) 419.35 495.67 T +(,) 423.63 495.67 T +(a) 429.54 495.67 T +(l) 434.43 495.67 T +(s) 437.49 495.67 T +(o) 441.77 495.67 T +(a) 450.44 495.67 T +(b) 455.32 495.67 T +(o) 460.82 495.67 T +(u) 466.33 495.67 T +(t) 471.83 495.67 T +(h) 478.05 495.67 T +(o) 483.55 495.67 T +(w) 489.05 495.67 T +(t) 500.16 495.67 T +(h) 503.22 495.67 T +(e) 508.73 495.67 T +(m) 516.78 495.67 T +(o) 525.34 495.67 T +(d) 530.84 495.67 T +(-) 536.34 495.67 T (ule search works from inside a package.]) 72 482.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 14 Q (6.12) 72 455.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (The) 108 455.67 T 2 F (global) 136.78 455.67 T 0 F ( statement) 187.18 455.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 10 Q (global_stmt: "global" identifier \050"," identifier\051*) 72 431.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q --0.25 (The) 72 406.67 P -2 F --0.6 (global) 91.61 406.67 P -1 F --0.25 ( statement is a declaration which holds for the entire current code block. It means that the list-) 131.21 406.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.19 (ed identifiers are to be interpreted as globals. While) 72 393.67 P +(The) 72 406.67 T +2 F +(global) 91.61 406.67 T +1 F +(statement) 133.71 406.67 T +(is) 178.37 406.67 T +(a) 188.21 406.67 T +(declaration) 195.59 406.67 T +(which) 246.96 406.67 T +(holds) 276.35 406.67 T +(for) 302.68 406.67 T +(the) 318.01 406.67 T +(entire) 333.95 406.67 T +(current) 361.5 406.67 T +(code) 395.15 406.67 T +(block.) 418.42 406.67 T +(It) 448.11 406.67 T +(means) 457.33 406.67 T +(that) 487.94 406.67 T +(the) 506.94 406.67 T +(list-) 522.88 406.67 T +(ed) 72 393.67 T +(identifiers) 84.94 393.67 T +(are) 132.11 393.67 T +(to) 148.1 393.67 T +(be) 159.22 393.67 T +(interpreted) 172.17 393.67 T +(as) 222.38 393.67 T +(globals.) 234.11 393.67 T +(While) 271.2 393.67 T 3 F --0.19 (using) 300.64 393.67 P -1 F --0.19 ( global names is automatic if they are not defined) 324.48 393.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(using) 300.64 393.67 T +1 F +(global) 327.04 393.67 T +(names) 357.1 393.67 T +(is) 387.77 393.67 T +(automatic) 397.67 393.67 T +(if) 443.61 393.67 T +(they) 452.9 393.67 T +(are) 474.4 393.67 T +(not) 490.39 393.67 T +(defined) 507.01 393.67 T (in the local scope,) 72 380.67 T 3 F (assigning) 154.18 380.67 T @@ -11087,33 +25996,54 @@ FrameNoSep (global) 401.69 380.67 T 1 F (.) 441.29 380.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.28 (Names listed in a) 72 355.67 P -2 F -0.68 (global) 151.95 355.67 P -1 F -0.28 ( statement must not be used in the same code block before that) 191.55 355.67 P -2 F -0.68 (global) 473.54 355.67 P -1 F -0.28 ( state-) 513.14 355.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(Names) 72 355.67 T +(listed) 105.58 355.67 T +(in) 132.45 355.67 T +(a) 144.04 355.67 T +2 F +(global) 151.95 355.67 T +1 F +(statement) 194.59 355.67 T +(must) 239.78 355.67 T +(not) 264.21 355.67 T +(be) 281.3 355.67 T +(used) 294.71 355.67 T +(in) 317.91 355.67 T +(the) 329.5 355.67 T +(same) 345.97 355.67 T +(code) 371.61 355.67 T +(block) 395.41 355.67 T +(before) 422.88 355.67 T +(that) 454.01 355.67 T +2 F +(global) 473.54 355.67 T +1 F +(state-) 516.17 355.67 T (ment is executed.) 72 342.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.41 (Names listed in a) 72 317.67 P -2 F --0.99 (global) 149.18 317.67 P -1 F --0.41 ( statement must not be defined as formal parameters or in a) 188.78 317.67 P -2 F --0.99 (for) 447.19 317.67 P -1 F --0.41 ( loop control tar-) 466.99 317.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(Names) 72 317.67 T +(listed) 104.89 317.67 T +(in) 131.06 317.67 T +(a) 141.96 317.67 T +2 F +(global) 149.18 317.67 T +1 F +(statement) 191.12 317.67 T +(must) 235.62 317.67 T +(not) 259.36 317.67 T +(be) 275.76 317.67 T +(defined) 288.48 317.67 T +(as) 323.81 317.67 T +(formal) 335.31 317.67 T +(parameters) 366.97 317.67 T +(or) 417.57 317.67 T +(in) 429.07 317.67 T +(a) 439.97 317.67 T +2 F +(for) 447.19 317.67 T +1 F +(loop) 469.33 317.67 T +(control) 491.23 317.67 T +(tar-) 524.73 317.67 T (get,) 72 304.67 T 2 F (class) 90.94 304.67 T @@ -11123,65 +26053,242 @@ FrameNoSep (import) 278.43 304.67 T 1 F ( statement.) 318.03 304.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.37 (\050The current implementation does not enforce the latter two restrictions, but programs should not abuse this) 72 279.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(\050The) 72 279.67 T +(current) 95.15 279.67 T +(implementation) 128.68 279.67 T +(does) 200.12 279.67 T +(not) 222.66 279.67 T +(enforce) 239.1 279.67 T +(the) 274.46 279.67 T +(latter) 290.28 279.67 T +(two) 315.26 279.67 T +(restrictions,) 334.14 279.67 T +(but) 388.16 279.67 T +(programs) 404.6 279.67 T +(should) 448.52 279.67 T +(not) 480.24 279.67 T +(abuse) 496.68 279.67 T +(this) 524.1 279.67 T (freedom, as future implementations may enforce them or silently change the meaning of the program.\051) 72 266.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 4 F -0.41 0.03 (Programmer\325s note:) 72 241.67 B -1 F -0.41 0.03 ( the) 168.62 241.67 B -2 F -0.99 0.03 (global) 188.55 241.67 B -1 F -0.41 0.03 ( is a directive to the parser. It applies only to code parsed at the same) 228.35 241.67 B -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.31 (time as the) 72 228.67 P -2 F -0.74 (global) 123.34 228.67 P -1 F -0.31 (statement. In particular, a) 170.28 228.67 P -2 F -0.74 (global) 286.38 228.67 P -1 F -0.31 ( statement contained in an) 325.98 228.67 P -2 F -0.74 (exec) 445.15 228.67 P -1 F -0.31 ( statement does) 471.55 228.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.06 (not affect the code block) 72 215.67 P +(P) 72 241.67 T +(r) 78.75 241.67 T +(o) 83.67 241.67 T +(g) 89.21 241.67 T +(r) 94.74 241.67 T +(a) 99.66 241.67 T +(m) 105.19 241.67 T +(m) 114.39 241.67 T +(e) 123.58 241.67 T +(r) 128.5 241.67 T +(\325) 133.42 241.67 T +(s) 137.11 241.67 T +(n) 144.62 241.67 T +(o) 150.77 241.67 T +(t) 156.31 241.67 T +(e) 160 241.67 T +(:) 164.92 241.67 T +1 F +(t) 171.81 241.67 T +(h) 174.9 241.67 T +(e) 180.44 241.67 T +2 F +(g) 188.55 241.67 T +(l) 195.18 241.67 T +(o) 201.82 241.67 T +(b) 208.45 241.67 T +(a) 215.08 241.67 T +(l) 221.72 241.67 T +1 F +(i) 231.55 241.67 T +(s) 234.64 241.67 T +(a) 242.15 241.67 T +(d) 250.26 241.67 T +(i) 255.79 241.67 T +(r) 258.89 241.67 T +(e) 262.58 241.67 T +(c) 267.5 241.67 T +(t) 272.42 241.67 T +(i) 275.51 241.67 T +(v) 278.6 241.67 T +(e) 284.13 241.67 T +(t) 292.25 241.67 T +(o) 295.34 241.67 T +(t) 304.07 241.67 T +(h) 307.16 241.67 T +(e) 312.69 241.67 T +(p) 320.81 241.67 T +(a) 326.34 241.67 T +(r) 331.26 241.67 T +(s) 334.95 241.67 T +(e) 339.27 241.67 T +(r) 344.18 241.67 T +(.) 347.88 241.67 T +(I) 353.86 241.67 T +(t) 357.56 241.67 T +(a) 363.84 241.67 T +(p) 368.76 241.67 T +(p) 374.29 241.67 T +(l) 379.83 241.67 T +(i) 382.92 241.67 T +(e) 386.01 241.67 T +(s) 390.93 241.67 T +(o) 398.44 241.67 T +(n) 403.97 241.67 T +(l) 409.5 241.67 T +(y) 412.6 241.67 T +(t) 421.32 241.67 T +(o) 424.42 241.67 T +(c) 433.14 241.67 T +(o) 438.06 241.67 T +(d) 443.6 241.67 T +(e) 449.13 241.67 T +(p) 457.24 241.67 T +(a) 462.78 241.67 T +(r) 467.69 241.67 T +(s) 471.39 241.67 T +(e) 475.7 241.67 T +(d) 480.62 241.67 T +(a) 489.35 241.67 T +(t) 494.27 241.67 T +(t) 500.55 241.67 T +(h) 503.65 241.67 T +(e) 509.18 241.67 T +(s) 517.29 241.67 T +(a) 521.6 241.67 T +(m) 526.52 241.67 T +(e) 535.11 241.67 T +(time) 72 228.67 T +(as) 94.62 228.67 T +(the) 106.84 228.67 T +2 F +(global) 123.34 228.67 T +1 F +(statement.) 170.28 228.67 T +(In) 218.26 228.67 T +(particular,) 230.48 228.67 T +(a) 278.44 228.67 T +2 F +(global) 286.38 228.67 T +1 F +(statement) 329.04 228.67 T +(contained) 374.27 228.67 T +(in) 420.09 228.67 T +(an) 431.71 228.67 T +2 F +(exec) 445.15 228.67 T +1 F +(statement) 474.61 228.67 T +(does) 519.84 228.67 T +(not) 72 215.67 T +(affect) 88.75 215.67 T +(the) 116.48 215.67 T +(code) 132.61 215.67 T +(block) 156.07 215.67 T 3 F --0.06 (containing) 183.2 215.67 P -1 F --0.06 (the) 232.95 215.67 P -2 F --0.14 (exec) 249.08 215.67 P -1 F --0.06 ( statement, and code contained in an) 275.48 215.67 P -2 F --0.14 (exec) 437.6 215.67 P -1 F --0.06 (statement is un-) 470.45 215.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.41 0.22 (affected by) 72 202.67 B -2 F -0.99 0.22 (global) 127.43 202.67 B -1 F -0.41 0.22 ( statements in the code containing the) 168.37 202.67 B -2 F -0.99 0.22 (exec) 348.33 202.67 B -1 F -0.41 0.22 ( statement. The same applies to the) 375.63 202.67 B -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(containing) 183.2 215.67 T +1 F +(the) 232.95 215.67 T +2 F +(exec) 249.08 215.67 T +1 F +(statement,) 278.17 215.67 T +(and) 325.78 215.67 T +(code) 344.35 215.67 T +(contained) 367.81 215.67 T +(in) 413.27 215.67 T +(an) 424.52 215.67 T +2 F +(exec) 437.6 215.67 T +1 F +(statement) 470.45 215.67 T +(is) 515.31 215.67 T +(un-) 525.34 215.67 T +(a) 72 202.67 T +(f) 77.11 202.67 T +(f) 81 202.67 T +(e) 84.88 202.67 T +(c) 89.99 202.67 T +(t) 95.1 202.67 T +(e) 98.38 202.67 T +(d) 103.49 202.67 T +(b) 112.6 202.67 T +(y) 118.32 202.67 T +2 F +(g) 127.43 202.67 T +(l) 134.25 202.67 T +(o) 141.08 202.67 T +(b) 147.9 202.67 T +(a) 154.73 202.67 T +(l) 161.55 202.67 T +1 F +(s) 171.76 202.67 T +(t) 176.26 202.67 T +(a) 179.54 202.67 T +(t) 184.65 202.67 T +(e) 187.93 202.67 T +(m) 193.04 202.67 T +(e) 201.82 202.67 T +(n) 206.93 202.67 T +(t) 212.65 202.67 T +(s) 215.94 202.67 T +(i) 223.83 202.67 T +(n) 227.11 202.67 T +(t) 236.22 202.67 T +(h) 239.5 202.67 T +(e) 245.22 202.67 T +(c) 253.72 202.67 T +(o) 258.83 202.67 T +(d) 264.55 202.67 T +(e) 270.27 202.67 T +(c) 278.77 202.67 T +(o) 283.88 202.67 T +(n) 289.6 202.67 T +(t) 295.32 202.67 T +(a) 298.61 202.67 T +(i) 303.71 202.67 T +(n) 306.99 202.67 T +(i) 312.72 202.67 T +(n) 316 202.67 T +(g) 321.72 202.67 T +(t) 330.83 202.67 T +(h) 334.12 202.67 T +(e) 339.84 202.67 T +2 F +(e) 348.33 202.67 T +(x) 355.16 202.67 T +(e) 361.98 202.67 T +(c) 368.8 202.67 T +1 F +(s) 379.02 202.67 T +(t) 383.52 202.67 T +(a) 386.8 202.67 T +(t) 391.91 202.67 T +(e) 395.19 202.67 T +(m) 400.3 202.67 T +(e) 409.08 202.67 T +(n) 414.19 202.67 T +(t) 419.91 202.67 T +(.) 423.19 202.67 T +(T) 429.55 202.67 T +(h) 436.5 202.67 T +(e) 442.22 202.67 T +(s) 450.71 202.67 T +(a) 455.22 202.67 T +(m) 460.33 202.67 T +(e) 469.11 202.67 T +(a) 477.6 202.67 T +(p) 482.71 202.67 T +(p) 488.43 202.67 T +(l) 494.16 202.67 T +(i) 497.44 202.67 T +(e) 500.72 202.67 T +(s) 505.83 202.67 T +(t) 513.72 202.67 T +(o) 517 202.67 T +(t) 526.11 202.67 T +(h) 529.39 202.67 T +(e) 535.11 202.67 T 2 F (eval\050\051) 72 189.67 T 1 F @@ -11194,168 +26301,449 @@ FrameNoSep (compile\050\051) 204.48 189.67 T 1 F ( functions.) 263.88 189.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 14 Q (6.13) 72 162.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (The) 108 162.67 T 2 F (exec) 136.78 162.67 T 0 F ( statement) 170.38 162.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 10 Q (exec_stmt: "exec" expression ["in" expression ["," expression]]) 72 138.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "44" 50 %%Page: "45" 51 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (45) 530 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 585 292.5 598.5 720 R 5 9 Q -(\245) 0 -90 592.5 720 TF -(Simple statements) 0 -90 592.5 711 TF +(\245) 0 270 592.5 720 TF +(Simple statements) 0 270 592.5 711 TF 585 292.5 598.5 720 R -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q -0.41 (This statement supports dynamic execution of Python code. 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If it is an open file, the file) 99 686.67 P +(This) 99 712.67 T +(statement) 121.72 712.67 T +(supports) 167.04 712.67 T +(dynamic) 207.48 712.67 T +(execution) 248.52 712.67 T +(of) 294.45 712.67 T +(Python) 306.77 712.67 T +(code.) 341.11 712.67 T +(The) 367.78 712.67 T +(first) 388.05 712.67 T +(expression) 408.93 712.67 T +(should) 459.13 712.67 T +(evaluate) 491.63 712.67 T +(to) 531.44 712.67 T +(either) 99 699.67 T +(a) 127.12 699.67 T +(string,) 135.08 699.67 T +(an) 165.97 699.67 T +(open) 179.43 699.67 T +(file) 203.88 699.67 T +(object,) 221.62 699.67 T +(or) 254.33 699.67 T +(a) 266.57 699.67 T +(code) 274.53 699.67 T +(object.) 298.38 699.67 T +(If) 331.08 699.67 T +(it) 341.49 699.67 T +(is) 350.68 699.67 T +(a) 361.09 699.67 T +(string,) 369.05 699.67 T +(the) 399.93 699.67 T +(string) 416.45 699.67 T +(is) 444.58 699.67 T +(parsed) 455 699.67 T +(as) 486.78 699.67 T +(a) 499.02 699.67 T +(suite) 506.98 699.67 T +(of) 530.84 699.67 T +(Python) 99 686.67 T +(statements) 133.05 686.67 T +(which) 182.37 686.67 T +(is) 212.13 686.67 T +(then) 222.35 686.67 T +(executed) 244.17 686.67 T +(\050unless) 286.14 686.67 T +(a) 320.18 686.67 T +(syntax) 327.94 686.67 T +(error) 359.54 686.67 T +(occurs\051.) 383.79 686.67 T +(If) 421.79 686.67 T +(it) 431.99 686.67 T +(is) 440.99 686.67 T +(an) 451.2 686.67 T +(open) 464.46 686.67 T +(file,) 488.73 686.67 T +(the) 509.02 686.67 T +(file) 525.34 686.67 T (is parsed until EOF and executed. If it is a code object, it is simply executed.) 99 673.67 T --0.36 (In all cases, if the optional parts are omitted, the code is executed in the current scope. If only the first) 99 648.67 P --0.03 (expression after) 99 635.67 P -2 F --0.07 (in) 171.64 635.67 P -1 F --0.03 ( is specified, it should be a dictionary, which will be used for both the global and) 184.84 635.67 P -0.23 (the local variables. If two expressions are given, both must be dictionaries and they are used for the) 99 622.67 P +(In) 99 648.67 T +(all) 110.56 648.67 T +(cases,) 123.95 648.67 T +(if) 152.3 648.67 T +(the) 161.41 648.67 T +(optional) 177.24 648.67 T +(parts) 215.7 648.67 T +(are) 239.47 648.67 T +(omitted,) 255.29 648.67 T +(the) 294.05 648.67 T +(code) 309.89 648.67 T +(is) 333.05 648.67 T +(executed) 342.77 648.67 T +(in) 384.26 648.67 T +(the) 395.21 648.67 T +(current) 411.04 648.67 T +(scope.) 444.59 648.67 T +(If) 474.78 648.67 T +(only) 484.49 648.67 T +(the) 506.45 648.67 T +(first) 522.28 648.67 T +(expression) 99 635.67 T +(after) 148.77 635.67 T +2 F +(in) 171.64 635.67 T +1 F +(is) 187.56 635.67 T +(specified,) 197.62 635.67 T +(it) 242.8 635.67 T +(should) 251.64 635.67 T +(be) 283.69 635.67 T +(a) 296.8 635.67 T +(dictionary,) 304.4 635.67 T +(which) 354.48 635.67 T +(will) 384.08 635.67 T +(be) 403.92 635.67 T +(used) 417.02 635.67 T +(for) 439.91 635.67 T +(both) 455.45 635.67 T +(the) 477.73 635.67 T +(global) 493.89 635.67 T +(and) 524.12 635.67 T +(the) 99 622.67 T +(local) 115.42 622.67 T +(variables.) 139.78 622.67 T +(If) 185.21 622.67 T +(two) 195.51 622.67 T +(expressions) 214.99 622.67 T +(are) 269.29 622.67 T +(given,) 285.7 622.67 T +(both) 315.87 622.67 T +(must) 338.4 622.67 T +(be) 362.77 622.67 T +(dictionaries) 376.13 622.67 T +(and) 430.43 622.67 T +(they) 449.29 622.67 T +(are) 471.21 622.67 T +(used) 487.62 622.67 T +(for) 510.76 622.67 T +(the) 526.56 622.67 T (global and local variables, respectively.) 99 609.67 T 4 F -0.41 0.24 (Programmer\325s hints:) 99 584.67 B -1 F -0.41 0.24 ( dynamic evaluation of expressions is supported by the built-in function) 202.7 584.67 B -2 F -0.99 0.07 (eval\050\051) 99 571.67 B -1 F -0.41 0.07 (. The built-in functions) 139.04 571.67 B -2 F -0.99 0.07 (globals\050\051) 246.7 571.67 B -1 F -0.41 0.07 ( and) 306.75 571.67 B -2 F -0.99 0.07 (locals\050\051) 329.32 571.67 B -1 F -0.41 0.07 ( return the current global and local) 382.7 571.67 B -0.23 (dictionary, respectively, which may be useful to pass around for use by) 99 558.67 P -2 F -0.55 (exec) 417.66 558.67 P -1 F -0.23 (. When assigning to a) 444.06 558.67 P -0.41 0.09 (global variable, a) 99 545.67 B -2 F -0.99 0.09 (global) 180.73 545.67 B -1 F -0.41 0.09 ( statement for that variable should be present in the source code string) 220.85 545.67 B +(P) 99 584.67 T +(r) 105.96 584.67 T +(o) 111.09 584.67 T +(g) 116.83 584.67 T +(r) 122.58 584.67 T +(a) 127.7 584.67 T +(m) 133.45 584.67 T +(m) 142.85 584.67 T +(e) 152.26 584.67 T +(r) 157.39 584.67 T +(\325) 162.51 584.67 T +(s) 166.42 584.67 T +(h) 174.35 584.67 T +(i) 180.71 584.67 T +(n) 184.01 584.67 T +(t) 190.37 584.67 T +(s) 194.27 584.67 T +(:) 198.79 584.67 T +1 F +(d) 206.1 584.67 T +(y) 211.85 584.67 T +(n) 217.59 584.67 T +(a) 223.33 584.67 T +(m) 228.46 584.67 T +(i) 237.26 584.67 T +(c) 240.56 584.67 T +(e) 249.1 584.67 T +(v) 254.22 584.67 T +(a) 259.97 584.67 T +(l) 265.09 584.67 T +(u) 268.39 584.67 T +(a) 274.14 584.67 T +(t) 279.26 584.67 T +(i) 282.57 584.67 T +(o) 285.87 584.67 T +(n) 291.61 584.67 T +(o) 300.76 584.67 T +(f) 306.5 584.67 T +(e) 313.81 584.67 T +(x) 318.94 584.67 T +(p) 324.68 584.67 T +(r) 330.42 584.67 T +(e) 334.33 584.67 T +(s) 339.46 584.67 T +(s) 343.98 584.67 T +(i) 348.5 584.67 T +(o) 351.8 584.67 T +(n) 357.55 584.67 T +(s) 363.29 584.67 T +(i) 371.22 584.67 T +(s) 374.52 584.67 T +(s) 382.45 584.67 T +(u) 386.97 584.67 T +(p) 392.71 584.67 T +(p) 398.45 584.67 T +(o) 404.2 584.67 T +(r) 409.94 584.67 T +(t) 413.85 584.67 T +(e) 417.15 584.67 T +(d) 422.27 584.67 T +(b) 431.42 584.67 T +(y) 437.17 584.67 T +(t) 446.31 584.67 T +(h) 449.61 584.67 T +(e) 455.36 584.67 T +(b) 463.89 584.67 T +(u) 469.63 584.67 T +(i) 475.38 584.67 T +(l) 478.68 584.67 T +(t) 481.98 584.67 T +(-) 485.28 584.67 T +(i) 489.19 584.67 T +(n) 492.49 584.67 T +(f) 501.64 584.67 T +(u) 505.54 584.67 T +(n) 511.28 584.67 T +(c) 517.03 584.67 T +(t) 522.15 584.67 T +(i) 525.46 584.67 T +(o) 528.76 584.67 T +(n) 534.5 584.67 T +2 F +(e) 99 571.67 T +(v) 105.67 571.67 T +(a) 112.35 571.67 T +(l) 119.02 571.67 T +(\050) 125.69 571.67 T +(\051) 132.36 571.67 T +1 F +(.) 139.04 571.67 T +(T) 145.09 571.67 T +(h) 151.89 571.67 T +(e) 157.46 571.67 T +(b) 165.65 571.67 T +(u) 171.23 571.67 T +(i) 176.8 571.67 T +(l) 179.93 571.67 T +(t) 183.06 571.67 T +(-) 186.19 571.67 T +(i) 189.93 571.67 T +(n) 193.06 571.67 T +(f) 201.86 571.67 T +(u) 205.6 571.67 T +(n) 211.17 571.67 T +(c) 216.74 571.67 T +(t) 221.7 571.67 T +(i) 224.83 571.67 T +(o) 227.96 571.67 T +(n) 233.54 571.67 T +(s) 239.11 571.67 T +2 F +(g) 246.7 571.67 T +(l) 253.37 571.67 T +(o) 260.04 571.67 T +(b) 266.71 571.67 T +(a) 273.39 571.67 T +(l) 280.06 571.67 T +(s) 286.73 571.67 T +(\050) 293.4 571.67 T +(\051) 300.08 571.67 T +1 F +(a) 309.98 571.67 T +(n) 314.94 571.67 T +(d) 320.52 571.67 T +2 F +(l) 329.32 571.67 T +(o) 335.99 571.67 T +(c) 342.67 571.67 T +(a) 349.34 571.67 T +(l) 356.01 571.67 T +(s) 362.69 571.67 T +(\050) 369.36 571.67 T +(\051) 376.03 571.67 T +1 F +(r) 385.94 571.67 T +(e) 389.67 571.67 T +(t) 394.63 571.67 T +(u) 397.76 571.67 T +(r) 403.33 571.67 T +(n) 407.07 571.67 T +(t) 415.88 571.67 T +(h) 419.01 571.67 T +(e) 424.58 571.67 T +(c) 432.77 571.67 T +(u) 437.73 571.67 T +(r) 443.3 571.67 T +(r) 447.04 571.67 T +(e) 450.77 571.67 T +(n) 455.73 571.67 T +(t) 461.3 571.67 T +(g) 467.67 571.67 T +(l) 473.24 571.67 T +(o) 476.37 571.67 T +(b) 481.95 571.67 T +(a) 487.52 571.67 T +(l) 492.48 571.67 T +(a) 498.84 571.67 T +(n) 503.8 571.67 T +(d) 509.37 571.67 T +(l) 518.18 571.67 T +(o) 521.31 571.67 T +(c) 526.88 571.67 T +(a) 531.84 571.67 T +(l) 536.8 571.67 T +(dictionary,) 99 558.67 T +(respectively,) 149.34 558.67 T +(which) 208.22 558.67 T +(may) 238.08 558.67 T +(be) 260.01 558.67 T +(useful) 273.37 558.67 T +(to) 303.24 558.67 T +(pass) 314.78 558.67 T +(around) 336.7 558.67 T +(for) 370.23 558.67 T +(use) 386.03 558.67 T +(by) 403.68 558.67 T +2 F +(exec) 417.66 558.67 T +1 F +(.) 444.06 558.67 T +(When) 449.79 558.67 T +(assigning) 479.04 558.67 T +(to) 523.58 558.67 T +(a) 535.12 558.67 T +(g) 99 545.67 T +(l) 104.59 545.67 T +(o) 107.73 545.67 T +(b) 113.32 545.67 T +(a) 118.91 545.67 T +(l) 123.88 545.67 T +(v) 130.28 545.67 T +(a) 135.87 545.67 T +(r) 140.84 545.67 T +(i) 144.59 545.67 T +(a) 147.74 545.67 T +(b) 152.71 545.67 T +(l) 158.3 545.67 T +(e) 161.44 545.67 T +(,) 166.41 545.67 T +(a) 172.5 545.67 T +2 F +(g) 180.73 545.67 T +(l) 187.41 545.67 T +(o) 194.1 545.67 T +(b) 200.79 545.67 T +(a) 207.48 545.67 T +(l) 214.16 545.67 T +1 F +(s) 224.1 545.67 T +(t) 228.47 545.67 T +(a) 231.62 545.67 T +(t) 236.59 545.67 T +(e) 239.74 545.67 T +(m) 244.71 545.67 T +(e) 253.35 545.67 T +(n) 258.33 545.67 T +(t) 263.91 545.67 T +(f) 270.31 545.67 T +(o) 274.06 545.67 T +(r) 279.65 545.67 T +(t) 286.65 545.67 T +(h) 289.8 545.67 T +(a) 295.38 545.67 T +(t) 300.36 545.67 T +(v) 306.75 545.67 T +(a) 312.34 545.67 T +(r) 317.31 545.67 T +(i) 321.06 545.67 T +(a) 324.21 545.67 T +(b) 329.18 545.67 T +(l) 334.77 545.67 T +(e) 337.92 545.67 T +(s) 346.14 545.67 T 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In general, compound statements span multiple lines, although) 99 659.67 P +(Compound) 99 672.67 T +(statements) 151.36 672.67 T +(contain) 201.27 672.67 T +(\050groups) 237.12 672.67 T +(of\051) 274.19 672.67 T +(other) 290.48 672.67 T +(statements;) 316.56 672.67 T +(they) 369.52 672.67 T +(affect) 391.93 672.67 T +(or) 420.43 672.67 T +(control) 433.06 672.67 T +(the) 467.69 672.67 T +(execution) 484.6 672.67 T +(of) 530.84 672.67 T +(those) 99 659.67 T +(other) 125.29 659.67 T +(statements) 150.96 659.67 T +(in) 200.46 659.67 T +(some) 212.09 659.67 T +(way.) 238.37 659.67 T +(In) 262.51 659.67 T +(general,) 274.74 659.67 T +(compound) 312.93 659.67 T +(statements) 362.43 659.67 T +(span) 411.94 659.67 T +(multiple) 435.17 659.67 T +(lines,) 474.91 659.67 T +(although) 501.5 659.67 T (in simple incarnations a whole compound statement may be contained in one line.) 99 646.67 T --0.48 (The) 99 627.67 P -2 F --1.15 (if) 118.38 627.67 P -1 F --0.48 (,) 131.58 627.67 P -2 F --1.15 (while) 136.6 627.67 P -1 F --0.48 ( and) 169.6 627.67 P -2 F --1.15 (for) 190.02 627.67 P -1 F --0.48 ( statements implement traditional control flow constructs.) 209.82 627.67 P -2 F --1.15 (try) 463.12 627.67 P -1 F --0.48 ( specifies ex-) 482.92 627.67 P --0.62 (ception handlers and/or cleanup code for a group of statements. Function and class definitions are also) 99 614.67 P +(The) 99 627.67 T +2 F +(if) 118.38 627.67 T +1 F +(,) 131.58 627.67 T +2 F +(while) 136.6 627.67 T +1 F +(and) 171.87 627.67 T +2 F +(for) 190.02 627.67 T +1 F +(statements) 212.09 627.67 T +(implement) 260.81 627.67 T +(traditional) 310.14 627.67 T +(control) 357.63 627.67 T +(flow) 391.06 627.67 T +(constructs.) 413.5 627.67 T +2 F +(try) 463.12 627.67 T +1 F +(specifies) 485.19 627.67 T +(ex-) 525.95 627.67 T +(ception) 99 614.67 T +(handlers) 133.51 614.67 T +(and/or) 172.91 614.67 T +(cleanup) 203.15 614.67 T +(code) 239.49 614.67 T +(for) 262.38 614.67 T +(a) 277.34 614.67 T +(group) 284.35 614.67 T +(of) 312.14 614.67 T +(statements.) 323.44 614.67 T +(Function) 374.76 614.67 T +(and) 416 614.67 T +(class) 434.02 614.67 T +(definitions) 457.53 614.67 T +(are) 506.72 614.67 T +(also) 522.28 614.67 T (syntactically compound statements.) 99 601.67 T -0.45 (Compound statements consist of one or more \324clauses\325. A clause consists of a header and a \324suite\325.) 99 582.67 P -0.85 (The clause headers of a particular compound statement are all at the same indentation level. Each) 99 569.67 P -0.28 (clause header begins with a uniquely identifying keyword and ends with a colon. A suite is a group) 99 556.67 P -0.52 (of statements controlled by a clause. A suite can be one or more semicolon-separated simple state-) 99 543.67 P --0.15 (ments on the same line as the header, following the header\325s colon, or it can be one or more indented) 99 530.67 P --0.6 (statements on subsequent lines. Only the latter form of suite can contain nested compound statements;) 99 517.67 P -0.67 (the following is illegal, mostly because it wouldn\325t be clear to which) 99 504.67 P -2 F -1.6 (if) 411.59 504.67 P -1 F -0.67 ( clause a following) 424.79 504.67 P -2 F -1.6 (else) 513.6 504.67 P +(Compound) 99 582.67 T +(statements) 151.1 582.67 T +(consist) 200.74 582.67 T +(of) 234.49 582.67 T +(one) 246.86 582.67 T +(or) 265.94 582.67 T +(more) 278.3 582.67 T +(\324clauses\325.) 304.11 582.67 T +(A) 349.15 582.67 T +(clause) 360.29 582.67 T +(consists) 390.98 582.67 T +(of) 429.02 582.67 T +(a) 441.38 582.67 T +(header) 449.46 582.67 T +(and) 481.98 582.67 T +(a) 501.06 582.67 T +(\324suite\325.) 509.14 582.67 T +(The) 99 569.67 T +(clause) 119.7 569.67 T +(headers) 150.79 569.67 T +(of) 187.98 569.67 T +(a) 200.74 569.67 T +(particular) 209.22 569.67 T +(compound) 254.97 569.67 T +(statement) 305.01 569.67 T +(are) 350.77 569.67 T +(all) 367.8 569.67 T +(at) 382.4 569.67 T +(the) 393.94 569.67 T +(same) 410.98 569.67 T +(indentation) 437.18 569.67 T +(level.) 490.28 569.67 T +(Each) 518.01 569.67 T +(clause) 99 556.67 T +(header) 129.52 556.67 T +(begins) 161.86 556.67 T +(with) 193.61 556.67 T +(a) 216.2 556.67 T +(uniquely) 224.11 556.67 T +(identifying) 265.64 556.67 T +(keyword) 316.94 556.67 T +(and) 358.46 556.67 T +(ends) 377.37 556.67 T +(with) 400.56 556.67 T +(a) 423.15 556.67 T +(colon.) 431.06 556.67 T +(A) 461.28 556.67 T +(suite) 472.25 556.67 T +(is) 496.06 556.67 T +(a) 506.42 556.67 T +(group) 514.34 556.67 T +(of) 99 543.67 T +(statements) 111.43 543.67 T +(controlled) 161.15 543.67 T +(by) 209.02 543.67 T +(a) 223.29 543.67 T +(clause.) 231.45 543.67 T +(A) 264.96 543.67 T +(suite) 276.17 543.67 T +(can) 300.22 543.67 T +(be) 318.76 543.67 T +(one) 332.41 543.67 T +(or) 351.57 543.67 T +(more) 364 543.67 T +(semicolon-separated) 389.88 543.67 T +(simple) 483.57 543.67 T +(state-) 516.17 543.67 T +(ments) 99 530.67 T +(on) 127.88 530.67 T +(the) 141.48 530.67 T +(same) 157.52 530.67 T +(line) 182.72 530.67 T +(as) 201.82 530.67 T +(the) 213.58 530.67 T +(header,) 229.62 530.67 T +(following) 264.28 530.67 T +(the) 309.66 530.67 T +(header\325s) 325.7 530.67 T +(colon,) 365.55 530.67 T +(or) 395.35 530.67 T +(it) 407.11 530.67 T +(can) 415.82 530.67 T +(be) 433.69 530.67 T +(one) 446.67 530.67 T +(or) 465.15 530.67 T +(more) 476.91 530.67 T +(indented) 502.12 530.67 T +(statements) 99 517.67 T +(on) 147.59 517.67 T +(subsequent) 160.74 517.67 T +(lines.) 211.77 517.67 T +(Only) 237.45 517.67 T +(the) 261.6 517.67 T +(latter) 277.18 517.67 T +(form) 301.94 517.67 T +(of) 325.47 517.67 T +(suite) 336.78 517.67 T +(can) 359.71 517.67 T +(contain) 377.12 517.67 T +(nested) 411.66 517.67 T +(compound) 441.91 517.67 T +(statements;) 490.5 517.67 T +(the) 99 504.67 T +(following) 115.86 504.67 T +(is) 162.05 504.67 T +(illegal,) 172.8 504.67 T +(mostly) 206.47 504.67 T +(because) 239.84 504.67 T +(it) 278.06 504.67 T +(wouldn\325t) 287.6 504.67 T +(be) 330.73 504.67 T +(clear) 344.53 504.67 T +(to) 369.32 504.67 T +(which) 381.29 504.67 T +2 F +(if) 411.59 504.67 T +1 F +(clause) 428.2 504.67 T +(a) 459.11 504.67 T +(following) 467.41 504.67 T +2 F +(else) 513.6 504.67 T 1 F (clause would belong:) 99 491.67 T 2 10 Q (if test1: if test2: print x) 99 473.33 T 1 11 Q -0.14 (Also note that the semicolon binds tighter than the colon in this context, so that in the following ex-) 99 448.67 P +(Also) 99 448.67 T +(note) 122.67 448.67 T +(that) 144.5 448.67 T +(the) 163.89 448.67 T +(semicolon) 180.23 448.67 T +(binds) 228.34 448.67 T +(tighter) 255.07 448.67 T +(than) 286.68 448.67 T +(the) 308.51 448.67 T +(colon) 324.85 448.67 T +(in) 352.18 448.67 T +(this) 363.63 448.67 T +(context,) 382.41 448.67 T +(so) 420.44 448.67 T +(that) 433.11 448.67 T +(in) 452.5 448.67 T +(the) 463.95 448.67 T +(following) 480.28 448.67 T +(ex-) 525.95 448.67 T (ample, either all or none of the) 99 435.67 T 2 F (print) 237.08 435.67 T @@ -11424,27 +26986,82 @@ FrameNoSep (statement: stmt_list NEWLINE | compound_stmt) 99 338.33 T (stmt_list: simple_stmt \050";" simple_stmt\051* [";"]) 99 326.33 T 1 11 Q -0.11 (Note that statements always end in a) 99 301.67 P -2 F -0.26 (NEWLINE) 263.19 301.67 P -1 F -0.11 ( possibly followed by a) 309.39 301.67 P -2 F -0.26 (DEDENT) 415.34 301.67 P -1 F -0.11 (. Also note that op-) 454.94 301.67 P -0.11 (tional continuation clauses always begin with a keyword that cannot start a statement, thus there are) 99 288.67 P --0.05 (no ambiguities \050the \324dangling) 99 275.67 P -2 F --0.12 (else) 231.41 275.67 P -1 F --0.05 (\325 problem is solved in Python by requiring nested) 257.81 275.67 P -2 F --0.12 (if) 477.66 275.67 P -1 F --0.05 ( statements) 490.86 275.67 P +(Note) 99 301.67 T +(that) 123.24 301.67 T +(statements) 142.6 301.67 T +(always) 191.9 301.67 T +(end) 225.3 301.67 T +(in) 244.04 301.67 T +(a) 255.45 301.67 T +2 F +(NEWLINE) 263.19 301.67 T +1 F +(possibly) 312.25 301.67 T +(followed) 351.78 301.67 T +(by) 393.74 301.67 T +(a) 407.6 301.67 T +2 F +(DEDENT) 415.34 301.67 T +1 F +(.) 454.94 301.67 T +(Also) 460.55 301.67 T +(note) 484.18 301.67 T +(that) 505.98 301.67 T +(op-) 525.34 301.67 T +(tional) 99 288.67 T +(continuation) 126.92 288.67 T +(clauses) 184.78 288.67 T +(always) 219.41 288.67 T +(begin) 252.82 288.67 T +(with) 280.12 288.67 T +(a) 302.55 288.67 T +(keyword) 310.29 288.67 T +(that) 351.64 288.67 T +(cannot) 371.01 288.67 T +(start) 403.19 288.67 T +(a) 425 288.67 T +(statement,) 432.74 288.67 T +(thus) 480.52 288.67 T +(there) 501.72 288.67 T +(are) 526.57 288.67 T +(no) 99 275.67 T +(ambiguities) 112.7 275.67 T +(\050the) 166.74 275.67 T +(\324dangling) 186.54 275.67 T +2 F +(else) 231.41 275.67 T +1 F +(\325) 257.81 275.67 T +(problem) 264.17 275.67 T +(is) 303.53 275.67 T +(solved) 313.57 275.67 T +(in) 344.99 275.67 T +(Python) 356.25 275.67 T +(by) 390.12 275.67 T +(requiring) 403.83 275.67 T +(nested) 446.85 275.67 T +2 F +(if) 477.66 275.67 T +1 F +(statements) 493.56 275.67 T (to be indented\051.) 99 262.67 T -0.37 (The formatting of the grammar rules in the following sections places each clause on a separate line) 99 237.67 P +(The) 99 237.67 T +(formatting) 119.23 237.67 T +(of) 168.79 237.67 T +(the) 181.08 237.67 T +(grammar) 197.65 237.67 T +(rules) 240.48 237.67 T +(in) 264.99 237.67 T +(the) 276.67 237.67 T +(following) 293.24 237.67 T +(sections) 339.14 237.67 T +(places) 377.71 237.67 T +(each) 408.32 237.67 T +(clause) 431.6 237.67 T +(on) 462.21 237.67 T +(a) 476.33 237.67 T +(separate) 484.34 237.67 T +(line) 523.5 237.67 T (for clarity.) 99 224.67 T 0 14 Q (7.1) 99 197.67 T @@ -11464,275 +27081,833 @@ FrameNoSep ( \050"elif" expression ":" suite\051*) 99 142.33 T ( ["else" ":" suite]) 99 130.33 T 1 11 Q -0.26 (It selects exactly one of the suites by evaluating the expressions one by one until one is found to be) 99 105.67 P --0.1 (true \050see section \322Boolean operations\323 on page) 99 92.67 P --0.1 (35 for the definition of true and false\051; then that suite) 307.63 92.67 P -0.41 0.05 (is executed \050and no other part of the) 99 79.67 B -2 F -0.99 0.05 (if) 265.64 79.67 B -1 F -0.41 0.05 ( statement is executed or evaluated\051. If all expressions are) 278.95 79.67 B +(It) 99 105.67 T +(selects) 108.74 105.67 T +(exactly) 141.08 105.67 T +(one) 175.86 105.67 T +(of) 194.76 105.67 T +(the) 206.93 105.67 T +(suites) 223.39 105.67 T +(by) 251.46 105.67 T +(evaluating) 265.48 105.67 T +(the) 314.32 105.67 T +(expressions) 330.77 105.67 T +(one) 385.12 105.67 T +(by) 404.01 105.67 T +(one) 418.03 105.67 T +(until) 436.93 105.67 T +(one) 460.12 105.67 T +(is) 479.01 105.67 T +(found) 489.37 105.67 T +(to) 518.04 105.67 T +(be) 529.62 105.67 T +(true) 99 92.67 T +(\050see) 118.75 92.67 T +(section) 139.11 92.67 T +(\322Boolean) 172.92 92.67 T +(operations\323) 217.11 92.67 T +(on) 270.46 92.67 T +(page) 284.11 92.67 T +(35) 307.63 92.67 T +(for) 321.28 92.67 T +(the) 336.75 92.67 T +(definition) 352.84 92.67 T +(of) 398.26 92.67 T +(true) 410.07 92.67 T +(and) 429.82 92.67 T +(false\051;) 448.35 92.67 T +(then) 478.49 92.67 T +(that) 500.08 92.67 T +(suite) 519.22 92.67 T +(i) 99 79.67 T +(s) 102.11 79.67 T +(e) 109.66 79.67 T +(x) 114.6 79.67 T +(e) 120.15 79.67 T +(c) 125.09 79.67 T +(u) 130.03 79.67 T +(t) 135.58 79.67 T +(e) 138.7 79.67 T +(d) 143.63 79.67 T +(\050) 152.4 79.67 T +(a) 156.12 79.67 T +(n) 161.06 79.67 T +(d) 166.61 79.67 T +(n) 175.38 79.67 T +(o) 180.94 79.67 T +(o) 189.71 79.67 T +(t) 195.26 79.67 T +(h) 198.37 79.67 T +(e) 203.93 79.67 T +(r) 208.86 79.67 T +(p) 215.8 79.67 T +(a) 221.35 79.67 T +(r) 226.29 79.67 T +(t) 230.01 79.67 T +(o) 236.34 79.67 T +(f) 241.89 79.67 T +(t) 248.82 79.67 T +(h) 251.93 79.67 T +(e) 257.49 79.67 T +2 F +(i) 265.64 79.67 T +(f) 272.3 79.67 T +1 F +(s) 282.17 79.67 T +(t) 286.5 79.67 T +(a) 289.61 79.67 T +(t) 294.55 79.67 T +(e) 297.66 79.67 T +(m) 302.6 79.67 T +(e) 311.21 79.67 T +(n) 316.15 79.67 T +(t) 321.7 79.67 T +(i) 328.03 79.67 T +(s) 331.14 79.67 T +(e) 338.69 79.67 T +(x) 343.63 79.67 T +(e) 349.18 79.67 T +(c) 354.12 79.67 T +(u) 359.06 79.67 T +(t) 364.61 79.67 T +(e) 367.73 79.67 T +(d) 372.66 79.67 T +(o) 381.43 79.67 T +(r) 386.99 79.67 T +(e) 393.92 79.67 T +(v) 398.86 79.67 T +(a) 404.41 79.67 T +(l) 409.35 79.67 T +(u) 412.46 79.67 T +(a) 418.02 79.67 T +(t) 422.96 79.67 T +(e) 426.07 79.67 T +(d) 431.01 79.67 T +(\051) 436.56 79.67 T +(.) 440.28 79.67 T +(I) 446.3 79.67 T +(f) 450.01 79.67 T +(a) 456.95 79.67 T +(l) 461.89 79.67 T +(l) 465 79.67 T +(e) 471.33 79.67 T +(x) 476.26 79.67 T +(p) 481.82 79.67 T +(r) 487.37 79.67 T +(e) 491.09 79.67 T +(s) 496.03 79.67 T +(s) 500.36 79.67 T +(i) 504.69 79.67 T +(o) 507.8 79.67 T +(n) 513.36 79.67 T +(s) 518.91 79.67 T +(a) 526.46 79.67 T +(r) 531.4 79.67 T +(e) 535.12 79.67 T (false, the suite of the) 99 66.67 T 2 F (else) 193.09 66.67 T 1 F ( clause, if present, is executed.) 219.49 66.67 T -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "47" 53 %%Page: "48" 54 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (48) 76.5 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 14 Q (7.2) 72 710.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (The) 108 710.67 T 7 F (while) 136.78 710.67 T 0 F ( statement) 178.78 710.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q (The) 72 685.67 T 2 F (while) 91.86 685.67 T 1 F ( statement is used for repeated execution as long as an expression is true:) 124.86 685.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 10 Q (while_stmt: "while" expression ":" suite) 72 667.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( ["else" ":" suite]) 72 655.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q --0.37 (This repeatedly tests the expression and, if it is true, executes the first suite; if the expression is false \050which) 72 630.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.53 (may be the first time it is tested\051 the suite of the) 72 617.67 P -2 F --1.28 (else) 278.27 617.67 P -1 F --0.53 ( clause, if present, is executed and the loop terminates.) 304.67 617.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.41 0.07 (A) 72 592.67 B -2 F -0.99 0.07 (break) 83.25 592.67 B -1 F -0.41 0.07 ( statement executed in the first suite terminates the loop without executing the) 116.62 592.67 B -2 F -0.99 0.07 (else) 474.06 592.67 B -1 F -0.41 0.07 ( clause\325s) 500.75 592.67 B -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.02 (suite. A) 72 579.67 P -2 F --0.04 (continue) 108.94 579.67 P -1 F --0.02 ( statement executed in the first suite skips the rest of the suite and goes back to testing) 161.74 579.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(This) 72 630.67 T +(repeatedly) 93.94 630.67 T +(tests) 142.13 630.67 T +(the) 164.07 630.67 T +(expression) 179.88 630.67 T +(and,) 229.31 630.67 T +(if) 250.32 630.67 T +(it) 259.42 630.67 T +(is) 267.92 630.67 T +(true,) 277.63 630.67 T +(executes) 299.86 630.67 T +(the) 340.11 630.67 T +(first) 355.93 630.67 T +(suite;) 376.03 630.67 T +(if) 402.25 630.67 T +(the) 411.35 630.67 T +(expression) 427.17 630.67 T +(is) 476.59 630.67 T +(false) 486.31 630.67 T +(\050which) 509.45 630.67 T +(may) 72 617.67 T +(be) 93.16 617.67 T +(the) 105.76 617.67 T +(first) 121.42 617.67 T +(time) 141.36 617.67 T +(it) 163.14 617.67 T +(is) 171.47 617.67 T +(tested\051) 181.03 617.67 T +(the) 212.57 617.67 T +(suite) 228.23 617.67 T +(of) 251.23 617.67 T +(the) 262.61 617.67 T +2 F +(else) 278.27 617.67 T +1 F +(clause,) 306.89 617.67 T +(if) 339.34 617.67 T +(present,) 348.28 617.67 T +(is) 385.02 617.67 T +(executed) 394.57 617.67 T +(and) 435.89 617.67 T +(the) 453.99 617.67 T +(loop) 469.65 617.67 T +(terminates.) 491.42 617.67 T +(A) 72 592.67 T +2 F +(b) 83.25 592.67 T +(r) 89.92 592.67 T +(e) 96.6 592.67 T +(a) 103.27 592.67 T +(k) 109.94 592.67 T +1 F +(s) 119.85 592.67 T +(t) 124.2 592.67 T +(a) 127.33 592.67 T +(t) 132.29 592.67 T +(e) 135.42 592.67 T +(m) 140.38 592.67 T +(e) 149.01 592.67 T +(n) 153.97 592.67 T +(t) 159.54 592.67 T +(e) 165.91 592.67 T +(x) 170.87 592.67 T +(e) 176.44 592.67 T +(c) 181.4 592.67 T +(u) 186.35 592.67 T +(t) 191.93 592.67 T +(e) 195.06 592.67 T +(d) 200.01 592.67 T +(i) 208.82 592.67 T +(n) 211.95 592.67 T +(t) 220.76 592.67 T +(h) 223.89 592.67 T +(e) 229.47 592.67 T +(f) 237.66 592.67 T +(i) 241.39 592.67 T +(r) 244.52 592.67 T +(s) 248.26 592.67 T +(t) 252.61 592.67 T +(s) 258.98 592.67 T +(u) 263.33 592.67 T +(i) 268.9 592.67 T +(t) 272.04 592.67 T +(e) 275.17 592.67 T +(t) 283.36 592.67 T +(e) 286.49 592.67 T +(r) 291.45 592.67 T +(m) 295.18 592.67 T +(i) 303.82 592.67 T +(n) 306.95 592.67 T +(a) 312.52 592.67 T +(t) 317.48 592.67 T +(e) 320.61 592.67 T +(s) 325.57 592.67 T +(t) 333.15 592.67 T +(h) 336.28 592.67 T +(e) 341.86 592.67 T +(l) 350.05 592.67 T +(o) 353.18 592.67 T +(o) 358.75 592.67 T +(p) 364.33 592.67 T +(w) 373.14 592.67 T +(i) 381.15 592.67 T +(t) 384.28 592.67 T +(h) 387.41 592.67 T +(o) 392.98 592.67 T +(u) 398.56 592.67 T +(t) 404.13 592.67 T +(e) 410.5 592.67 T +(x) 415.45 592.67 T +(e) 421.03 592.67 T +(c) 425.98 592.67 T +(u) 430.94 592.67 T +(t) 436.52 592.67 T +(i) 439.65 592.67 T +(n) 442.78 592.67 T +(g) 448.35 592.67 T +(t) 457.16 592.67 T +(h) 460.29 592.67 T +(e) 465.86 592.67 T +2 F +(e) 474.06 592.67 T +(l) 480.73 592.67 T +(s) 487.4 592.67 T +(e) 494.08 592.67 T +1 F +(c) 503.98 592.67 T +(l) 508.94 592.67 T +(a) 512.07 592.67 T +(u) 517.03 592.67 T +(s) 522.6 592.67 T +(e) 526.95 592.67 T +(\325) 531.91 592.67 T +(s) 535.65 592.67 T +(suite.) 72 579.67 T +(A) 98.26 579.67 T +2 F +(continue) 108.94 579.67 T +1 F +(statement) 164.47 579.67 T +(executed) 209.37 579.67 T +(in) 251.2 579.67 T +(the) 262.49 579.67 T +(first) 278.66 579.67 T +(suite) 299.12 579.67 T +(skips) 322.63 579.67 T +(the) 347.98 579.67 T +(rest) 364.15 579.67 T +(of) 382.77 579.67 T +(the) 394.67 579.67 T +(suite) 410.84 579.67 T +(and) 434.36 579.67 T +(goes) 452.97 579.67 T +(back) 475.87 579.67 T +(to) 499.37 579.67 T +(testing) 510.66 579.67 T (the expression.) 72 566.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 14 Q (7.3) 72 539.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (The) 108 539.67 T 7 F (for) 136.78 539.67 T 0 F ( statement) 161.98 539.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q (The) 72 514.67 T 2 F (for) 91.86 514.67 T 1 F ( statement is used to iterate over the elements of a sequence \050string, tuple or list\051:) 111.65 514.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 10 Q (for_stmt: "for" target_list "in" expression_list ":" suite) 72 496.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( ["else" ":" suite]) 72 484.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -1 11 Q -0.29 (The expression list is evaluated once; it should yield a sequence. The suite is then executed once for each) 72 459.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.06 (item in the sequence, in the order of ascending indices. Each item in turn is assigned to the target list using) 72 446.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.16 (the standard rules for assignments, and then the suite is executed. When the items are exhausted \050which is) 72 433.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.42 (immediately when the sequence is empty\051, the suite in the) 72 420.67 P -2 F --1 (else) 325.39 420.67 P -1 F --0.42 ( clause, if present, is executed, and the loop) 351.79 420.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +1 11 Q +(The) 72 459.67 T +(expression) 92.14 459.67 T +(list) 142.23 459.67 T +(is) 158.72 459.67 T +(evaluated) 169.09 459.67 T +(once;) 214.28 459.67 T +(it) 241.15 459.67 T +(should) 250.3 459.67 T +(yield) 282.67 459.67 T +(a) 307.71 459.67 T +(sequence.) 315.63 459.67 T +(The) 361.73 459.67 T +(suite) 381.88 459.67 T +(is) 405.69 459.67 T +(then) 416.07 459.67 T +(executed) 438.05 459.67 T +(once) 480.18 459.67 T +(for) 503.98 459.67 T +(each) 519.85 459.67 T +(item) 72 446.67 T +(in) 94.24 446.67 T +(the) 105.49 446.67 T +(sequence,) 121.62 446.67 T +(in) 167.37 446.67 T +(the) 178.61 446.67 T +(order) 194.74 446.67 T +(of) 220.63 446.67 T +(ascending) 232.48 446.67 T +(indices.) 279.16 446.67 T +(Each) 315.76 446.67 T +(item) 340.43 446.67 T +(in) 362.67 446.67 T +(turn) 373.92 446.67 T +(is) 394.33 446.67 T +(assigned) 404.35 446.67 T +(to) 444.92 446.67 T +(the) 456.16 446.67 T +(target) 472.29 446.67 T +(list) 500.02 446.67 T +(using) 516.16 446.67 T +(the) 72 433.67 T +(standard) 88.35 433.67 T +(rules) 128.53 433.67 T +(for) 152.82 433.67 T +(assignments,) 168.56 433.67 T +(and) 228 433.67 T +(then) 246.79 433.67 T +(the) 268.65 433.67 T +(suite) 285 433.67 T +(is) 308.69 433.67 T +(executed.) 318.93 433.67 T +(When) 363.69 433.67 T +(the) 392.87 433.67 T +(items) 409.22 433.67 T +(are) 435.96 433.67 T +(exhausted) 452.31 433.67 T +(\050which) 499.21 433.67 T +(is) 532.66 433.67 T +(immediately) 72 420.67 T +(when) 129.33 420.67 T +(the) 155.49 420.67 T +(sequence) 171.27 420.67 T +(is) 213.92 420.67 T +(empty\051,) 223.59 420.67 T +(the) 259.83 420.67 T +(suite) 275.61 420.67 T +(in) 298.72 420.67 T +(the) 309.61 420.67 T +2 F +(else) 325.39 420.67 T +1 F +(clause,) 354.12 420.67 T +(if) 386.69 420.67 T +(present,) 395.75 420.67 T +(is) 432.6 420.67 T +(executed,) 442.27 420.67 T +(and) 486.45 420.67 T +(the) 504.67 420.67 T +(loop) 520.44 420.67 T (terminates.) 72 407.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.41 0.07 (A) 72 382.67 B -2 F -0.99 0.07 (break) 83.25 382.67 B -1 F -0.41 0.07 ( statement executed in the first suite terminates the loop without executing the) 116.62 382.67 B -2 F -0.99 0.07 (else) 474.06 382.67 B -1 F -0.41 0.07 ( clause\325s) 500.75 382.67 B -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.34 (suite. A) 72 369.67 P -2 F -0.81 (continue) 109.65 369.67 P -1 F -0.34 ( statement executed in the first suite skips the rest of the suite and continues with the) 162.45 369.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(A) 72 382.67 T +2 F +(b) 83.25 382.67 T +(r) 89.92 382.67 T +(e) 96.6 382.67 T +(a) 103.27 382.67 T +(k) 109.94 382.67 T +1 F +(s) 119.85 382.67 T +(t) 124.2 382.67 T +(a) 127.33 382.67 T +(t) 132.29 382.67 T +(e) 135.42 382.67 T +(m) 140.38 382.67 T +(e) 149.01 382.67 T +(n) 153.97 382.67 T +(t) 159.54 382.67 T +(e) 165.91 382.67 T +(x) 170.87 382.67 T +(e) 176.44 382.67 T +(c) 181.4 382.67 T +(u) 186.35 382.67 T +(t) 191.93 382.67 T +(e) 195.06 382.67 T +(d) 200.01 382.67 T +(i) 208.82 382.67 T +(n) 211.95 382.67 T +(t) 220.76 382.67 T +(h) 223.89 382.67 T +(e) 229.47 382.67 T +(f) 237.66 382.67 T +(i) 241.39 382.67 T +(r) 244.52 382.67 T +(s) 248.26 382.67 T +(t) 252.61 382.67 T +(s) 258.98 382.67 T +(u) 263.33 382.67 T +(i) 268.9 382.67 T +(t) 272.04 382.67 T +(e) 275.17 382.67 T +(t) 283.36 382.67 T +(e) 286.49 382.67 T +(r) 291.45 382.67 T +(m) 295.18 382.67 T +(i) 303.82 382.67 T +(n) 306.95 382.67 T +(a) 312.52 382.67 T +(t) 317.48 382.67 T +(e) 320.61 382.67 T +(s) 325.57 382.67 T +(t) 333.15 382.67 T +(h) 336.28 382.67 T +(e) 341.86 382.67 T +(l) 350.05 382.67 T +(o) 353.18 382.67 T +(o) 358.75 382.67 T +(p) 364.33 382.67 T +(w) 373.14 382.67 T +(i) 381.15 382.67 T +(t) 384.28 382.67 T +(h) 387.41 382.67 T +(o) 392.98 382.67 T +(u) 398.56 382.67 T +(t) 404.13 382.67 T +(e) 410.5 382.67 T +(x) 415.45 382.67 T +(e) 421.03 382.67 T +(c) 425.98 382.67 T +(u) 430.94 382.67 T +(t) 436.52 382.67 T +(i) 439.65 382.67 T +(n) 442.78 382.67 T +(g) 448.35 382.67 T +(t) 457.16 382.67 T +(h) 460.29 382.67 T +(e) 465.86 382.67 T +2 F +(e) 474.06 382.67 T +(l) 480.73 382.67 T +(s) 487.4 382.67 T +(e) 494.08 382.67 T +1 F +(c) 503.98 382.67 T +(l) 508.94 382.67 T +(a) 512.07 382.67 T +(u) 517.03 382.67 T +(s) 522.6 382.67 T +(e) 526.95 382.67 T +(\325) 531.91 382.67 T +(s) 535.65 382.67 T +(suite.) 72 369.67 T +(A) 98.62 369.67 T +2 F +(continue) 109.65 369.67 T +1 F +(statement) 165.54 369.67 T +(executed) 210.79 369.67 T +(in) 252.97 369.67 T +(the) 264.62 369.67 T +(first) 281.15 369.67 T +(suite) 301.96 369.67 T +(skips) 325.83 369.67 T +(the) 351.53 369.67 T +(rest) 368.06 369.67 T +(of) 387.04 369.67 T +(the) 399.29 369.67 T +(suite) 415.82 369.67 T +(and) 439.69 369.67 T +(continues) 458.66 369.67 T +(with) 503.91 369.67 T +(the) 526.56 369.67 T (next item, or with the) 72 356.67 T 2 F (else) 169.16 356.67 T 1 F (clause if there was no next item.) 202.16 356.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (The suite may assign to the variable\050s\051 in the target list; this does not affect the next item assigned to it.) 72 331.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.39 (The target list is not deleted when the loop is finished, but if the sequence is empty, it will not have been) 72 306.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.23 (assigned to at all by the loop. Hint: the built-in function) 72 293.67 P -2 F -0.54 (range\050\051) 321.99 293.67 P -1 F -0.23 ( returns a sequence of integers suitable) 368.19 293.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.07 (to emulate the effect of Pascal\325s) 72 280.67 P -2 F --0.17 (for i := a to b do) 215.15 280.67 P -1 F --0.07 (; e.g.) 332.93 280.67 P -2 F --0.17 (range\0503\051) 357.23 280.67 P -1 F --0.07 ( returns the list) 410.03 280.67 P -2 F --0.17 ([0, 1, 2]) 478.19 280.67 P -1 F --0.07 (.) 537.25 280.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(The) 72 306.67 T +(target) 92.24 306.67 T +(list) 120.43 306.67 T +(is) 137.02 306.67 T +(not) 147.5 306.67 T +(deleted) 164.7 306.67 T +(when) 199.6 306.67 T +(the) 226.57 306.67 T +(loop) 243.15 306.67 T +(is) 265.85 306.67 T +(finished,) 276.33 306.67 T +(but) 317.66 306.67 T +(if) 334.85 306.67 T +(the) 344.71 306.67 T +(sequence) 361.3 306.67 T +(is) 404.75 306.67 T +(empty,) 415.23 306.67 T +(it) 448.62 306.67 T +(will) 457.87 306.67 T +(not) 478.13 306.67 T +(have) 495.32 306.67 T +(been) 519.23 306.67 T +(assigned) 72 293.67 T +(to) 112.86 293.67 T +(at) 124.39 293.67 T +(all) 135.31 293.67 T +(by) 149.29 293.67 T +(the) 163.26 293.67 T +(loop.) 179.68 293.67 T +(Hint:) 204.97 293.67 T +(the) 230.56 293.67 T +(built-in) 246.98 293.67 T +(function) 282.35 293.67 T +2 F +(range\050\051) 321.99 293.67 T +1 F +(returns) 371.16 293.67 T +(a) 404.69 293.67 T +(sequence) 412.55 293.67 T +(of) 455.84 293.67 T +(integers) 467.98 293.67 T +(suitable) 505.78 293.67 T +(to) 72 280.67 T +(emulate) 83.24 280.67 T +(the) 120.74 280.67 T +(effect) 136.86 280.67 T +(of) 164.58 280.67 T +(Pascal\325s) 176.42 280.67 T +2 F +(for) 215.15 280.67 T +(i) 241.38 280.67 T +(:=) 254.41 280.67 T +(a) 274.04 280.67 T +(to) 287.07 280.67 T +(b) 306.7 280.67 T +(do) 319.73 280.67 T +1 F +(;) 332.93 280.67 T +(e.g.) 338.67 280.67 T +2 F +(range\0503\051) 357.23 280.67 T +1 F +(returns) 412.71 280.67 T +(the) 445.93 280.67 T +(list) 462.06 280.67 T +2 F +([0,) 478.19 280.67 T +(1,) 504.42 280.67 T +(2]) 524.05 280.67 T +1 F +(.) 537.25 280.67 T 4 F --0.28 (Warning:) 72 255.67 P -1 F --0.28 ( There is a subtlety when the sequence is being modified by the loop \050this can only occur for mu-) 117.84 255.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.2 (table sequences, i.e. lists\051. An internal counter is used to keep track of which item is used next, and this is) 72 242.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.41 0.05 (incremented on each iteration. When this counter has reached the length of the sequence the loop termi-) 72 229.67 B -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.08 (nates. This means that if the suite deletes the current \050or a previous\051 item from the sequence, the next item) 72 216.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.08 (will be skipped \050since it gets the index of the current item which has already been treated\051. Likewise, if the) 72 203.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.06 (suite inserts an item in the sequence before the current item, the current item will be treated again the next) 72 190.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.17 (time through the loop. This can lead to nasty bugs that can be avoided by making a temporary copy using a) 72 177.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(Warning:) 72 255.67 T +1 F +(There) 120.31 255.67 T +(is) 148.44 255.67 T +(a) 158.25 255.67 T +(subtlety) 165.61 255.67 T +(when) 202.92 255.67 T +(the) 229.22 255.67 T +(sequence) 245.13 255.67 T +(is) 287.92 255.67 T +(being) 297.73 255.67 T +(modified) 324.65 255.67 T +(by) 366.85 255.67 T +(the) 380.32 255.67 T +(loop) 396.23 255.67 T +(\050this) 418.27 255.67 T +(can) 440.3 255.67 T +(only) 458.04 255.67 T +(occur) 480.07 255.67 T +(for) 506.98 255.67 T +(mu-) 522.28 255.67 T +(table) 72 242.67 T +(sequences,) 96.33 242.67 T +(i.e.) 146.62 242.67 T +(lists\051.) 163.01 242.67 T +(An) 190.1 242.67 T +(internal) 206.49 242.67 T +(counter) 243.04 242.67 T +(is) 278.97 242.67 T +(used) 289.26 242.67 T +(to) 312.36 242.67 T +(keep) 323.87 242.67 T +(track) 347.58 242.67 T +(of) 372.52 242.67 T +(which) 384.63 242.67 T +(item) 414.46 242.67 T +(is) 436.96 242.67 T +(used) 447.24 242.67 T +(next,) 470.35 242.67 T +(and) 494.99 242.67 T +(this) 513.82 242.67 T +(is) 532.66 242.67 T +(i) 72 229.67 T +(n) 75.11 229.67 T +(c) 80.65 229.67 T +(r) 85.58 229.67 T +(e) 89.29 229.67 T +(m) 94.22 229.67 T +(e) 102.83 229.67 T +(n) 107.76 229.67 T +(t) 113.3 229.67 T +(e) 116.41 229.67 T +(d) 121.34 229.67 T +(o) 130.09 229.67 T +(n) 135.64 229.67 T +(e) 144.4 229.67 T +(a) 149.33 229.67 T +(c) 154.26 229.67 T +(h) 159.19 229.67 T +(i) 167.94 229.67 T +(t) 171.05 229.67 T +(e) 174.15 229.67 T +(r) 179.08 229.67 T +(a) 182.79 229.67 T +(t) 187.72 229.67 T +(i) 190.83 229.67 T +(o) 193.93 229.67 T +(n) 199.48 229.67 T +(.) 205.02 229.67 T +(W) 211.03 229.67 T +(h) 221.46 229.67 T +(e) 227.01 229.67 T +(n) 231.94 229.67 T +(t) 240.69 229.67 T +(h) 243.8 229.67 T +(i) 249.35 229.67 T +(s) 252.45 229.67 T +(c) 259.98 229.67 T +(o) 264.92 229.67 T +(u) 270.46 229.67 T +(n) 276.01 229.67 T +(t) 281.55 229.67 T +(e) 284.66 229.67 T +(r) 289.59 229.67 T +(h) 296.51 229.67 T +(a) 302.05 229.67 T +(s) 306.98 229.67 T +(r) 314.52 229.67 T +(e) 318.23 229.67 T +(a) 323.16 229.67 T +(c) 328.09 229.67 T +(h) 333.02 229.67 T +(e) 338.57 229.67 T +(d) 343.5 229.67 T +(t) 352.25 229.67 T +(h) 355.36 229.67 T +(e) 360.9 229.67 T +(l) 369.05 229.67 T +(e) 372.15 229.67 T +(n) 377.08 229.67 T +(g) 382.63 229.67 T +(t) 388.17 229.67 T +(h) 391.28 229.67 T +(o) 400.03 229.67 T +(f) 405.58 229.67 T +(t) 412.5 229.67 T +(h) 415.6 229.67 T +(e) 421.15 229.67 T +(s) 429.29 229.67 T +(e) 433.61 229.67 T +(q) 438.55 229.67 T +(u) 444.09 229.67 T +(e) 449.64 229.67 T +(n) 454.57 229.67 T +(c) 460.11 229.67 T +(e) 465.05 229.67 T +(t) 473.18 229.67 T +(h) 476.29 229.67 T +(e) 481.84 229.67 T +(l) 489.98 229.67 T +(o) 493.08 229.67 T +(o) 498.63 229.67 T +(p) 504.17 229.67 T +(t) 512.93 229.67 T +(e) 516.03 229.67 T +(r) 520.96 229.67 T +(m) 524.67 229.67 T +(i) 533.28 229.67 T +(-) 536.38 229.67 T +(nates.) 72 216.67 T +(This) 100.18 216.67 T +(means) 122.57 216.67 T +(that) 153.51 216.67 T +(if) 172.83 216.67 T +(the) 182.38 216.67 T +(suite) 198.65 216.67 T +(deletes) 222.26 216.67 T +(the) 255.64 216.67 T +(current) 271.91 216.67 T +(\050or) 305.89 216.67 T +(a) 321.55 216.67 T +(previous\051) 329.26 216.67 T +(item) 373.64 216.67 T +(from) 396.02 216.67 T +(the) 420.23 216.67 T +(sequence,) 436.51 216.67 T +(the) 482.4 216.67 T +(next) 498.67 216.67 T +(item) 520.44 216.67 T +(will) 72 203.67 T +(be) 91.79 203.67 T +(skipped) 104.84 203.67 T +(\050since) 141.73 203.67 T +(it) 170.66 203.67 T +(gets) 179.45 203.67 T +(the) 199.84 203.67 T +(index) 215.95 203.67 T +(of) 243.06 203.67 T +(the) 254.89 203.67 T +(current) 271 203.67 T +(item) 304.82 203.67 T +(which) 327.05 203.67 T +(has) 356.6 203.67 T +(already) 373.93 203.67 T +(been) 408.97 203.67 T +(treated\051.) 432.41 203.67 T +(Likewise,) 471.42 203.67 T +(if) 517.17 203.67 T +(the) 526.56 203.67 T +(suite) 72 190.67 T +(inserts) 95.59 190.67 T +(an) 127.13 190.67 T +(item) 140.32 190.67 T +(in) 162.7 190.67 T +(the) 174.07 190.67 T +(sequence) 190.32 190.67 T +(before) 233.45 190.67 T +(the) 264.36 190.67 T +(current) 280.61 190.67 T +(item,) 314.58 190.67 T +(the) 339.7 190.67 T +(current) 355.95 190.67 T +(item) 389.92 190.67 T +(will) 412.29 190.67 T +(be) 432.22 190.67 T +(treated) 445.42 190.67 T +(again) 478.16 190.67 T +(the) 504.8 190.67 T +(next) 521.06 190.67 T +(time) 72 177.67 T +(through) 94.14 177.67 T +(the) 130.94 177.67 T +(loop.) 146.96 177.67 T +(This) 171.85 177.67 T +(can) 193.98 177.67 T +(lead) 211.83 177.67 T +(to) 232.74 177.67 T +(nasty) 243.87 177.67 T +(bugs) 269.67 177.67 T +(that) 293.03 177.67 T +(can) 312.11 177.67 T +(be) 329.96 177.67 T +(avoided) 342.92 177.67 T +(by) 380.33 177.67 T +(making) 393.9 177.67 T +(a) 429.48 177.67 T +(temporary) 436.95 177.67 T +(copy) 484.74 177.67 T +(using) 508.7 177.67 T +(a) 535.12 177.67 T (slice of the whole sequence, e.g.) 72 164.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 10 Q (for x in a[:]:) 72 146.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( if x < 0: a.remove\050x\051) 72 134.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "48" 54 %%Page: "49" 55 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (49) 530 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 585 292.5 598.5 720 R 5 9 Q -(\245) 0 -90 592.5 720 TF -(Compound statements) 0 -90 592.5 711 TF +(\245) 0 270 592.5 720 TF +(Compound statements) 0 270 592.5 711 TF 585 292.5 598.5 720 R -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 14 Q (7.4) 99 710.67 T (The) 135 710.67 T @@ -11754,100 +27929,774 @@ FrameNoSep (try_fin_stmt: "try" ":" suite) 99 619.33 T ( "finally" ":" suite) 99 607.33 T 1 11 Q --0.16 (There are two forms of) 99 582.67 P +(There) 99 582.67 T +(are) 127.24 582.67 T +(two) 143.26 582.67 T +(forms) 162.35 582.67 T +(of) 190.6 582.67 T 2 F --0.38 (try) 202.36 582.67 P +(try) 202.36 582.67 T 1 F --0.16 ( statement:) 222.16 582.67 P +(statement:) 224.75 582.67 T 2 F --0.38 (try...except) 272.56 582.67 P +(try...except) 272.56 582.67 T 1 F --0.16 ( and) 351.76 582.67 P +(and) 354.35 582.67 T 2 F --0.38 (try...finally) 372.82 582.67 P +(try...finally) 372.82 582.67 T 1 F --0.16 (. These forms can-) 458.62 582.67 P +(.) 458.62 582.67 T +(These) 463.96 582.67 T +(forms) 492.82 582.67 T +(can-) 521.07 582.67 T (not be mixed \050but they can be nested in each other\051.) 99 569.67 T -0.25 (The) 99 544.67 P -2 F -0.6 (try...except) 119.1 544.67 P -1 F -0.25 ( form specifies one or more exception handlers \050the) 198.3 544.67 P -2 F -0.6 (except) 429.95 544.67 P -1 F -0.25 ( clauses\051. When) 469.55 544.67 P -0.08 (no exception occurs in the) 99 531.67 P -2 F -0.19 (try) 217.62 531.67 P -1 F -0.08 ( clause, no exception handler is executed. When an exception occurs) 237.42 531.67 P --0.02 (in the) 99 518.67 P -2 F --0.05 (try) 126.46 518.67 P -1 F --0.02 ( suite, a search for an exception handler is started. This inspects the except clauses in turn) 146.26 518.67 P -0.41 0 (until one is found that matches the exception. An expression-less except clause, if present, must be) 99 505.67 B -0.03 (last; it matches any exception. For an except clause with an expression, that expression is evaluated,) 99 492.67 P -0.41 0.01 (and the clause matches the exception if the resulting object is \322compatible\323 with the exception. An) 99 479.67 B --0.33 (object is compatible with an exception if it is either the object that identifies the exception, or \050for ex-) 99 466.67 P -0.25 (ceptions that are classes\051 it is a base class of the exception, or it is a tuple containing an item that is) 99 453.67 P --0.28 (compatible with the exception. Note that the object identities must match, i.e. it must be the same ob-) 99 440.67 P +(The) 99 544.67 T +2 F +(try...except) 119.1 544.67 T +1 F +(form) 201.3 544.67 T +(specifies) 225.68 544.67 T +(one) 267.17 544.67 T +(or) 286.05 544.67 T +(more) 298.21 544.67 T +(exception) 323.82 544.67 T +(handlers) 369.58 544.67 T +(\050the) 409.85 544.67 T +2 F +(except) 429.95 544.67 T +1 F +(clauses\051.) 472.55 544.67 T +(When) 513.73 544.67 T +(no) 99 531.67 T +(exception) 112.83 531.67 T +(occurs) 158.42 531.67 T +(in) 189.96 531.67 T +(the) 201.35 531.67 T +2 F +(try) 217.62 531.67 T +1 F +(clause,) 240.24 531.67 T +(no) 273.31 531.67 T +(exception) 287.14 531.67 T +(handler) 332.73 531.67 T +(is) 368.55 531.67 T +(executed.) 378.71 531.67 T +(When) 423.39 531.67 T +(an) 452.48 531.67 T +(exception) 465.69 531.67 T +(occurs) 511.29 531.67 T +(in) 99 518.67 T +(the) 110.29 518.67 T +2 F +(try) 126.46 518.67 T +1 F +(suite,) 148.99 518.67 T +(a) 175.24 518.67 T +(search) 182.86 518.67 T +(for) 213.68 518.67 T +(an) 229.23 518.67 T +(exception) 242.35 518.67 T +(handler) 287.84 518.67 T +(is) 323.56 518.67 T +(started.) 333.62 518.67 T +(This) 368.43 518.67 T +(inspects) 390.72 518.67 T +(the) 428.89 518.67 T +(except) 445.06 518.67 T +(clauses) 476.49 518.67 T +(in) 510.99 518.67 T +(turn) 522.28 518.67 T +(u) 99 505.67 T +(n) 104.5 505.67 T +(t) 110.01 505.67 T +(i) 113.07 505.67 T +(l) 116.13 505.67 T +(o) 122.36 505.67 T +(n) 127.86 505.67 T +(e) 133.37 505.67 T +(i) 141.42 505.67 T +(s) 144.48 505.67 T +(f) 151.93 505.67 T +(o) 155.6 505.67 T +(u) 161.1 505.67 T +(n) 166.61 505.67 T +(d) 172.11 505.67 T +(t) 180.78 505.67 T +(h) 183.84 505.67 T +(a) 189.35 505.67 T +(t) 194.23 505.67 T +(m) 200.46 505.67 T +(a) 209.02 505.67 T +(t) 213.91 505.67 T +(c) 216.97 505.67 T +(h) 221.86 505.67 T +(e) 227.37 505.67 T +(s) 232.25 505.67 T +(t) 239.7 505.67 T +(h) 242.76 505.67 T +(e) 248.27 505.67 T +(e) 256.32 505.67 T +(x) 261.21 505.67 T +(c) 266.71 505.67 T +(e) 271.6 505.67 T +(p) 276.49 505.67 T +(t) 281.99 505.67 T +(i) 285.05 505.67 T +(o) 288.12 505.67 T +(n) 293.62 505.67 T +(.) 299.12 505.67 T +(A) 305.05 505.67 T +(n) 312.99 505.67 T +(e) 321.66 505.67 T +(x) 326.55 505.67 T +(p) 332.05 505.67 T +(r) 337.56 505.67 T +(e) 341.22 505.67 T +(s) 346.11 505.67 T +(s) 350.39 505.67 T +(i) 354.68 505.67 T +(o) 357.74 505.67 T +(n) 363.24 505.67 T +(-) 368.75 505.67 T +(l) 372.41 505.67 T +(e) 375.48 505.67 T +(s) 380.36 505.67 T +(s) 384.64 505.67 T +(e) 392.09 505.67 T +(x) 396.98 505.67 T +(c) 402.49 505.67 T +(e) 407.37 505.67 T +(p) 412.26 505.67 T +(t) 417.77 505.67 T +(c) 423.99 505.67 T +(l) 428.88 505.67 T +(a) 431.94 505.67 T +(u) 436.83 505.67 T +(s) 442.33 505.67 T +(e) 446.62 505.67 T +(,) 451.51 505.67 T +(i) 457.43 505.67 T +(f) 460.49 505.67 T +(p) 467.32 505.67 T +(r) 472.82 505.67 T +(e) 476.49 505.67 T +(s) 481.38 505.67 T +(e) 485.66 505.67 T +(n) 490.55 505.67 T +(t) 496.05 505.67 T +(,) 499.11 505.67 T +(m) 505.04 505.67 T +(u) 513.6 505.67 T +(s) 519.1 505.67 T +(t) 523.38 505.67 T +(b) 529.61 505.67 T +(e) 535.12 505.67 T +(last;) 99 492.67 T +(it) 120.12 492.67 T +(matches) 129.01 492.67 T +(any) 167.84 492.67 T +(exception.) 186.51 492.67 T +(For) 234.81 492.67 T +(an) 252.87 492.67 T +(except) 266.03 492.67 T +(clause) 297.52 492.67 T +(with) 327.79 492.67 T +(an) 350.13 492.67 T +(expression,) 363.29 492.67 T +(that) 415.87 492.67 T +(expression) 435.15 492.67 T +(is) 484.98 492.67 T +(evaluated,) 495.1 492.67 T +(a) 99 479.67 T +(n) 103.89 479.67 T +(d) 109.4 479.67 T +(t) 118.09 479.67 T +(h) 121.15 479.67 T +(e) 126.67 479.67 T +(c) 134.73 479.67 T +(l) 139.63 479.67 T +(a) 142.69 479.67 T +(u) 147.59 479.67 T +(s) 153.1 479.67 T +(e) 157.39 479.67 T +(m) 165.46 479.67 T +(a) 174.02 479.67 T +(t) 178.92 479.67 T +(c) 181.99 479.67 T +(h) 186.88 479.67 T +(e) 192.39 479.67 T +(s) 197.28 479.67 T +(t) 204.74 479.67 T +(h) 207.81 479.67 T +(e) 213.32 479.67 T +(e) 221.39 479.67 T +(x) 226.28 479.67 T +(c) 231.79 479.67 T +(e) 236.69 479.67 T +(p) 241.58 479.67 T +(t) 247.09 479.67 T +(i) 250.16 479.67 T +(o) 253.23 479.67 T +(n) 258.74 479.67 T +(i) 267.42 479.67 T +(f) 270.49 479.67 T +(t) 277.34 479.67 T +(h) 280.4 479.67 T +(e) 285.91 479.67 T +(r) 293.98 479.67 T +(e) 297.65 479.67 T +(s) 302.55 479.67 T +(u) 306.84 479.67 T +(l) 312.35 479.67 T +(t) 315.42 479.67 T +(i) 318.48 479.67 T +(n) 321.55 479.67 T +(g) 327.06 479.67 T +(o) 335.74 479.67 T +(b) 341.26 479.67 T +(j) 346.77 479.67 T +(e) 349.83 479.67 T +(c) 354.73 479.67 T +(t) 359.62 479.67 T +(i) 365.86 479.67 T +(s) 368.93 479.67 T +(\322) 376.39 479.67 T +(c) 381.29 479.67 T +(o) 386.18 479.67 T +(m) 391.69 479.67 T +(p) 400.26 479.67 T +(a) 405.77 479.67 T +(t) 410.66 479.67 T +(i) 413.73 479.67 T +(b) 416.8 479.67 T +(l) 422.31 479.67 T +(e) 425.38 479.67 T +(\323) 430.27 479.67 T +(w) 438.34 479.67 T +(i) 446.29 479.67 T +(t) 449.36 479.67 T +(h) 452.43 479.67 T +(t) 461.11 479.67 T +(h) 464.18 479.67 T +(e) 469.69 479.67 T +(e) 477.76 479.67 T +(x) 482.65 479.67 T +(c) 488.16 479.67 T +(e) 493.05 479.67 T +(p) 497.95 479.67 T +(t) 503.46 479.67 T +(i) 506.53 479.67 T +(o) 509.59 479.67 T +(n) 515.1 479.67 T +(.) 520.61 479.67 T +(A) 526.55 479.67 T +(n) 534.5 479.67 T +(object) 99 466.67 T +(is) 128.3 466.67 T +(compatible) 138.06 466.67 T +(with) 189.36 466.67 T +(an) 211.34 466.67 T +(exception) 224.14 466.67 T +(if) 269.33 466.67 T +(it) 278.47 466.67 T +(is) 287 466.67 T +(either) 296.76 466.67 T +(the) 324.22 466.67 T +(object) 340.08 466.67 T +(that) 369.39 466.67 T +(identifies) 388.3 466.67 T +(the) 431.67 466.67 T +(exception,) 447.53 466.67 T +(or) 495.46 466.67 T +(\050for) 507.05 466.67 T +(ex-) 525.95 466.67 T +(ceptions) 99 453.67 T +(that) 138.67 453.67 T +(are) 158.17 453.67 T +(classes\051) 174.61 453.67 T +(it) 211.82 453.67 T +(is) 220.94 453.67 T +(a) 231.28 453.67 T +(base) 239.17 453.67 T +(class) 261.72 453.67 T +(of) 286.11 453.67 T +(the) 298.27 453.67 T +(exception,) 314.72 453.67 T +(or) 363.24 453.67 T +(it) 375.41 453.67 T +(is) 384.53 453.67 T +(a) 394.87 453.67 T +(tuple) 402.76 453.67 T +(containing) 427.76 453.67 T +(an) 477.21 453.67 T +(item) 490.6 453.67 T +(that) 513.16 453.67 T +(is) 532.66 453.67 T +(compatible) 99 440.67 T +(with) 150.35 440.67 T +(the) 172.38 440.67 T +(exception.) 188.29 440.67 T +(Note) 236.28 440.67 T +(that) 260.13 440.67 T +(the) 279.1 440.67 T +(object) 295.01 440.67 T +(identities) 324.36 440.67 T +(must) 367.17 440.67 T +(match,) 391.04 440.67 T +(i.e.) 423.14 440.67 T +(it) 439.05 440.67 T +(must) 447.63 440.67 T +(be) 471.5 440.67 T +(the) 484.35 440.67 T +(same) 500.26 440.67 T +(ob-) 525.34 440.67 T (ject, not just an object with the same value.) 99 427.67 T -0.36 (If no except clause matches the exception, the search for an exception handler continues in the sur-) 99 402.67 P +(If) 99 402.67 T +(no) 109.43 402.67 T +(except) 123.54 402.67 T +(clause) 155.35 402.67 T +(matches) 185.95 402.67 T +(the) 225.1 402.67 T +(exception,) 241.65 402.67 T +(the) 290.27 402.67 T +(search) 306.82 402.67 T +(for) 338.02 402.67 T +(an) 353.95 402.67 T +(exception) 367.45 402.67 T +(handler) 413.32 402.67 T +(continues) 449.41 402.67 T +(in) 494.68 402.67 T +(the) 506.35 402.67 T +(sur-) 522.9 402.67 T (rounding code and on the invocation stack.) 99 389.67 T -0.32 (If the evaluation of an expression in the header of an except clause raises an exception, the original) 99 364.67 P --0.41 (search for a handler is cancelled and a search starts for the new exception in the surrounding code and) 99 351.67 P +(If) 99 364.67 T +(the) 109.39 364.67 T +(evaluation) 125.9 364.67 T +(of) 174.79 364.67 T +(an) 187.02 364.67 T +(expression) 200.48 364.67 T +(in) 250.59 364.67 T +(the) 262.21 364.67 T +(header) 278.72 364.67 T +(of) 311.11 364.67 T +(an) 323.34 364.67 T +(except) 336.79 364.67 T +(clause) 368.56 364.67 T +(raises) 399.12 364.67 T +(an) 427.23 364.67 T +(exception,) 440.68 364.67 T +(the) 489.27 364.67 T +(original) 505.78 364.67 T +(search) 99 351.67 T +(for) 129.43 351.67 T +(a) 144.6 351.67 T +(handler) 151.82 351.67 T +(is) 187.14 351.67 T +(cancelled) 196.82 351.67 T +(and) 240.69 351.67 T +(a) 258.91 351.67 T +(search) 266.13 351.67 T +(starts) 296.57 351.67 T +(for) 322.12 351.67 T +(the) 337.29 351.67 T +(new) 353.07 351.67 T +(exception) 373.73 351.67 T +(in) 418.83 351.67 T +(the) 429.73 351.67 T +(surrounding) 445.51 351.67 T +(code) 501.01 351.67 T +(and) 524.11 351.67 T (on the call stack \050it is treated as if the entire) 99 338.67 T 2 F (try) 293.6 338.67 T 1 F ( statement raised the exception\051.) 313.4 338.67 T --0.29 (When a matching except clause is found, the exception\325s parameter is assigned to the target specified) 99 313.67 P -0.08 (in that except clause, if present, and the except clause\325s suite is executed. When the end of this suite) 99 300.67 P --0.27 (is reached, execution continues normally after the entire try statement. \050This means that if two nested) 99 287.67 P --0.1 (handlers exist for the same exception, and the exception occurs in the try clause of the inner handler,) 99 274.67 P +(When) 99 313.67 T +(a) 127.72 313.67 T +(matching) 135.07 313.67 T +(except) 178.46 313.67 T +(clause) 209.63 313.67 T +(is) 239.58 313.67 T +(found,) 249.37 313.67 T +(the) 280.24 313.67 T +(exception\325s) 296.14 313.67 T +(parameter) 349.3 313.67 T +(is) 395.74 313.67 T +(assigned) 405.53 313.67 T +(to) 445.87 313.67 T +(the) 456.89 313.67 T +(target) 472.79 313.67 T +(specified) 500.29 313.67 T +(in) 99 300.67 T +(that) 110.39 300.67 T +(except) 129.71 300.67 T +(clause,) 161.25 300.67 T +(if) 194.32 300.67 T +(present,) 203.87 300.67 T +(and) 241.21 300.67 T +(the) 259.92 300.67 T +(except) 276.19 300.67 T +(clause\325s) 307.73 300.67 T +(suite) 345.99 300.67 T +(is) 369.6 300.67 T +(executed.) 379.76 300.67 T +(When) 424.43 300.67 T +(the) 453.53 300.67 T +(end) 469.8 300.67 T +(of) 488.51 300.67 T +(this) 500.5 300.67 T +(suite) 519.22 300.67 T +(is) 99 287.67 T +(reached,) 108.81 287.67 T +(execution) 148.24 287.67 T +(continues) 193.48 287.67 T +(normally) 238.12 287.67 T +(after) 280.32 287.67 T +(the) 302.94 287.67 T +(entire) 318.86 287.67 T +(try) 346.38 287.67 T +(statement.) 361.08 287.67 T +(\050This) 408.47 287.67 T +(means) 434.17 287.67 T +(that) 464.75 287.67 T +(if) 483.72 287.67 T +(two) 492.92 287.67 T +(nested) 511.89 287.67 T +(handlers) 99 274.67 T +(exist) 138.92 274.67 T +(for) 162.35 274.67 T +(the) 177.83 274.67 T +(same) 193.93 274.67 T +(exception,) 219.18 274.67 T +(and) 267.36 274.67 T +(the) 285.89 274.67 T +(exception) 301.99 274.67 T +(occurs) 347.41 274.67 T +(in) 378.77 274.67 T +(the) 389.98 274.67 T +(try) 406.08 274.67 T +(clause) 420.95 274.67 T +(of) 451.09 274.67 T +(the) 462.91 274.67 T +(inner) 479 274.67 T +(handler,) 504.26 274.67 T (the outer handler will not handle the exception.\051) 99 261.67 T --0.37 (Before an except clause\325s suite is executed, details about the exception are assigned to three variables) 99 236.67 P -0.41 0.88 (in the) 99 223.67 B -2 F -0.99 0.88 (sys) 133.46 223.67 B -1 F -0.41 0.88 ( module:) 155.9 223.67 B -2 F -0.99 0.88 (sys.exc_type) 206.17 223.67 B -1 F -0.41 0.88 ( receives the object identifying the exception;) 295.9 223.67 B -2 F -0.99 0.05 (sys.exc_value) 99 210.67 B -1 F -0.41 0.05 ( receives the exception\325s parameter;) 185.49 210.67 B -2 F -0.99 0.05 (sys.exc_traceback) 350.49 210.67 B -1 F -0.41 0.05 ( receives a trace-) 463.6 210.67 B -0.34 (back object \050see page) 99 197.67 P -0.34 (17\051 identifying the point in the program where the exception occurred. These) 197.15 197.67 P -0.41 0.51 (details are also available through the) 99 184.67 B -2 F -0.99 0.51 (sys.exc_info\050\051) 285.11 184.67 B -1 F -0.41 0.51 ( function, which returns a tuple) 384.65 184.67 B -2 F -0.74 (\050exc_type, exc_value, exc_traceback\051) 99 171.67 P -1 F -0.31 (. Use of the corresponding variables is depre-) 338.07 171.67 P --0.09 (cated in favor of this function, since their use is unsafe in a threaded program. \050As of Python 1.5, the) 99 158.67 P +(Before) 99 236.67 T +(an) 131.31 236.67 T +(except) 144.07 236.67 T +(clause\325s) 175.15 236.67 T +(suite) 212.96 236.67 T +(is) 236.12 236.67 T +(executed,) 245.83 236.67 T +(details) 290.05 236.67 T +(about) 321.14 236.67 T +(the) 347.96 236.67 T +(exception) 363.78 236.67 T +(are) 408.92 236.67 T +(assigned) 424.73 236.67 T +(to) 464.99 236.67 T +(three) 475.92 236.67 T +(variables) 500.29 236.67 T +(i) 99 223.67 T +(n) 102.93 223.67 T +(t) 113.35 223.67 T +(h) 117.29 223.67 T +(e) 123.66 223.67 T +2 F +(s) 133.46 223.67 T +(y) 140.94 223.67 T +(s) 148.42 223.67 T +1 F +(m) 159.93 223.67 T +(o) 169.37 223.67 T +(d) 175.75 223.67 T +(u) 182.12 223.67 T +(l) 188.5 223.67 T +(e) 192.44 223.67 T +(:) 198.2 223.67 T +2 F +(s) 206.17 223.67 T +(y) 213.65 223.67 T +(s) 221.12 223.67 T +(.) 228.6 223.67 T +(e) 236.08 223.67 T +(x) 243.56 223.67 T +(c) 251.03 223.67 T +(_) 258.51 223.67 T +(t) 265.99 223.67 T +(y) 273.46 223.67 T +(p) 280.94 223.67 T +(e) 288.42 223.67 T +1 F +(r) 299.93 223.67 T +(e) 304.48 223.67 T +(c) 310.24 223.67 T +(e) 316 223.67 T +(i) 321.76 223.67 T +(v) 325.69 223.67 T +(e) 332.07 223.67 T +(s) 337.83 223.67 T +(t) 347.03 223.67 T +(h) 350.96 223.67 T +(e) 357.34 223.67 T +(o) 367.14 223.67 T +(b) 373.52 223.67 T +(j) 379.89 223.67 T +(e) 383.83 223.67 T +(c) 389.59 223.67 T +(t) 395.35 223.67 T +(i) 403.33 223.67 T +(d) 407.26 223.67 T +(e) 413.64 223.67 T +(n) 419.4 223.67 T +(t) 425.77 223.67 T +(i) 429.71 223.67 T +(f) 433.64 223.67 T +(y) 438.18 223.67 T +(i) 444.56 223.67 T +(n) 448.5 223.67 T +(g) 454.87 223.67 T +(t) 465.29 223.67 T +(h) 469.23 223.67 T +(e) 475.6 223.67 T +(e) 485.4 223.67 T +(x) 491.16 223.67 T +(c) 497.54 223.67 T +(e) 503.3 223.67 T +(p) 509.06 223.67 T +(t) 515.44 223.67 T +(i) 519.38 223.67 T +(o) 523.31 223.67 T +(n) 529.69 223.67 T +(;) 536.07 223.67 T +2 F +(s) 99 210.67 T +(y) 105.65 210.67 T +(s) 112.31 210.67 T +(.) 118.96 210.67 T +(e) 125.61 210.67 T +(x) 132.27 210.67 T +(c) 138.92 210.67 T +(_) 145.57 210.67 T +(v) 152.23 210.67 T +(a) 158.88 210.67 T +(l) 165.53 210.67 T +(u) 172.18 210.67 T +(e) 178.84 210.67 T +1 F +(r) 188.71 210.67 T +(e) 192.42 210.67 T +(c) 197.36 210.67 T +(e) 202.3 210.67 T +(i) 207.23 210.67 T +(v) 210.35 210.67 T +(e) 215.9 210.67 T +(s) 220.84 210.67 T +(t) 228.38 210.67 T +(h) 231.49 210.67 T +(e) 237.05 210.67 T +(e) 245.2 210.67 T +(x) 250.14 210.67 T +(c) 255.69 210.67 T +(e) 260.63 210.67 T +(p) 265.57 210.67 T +(t) 271.12 210.67 T +(i) 274.23 210.67 T +(o) 277.34 210.67 T +(n) 282.89 210.67 T +(\325) 288.45 210.67 T +(s) 292.16 210.67 T +(p) 299.71 210.67 T +(a) 305.27 210.67 T +(r) 310.2 210.67 T +(a) 313.92 210.67 T +(m) 318.86 210.67 T +(e) 327.47 210.67 T +(t) 332.4 210.67 T +(e) 335.52 210.67 T +(r) 340.45 210.67 T +(;) 344.17 210.67 T +2 F +(s) 350.49 210.67 T +(y) 357.15 210.67 T +(s) 363.8 210.67 T +(.) 370.45 210.67 T +(e) 377.11 210.67 T +(x) 383.76 210.67 T +(c) 390.41 210.67 T +(_) 397.07 210.67 T +(t) 403.72 210.67 T +(r) 410.37 210.67 T +(a) 417.03 210.67 T +(c) 423.68 210.67 T +(e) 430.33 210.67 T +(b) 436.99 210.67 T +(a) 443.64 210.67 T +(c) 450.29 210.67 T +(k) 456.95 210.67 T +1 F +(r) 466.81 210.67 T +(e) 470.53 210.67 T +(c) 475.47 210.67 T +(e) 480.4 210.67 T +(i) 485.34 210.67 T +(v) 488.45 210.67 T +(e) 494.01 210.67 T +(s) 498.94 210.67 T +(a) 506.49 210.67 T +(t) 514.64 210.67 T +(r) 517.76 210.67 T +(a) 521.47 210.67 T +(c) 526.41 210.67 T +(e) 531.35 210.67 T +(-) 536.28 210.67 T +(back) 99 197.67 T +(object) 122.86 197.67 T +(\050see) 152.83 197.67 T +(page) 173.63 197.67 T +(17\051) 197.15 197.67 T +(identifying) 214.91 197.67 T +(the) 266.28 197.67 T +(point) 282.81 197.67 T +(in) 308.52 197.67 T +(the) 320.17 197.67 T +(program) 336.7 197.67 T +(where) 377.06 197.67 T +(the) 407.02 197.67 T +(exception) 423.55 197.67 T +(occurred.) 469.41 197.67 T +(These) 513.73 197.67 T +(d) 99 184.67 T +(e) 105.01 184.67 T +(t) 110.4 184.67 T +(a) 113.97 184.67 T +(i) 119.37 184.67 T +(l) 122.93 184.67 T +(s) 126.5 184.67 T +(a) 134.96 184.67 T +(r) 140.36 184.67 T +(e) 144.53 184.67 T +(a) 153.6 184.67 T +(l) 158.99 184.67 T +(s) 162.56 184.67 T +(o) 167.35 184.67 T +(a) 177.03 184.67 T +(v) 182.42 184.67 T +(a) 188.43 184.67 T +(i) 193.83 184.67 T +(l) 197.4 184.67 T +(a) 200.96 184.67 T +(b) 206.36 184.67 T +(l) 212.37 184.67 T +(e) 215.94 184.67 T +(t) 225 184.67 T +(h) 228.57 184.67 T +(r) 234.58 184.67 T +(o) 238.75 184.67 T +(u) 244.76 184.67 T +(g) 250.77 184.67 T +(h) 256.78 184.67 T +(t) 266.46 184.67 T +(h) 270.03 184.67 T +(e) 276.04 184.67 T +2 F +(s) 285.11 184.67 T +(y) 292.22 184.67 T +(s) 299.33 184.67 T +(.) 306.44 184.67 T +(e) 313.55 184.67 T +(x) 320.66 184.67 T +(c) 327.77 184.67 T +(_) 334.88 184.67 T +(i) 341.99 184.67 T +(n) 349.1 184.67 T +(f) 356.21 184.67 T +(o) 363.32 184.67 T +(\050) 370.43 184.67 T +(\051) 377.54 184.67 T +1 F +(f) 388.32 184.67 T +(u) 392.49 184.67 T +(n) 398.51 184.67 T +(c) 404.52 184.67 T +(t) 409.91 184.67 T +(i) 413.48 184.67 T +(o) 417.05 184.67 T +(n) 423.05 184.67 T +(,) 429.07 184.67 T +(w) 436 184.67 T +(h) 444.45 184.67 T +(i) 450.46 184.67 T +(c) 454.03 184.67 T +(h) 459.42 184.67 T +(r) 469.1 184.67 T +(e) 473.28 184.67 T +(t) 478.67 184.67 T +(u) 482.24 184.67 T +(r) 488.25 184.67 T +(n) 492.42 184.67 T +(s) 498.43 184.67 T +(a) 506.89 184.67 T +(t) 515.96 184.67 T +(u) 519.53 184.67 T +(p) 525.54 184.67 T +(l) 531.55 184.67 T +(e) 535.11 184.67 T +2 F +(\050exc_type,) 99 171.67 T +(exc_value,) 172.34 171.67 T +(exc_traceback\051) 245.67 171.67 T +1 F +(.) 338.07 171.67 T +(Use) 343.88 171.67 T +(of) 364.04 171.67 T +(the) 376.26 171.67 T +(corresponding) 392.76 171.67 T +(variables) 458.74 171.67 T +(is) 501.51 171.67 T +(depre-) 511.91 171.67 T +(cated) 99 158.67 T +(in) 124.87 158.67 T +(favor) 136.09 158.67 T +(of) 161.96 158.67 T +(this) 173.79 158.67 T +(function,) 192.35 158.67 T +(since) 234.42 158.67 T +(their) 259.69 158.67 T +(use) 282.51 158.67 T +(is) 299.84 158.67 T +(unsafe) 309.84 158.67 T +(in) 341.21 158.67 T +(a) 352.43 158.67 T +(threaded) 359.97 158.67 T +(program.) 400.51 158.67 T +(\050As) 443.19 158.67 T +(of) 461.73 158.67 T +(Python) 473.56 158.67 T +(1.5,) 507.4 158.67 T +(the) 526.56 158.67 T (variables are restored to their old values when returning from a function that handled an exception.\051) 99 145.67 T --0.36 (The optional) 99 120.67 P +(The) 99 120.67 T +(optional) 118.5 120.67 T 2 F --0.86 (else) 156.95 120.67 P +(else) 156.95 120.67 T 1 F --0.36 ( clause is executed when no exception occurs in the) 183.35 120.67 P +(clause) 185.74 120.67 T +(is) 215.62 120.67 T +(executed) 225.35 120.67 T +(when) 266.84 120.67 T +(no) 293.06 120.67 T +(exception) 306.45 120.67 T +(occurs) 351.61 120.67 T +(in) 382.72 120.67 T +(the) 393.67 120.67 T 2 F --0.86 (try) 409.5 120.67 P +(try) 409.5 120.67 T 1 F --0.36 ( clause. Exceptions in the) 429.3 120.67 P +(clause.) 431.7 120.67 T +(Exceptions) 464.33 120.67 T +(in) 515.61 120.67 T +(the) 526.56 120.67 T 2 F (else) 99 107.67 T 1 F @@ -11856,337 +28705,1266 @@ FrameNoSep (except) 305.02 107.67 T 1 F ( clauses.) 344.62 107.67 T -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "49" 55 %%Page: "50" 56 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (50) 76.5 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q -0.31 (The) 72 712.67 P -2 F -0.75 (try...finally) 92.17 712.67 P -1 F -0.31 ( form specifies a \324cleanup\325 handler. The) 177.97 712.67 P -2 F -0.75 (try) 358.56 712.67 P -1 F -0.31 ( clause is executed. When no excep-) 378.36 712.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.17 (tion occurs, the) 72 699.67 P -2 F -0.41 (finally) 142.78 699.67 P -1 F -0.17 ( clause is executed. When an exception occurs in the) 188.98 699.67 P -2 F -0.41 (try) 424.99 699.67 P -1 F -0.17 ( clause, the exception) 444.79 699.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.41 0.09 (is temporarily saved, the) 72 686.67 B -2 F -0.99 0.09 (finally) 186.9 686.67 B -1 F -0.41 0.09 ( clause is executed, and then the saved exception is re-raised. If the) 233.73 686.67 B -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -2 F -0.99 0.05 (finally) 72 673.67 B -1 F -0.41 0.05 ( clause raises another exception or executes a) 118.55 673.67 B -2 F -0.99 0.05 (return) 326.42 673.67 B -1 F -0.41 0.05 (,) 366.32 673.67 B -2 F -0.99 0.05 (break) 372.33 673.67 B -1 F -0.41 0.05 ( or) 405.58 673.67 B -2 F -0.99 0.05 (continue) 421.27 673.67 B -1 F -0.41 0.05 ( statement, the) 474.47 673.67 B -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.25 (saved exception is lost. The exception information is not available to the program during execution of the) 72 660.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(The) 72 712.67 T +2 F +(try...finally) 92.17 712.67 T +1 F +(form) 181.03 712.67 T +(specifies) 205.48 712.67 T +(a) 247.04 712.67 T +(\324cleanup\325) 254.99 712.67 T +(handler.) 299.59 712.67 T +(The) 338.39 712.67 T +2 F +(try) 358.56 712.67 T +1 F +(clause) 381.42 712.67 T +(is) 411.98 712.67 T +(executed.) 422.38 712.67 T +(When) 467.29 712.67 T +(no) 496.62 712.67 T +(excep-) 510.68 712.67 T +(tion) 72 699.67 T +(occurs,) 92.04 699.67 T +(the) 126.42 699.67 T +2 F +(finally) 142.78 699.67 T +1 F +(clause) 191.9 699.67 T +(is) 222.31 699.67 T +(executed.) 232.57 699.67 T +(When) 277.33 699.67 T +(an) 306.52 699.67 T +(exception) 319.83 699.67 T +(occurs) 365.52 699.67 T +(in) 397.15 699.67 T +(the) 408.63 699.67 T +2 F +(try) 424.99 699.67 T +1 F +(clause,) 447.71 699.67 T +(the) 480.87 699.67 T +(exception) 497.23 699.67 T +(i) 72 686.67 T +(s) 75.15 686.67 T +(t) 82.77 686.67 T +(e) 85.92 686.67 T +(m) 90.89 686.67 T +(p) 99.54 686.67 T +(o) 105.13 686.67 T +(r) 110.72 686.67 T +(a) 114.47 686.67 T +(r) 119.45 686.67 T +(i) 123.2 686.67 T +(l) 126.35 686.67 T +(y) 129.5 686.67 T +(s) 138.34 686.67 T +(a) 142.71 686.67 T +(v) 147.69 686.67 T +(e) 153.28 686.67 T +(d) 158.25 686.67 T +(,) 163.84 686.67 T +(t) 169.93 686.67 T +(h) 173.08 686.67 T +(e) 178.67 686.67 T +2 F +(f) 186.9 686.67 T +(i) 193.59 686.67 T +(n) 200.28 686.67 T +(a) 206.97 686.67 T +(l) 213.66 686.67 T +(l) 220.35 686.67 T +(y) 227.04 686.67 T +1 F +(c) 236.99 686.67 T +(l) 241.96 686.67 T +(a) 245.11 686.67 T +(u) 250.08 686.67 T +(s) 255.67 686.67 T +(e) 260.04 686.67 T +(i) 268.27 686.67 T +(s) 271.42 686.67 T +(e) 279.04 686.67 T +(x) 284.01 686.67 T +(e) 289.6 686.67 T +(c) 294.58 686.67 T +(u) 299.55 686.67 T +(t) 305.14 686.67 T +(e) 308.29 686.67 T +(d) 313.27 686.67 T +(,) 318.86 686.67 T +(a) 324.95 686.67 T +(n) 329.92 686.67 T +(d) 335.51 686.67 T +(t) 344.36 686.67 T +(h) 347.51 686.67 T +(e) 353.1 686.67 T +(n) 358.07 686.67 T +(t) 366.91 686.67 T +(h) 370.06 686.67 T +(e) 375.65 686.67 T +(s) 383.88 686.67 T +(a) 388.25 686.67 T +(v) 393.22 686.67 T +(e) 398.81 686.67 T +(d) 403.79 686.67 T +(e) 412.63 686.67 T +(x) 417.6 686.67 T +(c) 423.19 686.67 T +(e) 428.17 686.67 T +(p) 433.14 686.67 T +(t) 438.73 686.67 T +(i) 441.88 686.67 T +(o) 445.03 686.67 T +(n) 450.62 686.67 T +(i) 459.46 686.67 T +(s) 462.61 686.67 T +(r) 470.23 686.67 T +(e) 473.99 686.67 T +(-) 478.96 686.67 T +(r) 482.71 686.67 T +(a) 486.47 686.67 T +(i) 491.44 686.67 T +(s) 494.59 686.67 T +(e) 498.96 686.67 T +(d) 503.93 686.67 T +(.) 509.52 686.67 T +(I) 515.62 686.67 T +(f) 519.37 686.67 T +(t) 526.38 686.67 T +(h) 529.53 686.67 T +(e) 535.11 686.67 T +2 F +(f) 72 673.67 T +(i) 78.65 673.67 T +(n) 85.3 673.67 T +(a) 91.95 673.67 T +(l) 98.6 673.67 T +(l) 105.25 673.67 T +(y) 111.9 673.67 T +1 F +(c) 121.76 673.67 T +(l) 126.7 673.67 T +(a) 129.8 673.67 T +(u) 134.74 673.67 T +(s) 140.29 673.67 T +(e) 144.62 673.67 T +(r) 152.76 673.67 T +(a) 156.48 673.67 T +(i) 161.41 673.67 T +(s) 164.52 673.67 T +(e) 168.85 673.67 T +(s) 173.78 673.67 T +(a) 181.32 673.67 T +(n) 186.26 673.67 T +(o) 191.81 673.67 T +(t) 197.36 673.67 T +(h) 200.47 673.67 T +(e) 206.02 673.67 T +(r) 210.95 673.67 T +(e) 217.88 673.67 T +(x) 222.81 673.67 T +(c) 228.36 673.67 T +(e) 233.29 673.67 T +(p) 238.23 673.67 T +(t) 243.78 673.67 T +(i) 246.89 673.67 T +(o) 249.99 673.67 T +(n) 255.54 673.67 T +(o) 264.31 673.67 T +(r) 269.86 673.67 T +(e) 276.78 673.67 T +(x) 281.72 673.67 T +(e) 287.27 673.67 T +(c) 292.2 673.67 T +(u) 297.14 673.67 T +(t) 302.69 673.67 T +(e) 305.79 673.67 T +(s) 310.73 673.67 T +(a) 318.27 673.67 T +2 F +(r) 326.42 673.67 T +(e) 333.07 673.67 T +(t) 339.72 673.67 T +(u) 346.37 673.67 T +(r) 353.02 673.67 T +(n) 359.67 673.67 T +1 F +(,) 366.32 673.67 T +2 F +(b) 372.33 673.67 T +(r) 378.98 673.67 T +(e) 385.63 673.67 T +(a) 392.28 673.67 T +(k) 398.93 673.67 T +1 F +(o) 408.79 673.67 T +(r) 414.34 673.67 T +2 F +(c) 421.27 673.67 T +(o) 427.92 673.67 T +(n) 434.57 673.67 T +(t) 441.22 673.67 T +(i) 447.87 673.67 T +(n) 454.52 673.67 T +(u) 461.17 673.67 T +(e) 467.82 673.67 T +1 F +(s) 477.68 673.67 T +(t) 482.01 673.67 T +(a) 485.12 673.67 T +(t) 490.05 673.67 T +(e) 493.16 673.67 T +(m) 498.09 673.67 T +(e) 506.7 673.67 T +(n) 511.64 673.67 T +(t) 517.19 673.67 T +(,) 520.29 673.67 T +(t) 526.31 673.67 T +(h) 529.41 673.67 T +(e) 534.97 673.67 T +(saved) 72 660.67 T +(exception) 100.04 660.67 T +(is) 145.8 660.67 T +(lost.) 156.14 660.67 T +(The) 177.78 660.67 T +(exception) 197.88 660.67 T +(information) 243.64 660.67 T +(is) 298.58 660.67 T +(not) 308.91 660.67 T +(available) 325.96 660.67 T +(to) 368.67 660.67 T +(the) 380.22 660.67 T +(program) 396.66 660.67 T +(during) 436.92 660.67 T +(execution) 468.64 660.67 T +(of) 514.4 660.67 T +(the) 526.56 660.67 T 2 F (finally) 72 647.67 T 1 F ( clause.) 118.2 647.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.11 (When a) 72 622.67 P +(When) 72 622.67 T +(a) 101.12 622.67 T 2 F -0.26 (return) 108.87 622.67 P +(return) 108.87 622.67 T 1 F -0.11 ( or) 148.47 622.67 P +(or) 151.32 622.67 T 2 F -0.26 (break) 163.34 622.67 P +(break) 163.34 622.67 T 1 F -0.11 ( statement is executed in the) 196.34 622.67 P +(statement) 199.2 622.67 T +(is) 244.22 622.67 T +(executed) 254.41 622.67 T +(in) 296.36 622.67 T +(the) 307.78 622.67 T 2 F -0.26 (try) 324.08 622.67 P +(try) 324.08 622.67 T 1 F -0.11 ( suite of a) 343.88 622.67 P +(suite) 346.73 622.67 T +(of) 370.37 622.67 T +(a) 382.39 622.67 T 2 F -0.26 (try...finally) 390.13 622.67 P +(try...finally) 390.13 622.67 T 1 F -0.11 ( statement, the) 475.93 622.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(statement,) 478.79 622.67 T +(the) 526.56 622.67 T 2 F -0.95 (finally) 72 609.67 P +(finally) 72 609.67 T 1 F -0.4 ( clause is also executed \324on the way out\325. A) 118.2 609.67 P +(clause) 121.35 609.67 T +(is) 151.98 609.67 T +(also) 162.46 609.67 T +(executed) 183.33 609.67 T +(\324on) 225.57 609.67 T +(the) 243.38 609.67 T +(way) 259.96 609.67 T +(out\325.) 281.44 609.67 T +(A) 305.05 609.67 T 2 F -0.95 (continue) 316.14 609.67 P +(continue) 316.14 609.67 T 1 F -0.4 ( statement is illegal in the) 368.94 609.67 P +(statement) 372.09 609.67 T +(is) 417.39 609.67 T +(illegal) 427.88 609.67 T +(in) 458.52 609.67 T +(the) 470.23 609.67 T 2 F -0.95 (try) 486.82 609.67 P +(try) 486.82 609.67 T 1 F -0.4 ( clause.) 506.61 609.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(clause.) 509.76 609.67 T (\050The reason is a problem with the current implementation \321 this restriction may be lifted in the future\051.) 72 596.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 14 Q (7.5) 72 569.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Function definitions) 108 569.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q --0.55 (A function definition defines a user-defined function object \050see \322The standard type hierarchy\323 on page) 72 544.67 P --0.55 (12\051:) 522.28 544.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(A) 72 544.67 T +(function) 82.15 544.67 T +(definition) 121.01 544.67 T +(defines) 166 544.67 T +(a) 199.97 544.67 T +(user-defined) 207.06 544.67 T +(function) 264.24 544.67 T +(object) 303.11 544.67 T +(\050see) 332.2 544.67 T +(\322The) 352.12 544.67 T +(standard) 376.31 544.67 T +(type) 415.78 544.67 T +(hierarchy\323) 436.93 544.67 T +(on) 485.56 544.67 T +(page) 498.76 544.67 T +(12\051:) 522.28 544.67 T 2 10 Q (funcdef: "def" funcname "\050" [parameter_list] "\051" ":" suite) 72 526.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (parameter_list: \050defparameter ","\051* \050"*" identifier [, "**" identifier]) 72 514.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( | "**" identifier) 72 502.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( | defparameter [","]\051) 72 490.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (defparameter: parameter ["=" expression]) 72 478.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (sublist: parameter \050"," parameter\051* [","]) 72 466.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (parameter: identifier | "\050" sublist "\051") 72 454.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (funcname: identifier) 72 442.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -1 11 Q -0.05 (A function definition is an executable statement. Its execution binds the function name in the current local) 72 417.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.04 (name space to a function object \050a wrapper around the executable code for the function\051. This function ob-) 72 404.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.41 0.06 (ject contains a reference to the current global name space as the global name space to be used when the) 72 391.67 B -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +1 11 Q +(A) 72 417.67 T +(function) 82.75 417.67 T +(definition) 122.21 417.67 T +(is) 167.8 417.67 T +(an) 177.94 417.67 T +(executable) 191.13 417.67 T +(statement.) 240.97 417.67 T +(Its) 288.69 417.67 T +(execution) 302.49 417.67 T +(binds) 348.06 417.67 T +(the) 374.7 417.67 T +(function) 390.95 417.67 T +(name) 430.42 417.67 T +(in) 457.05 417.67 T +(the) 468.41 417.67 T +(current) 484.66 417.67 T +(local) 518.62 417.67 T +(name) 72 404.67 T +(space) 98.54 404.67 T +(to) 125.69 404.67 T +(a) 136.96 404.67 T +(function) 144.56 404.67 T +(object) 183.93 404.67 T +(\050a) 213.53 404.67 T +(wrapper) 224.8 404.67 T +(around) 263.55 404.67 T +(the) 296.81 404.67 T +(executable) 312.96 404.67 T +(code) 362.71 404.67 T +(for) 386.2 404.67 T +(the) 401.74 404.67 T +(function\051.) 417.9 404.67 T +(This) 463.69 404.67 T +(function) 485.96 404.67 T +(ob-) 525.34 404.67 T +(j) 72 391.67 T +(e) 75.12 391.67 T +(c) 80.06 391.67 T +(t) 85 391.67 T +(c) 91.34 391.67 T +(o) 96.28 391.67 T +(n) 101.84 391.67 T +(t) 107.39 391.67 T +(a) 110.51 391.67 T +(i) 115.45 391.67 T +(n) 118.57 391.67 T +(s) 124.13 391.67 T +(a) 131.69 391.67 T +(r) 139.85 391.67 T +(e) 143.57 391.67 T +(f) 148.51 391.67 T +(e) 152.23 391.67 T +(r) 157.18 391.67 T +(e) 160.9 391.67 T +(n) 165.84 391.67 T +(c) 171.4 391.67 T +(e) 176.34 391.67 T +(t) 184.5 391.67 T +(o) 187.62 391.67 T +(t) 196.4 391.67 T +(h) 199.51 391.67 T +(e) 205.07 391.67 T +(c) 213.23 391.67 T +(u) 218.18 391.67 T +(r) 223.73 391.67 T +(r) 227.45 391.67 T +(e) 231.18 391.67 T +(n) 236.12 391.67 T +(t) 241.68 391.67 T +(g) 248.01 391.67 T +(l) 253.57 391.67 T +(o) 256.69 391.67 T +(b) 262.24 391.67 T +(a) 267.8 391.67 T +(l) 272.74 391.67 T +(n) 279.08 391.67 T +(a) 284.64 391.67 T +(m) 289.58 391.67 T +(e) 298.2 391.67 T +(s) 306.36 391.67 T +(p) 310.7 391.67 T +(a) 316.26 391.67 T +(c) 321.2 391.67 T +(e) 326.14 391.67 T +(a) 334.3 391.67 T +(s) 339.24 391.67 T +(t) 346.8 391.67 T +(h) 349.92 391.67 T +(e) 355.48 391.67 T +(g) 363.64 391.67 T +(l) 369.2 391.67 T +(o) 372.31 391.67 T +(b) 377.87 391.67 T +(a) 383.43 391.67 T +(l) 388.37 391.67 T +(n) 394.71 391.67 T +(a) 400.27 391.67 T +(m) 405.21 391.67 T +(e) 413.83 391.67 T +(s) 421.99 391.67 T +(p) 426.33 391.67 T +(a) 431.88 391.67 T +(c) 436.83 391.67 T +(e) 441.77 391.67 T +(t) 449.93 391.67 T +(o) 453.05 391.67 T +(b) 461.83 391.67 T +(e) 467.38 391.67 T +(u) 475.55 391.67 T +(s) 481.1 391.67 T +(e) 485.44 391.67 T +(d) 490.38 391.67 T +(w) 499.16 391.67 T +(h) 507.16 391.67 T +(e) 512.72 391.67 T +(n) 517.66 391.67 T +(t) 526.44 391.67 T +(h) 529.56 391.67 T +(e) 535.11 391.67 T (function is called.) 72 378.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.41 0.04 (The function definition does not execute the function body; this gets executed only when the function is) 72 353.67 B -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(T) 72 353.67 T +(h) 78.76 353.67 T +(e) 84.31 353.67 T +(f) 92.44 353.67 T +(u) 96.14 353.67 T +(n) 101.68 353.67 T +(c) 107.22 353.67 T +(t) 112.15 353.67 T +(i) 115.25 353.67 T +(o) 118.35 353.67 T +(n) 123.89 353.67 T +(d) 132.64 353.67 T +(e) 138.18 353.67 T +(f) 143.11 353.67 T +(i) 146.81 353.67 T +(n) 149.91 353.67 T +(i) 155.46 353.67 T +(t) 158.56 353.67 T +(i) 161.66 353.67 T +(o) 164.76 353.67 T +(n) 170.3 353.67 T +(d) 179.04 353.67 T +(o) 184.59 353.67 T +(e) 190.13 353.67 T +(s) 195.06 353.67 T +(n) 202.58 353.67 T +(o) 208.12 353.67 T +(t) 213.67 353.67 T +(e) 219.97 353.67 T +(x) 224.9 353.67 T +(e) 230.44 353.67 T +(c) 235.37 353.67 T +(u) 240.29 353.67 T +(t) 245.83 353.67 T +(e) 248.93 353.67 T +(t) 257.06 353.67 T +(h) 260.16 353.67 T +(e) 265.71 353.67 T +(f) 273.84 353.67 T +(u) 277.54 353.67 T +(n) 283.08 353.67 T +(c) 288.63 353.67 T +(t) 293.55 353.67 T +(i) 296.65 353.67 T +(o) 299.75 353.67 T +(n) 305.3 353.67 T +(b) 314.04 353.67 T +(o) 319.58 353.67 T +(d) 325.13 353.67 T +(y) 330.67 353.67 T +(;) 336.21 353.67 T +(t) 342.52 353.67 T +(h) 345.61 353.67 T +(i) 351.16 353.67 T +(s) 354.26 353.67 T +(g) 361.78 353.67 T +(e) 367.33 353.67 T +(t) 372.25 353.67 T +(s) 375.35 353.67 T +(e) 382.88 353.67 T +(x) 387.8 353.67 T +(e) 393.35 353.67 T +(c) 398.27 353.67 T +(u) 403.2 353.67 T +(t) 408.74 353.67 T +(e) 411.84 353.67 T +(d) 416.77 353.67 T +(o) 425.51 353.67 T +(n) 431.05 353.67 T +(l) 436.6 353.67 T +(y) 439.7 353.67 T +(w) 448.44 353.67 T +(h) 456.43 353.67 T +(e) 461.97 353.67 T +(n) 466.9 353.67 T +(t) 475.64 353.67 T +(h) 478.74 353.67 T +(e) 484.29 353.67 T +(f) 492.42 353.67 T +(u) 496.12 353.67 T +(n) 501.66 353.67 T +(c) 507.2 353.67 T +(t) 512.13 353.67 T +(i) 515.23 353.67 T +(o) 518.33 353.67 T +(n) 523.87 353.67 T +(i) 532.62 353.67 T +(s) 535.72 353.67 T (called.) 72 340.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.19 (When one or more top-level parameters have the form) 72 315.67 P +(When) 72 315.67 T +(one) 100.83 315.67 T +(or) 119.28 315.67 T +(more) 131.01 315.67 T +(top-level) 156.18 315.67 T +(parameters) 197.85 315.67 T +(have) 248.66 315.67 T +(the) 272 315.67 T +(form) 288 315.67 T 3 F --0.19 (parameter = expression) 311.95 315.67 P -1 F --0.19 (, the function is said to have) 417.38 315.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.19 (\322default parameter values\323.) 72 302.67 P +(parameter) 311.95 315.67 T +(=) 360.34 315.67 T +(expression) 370.33 315.67 T +1 F +(,) 417.38 315.67 T +(the) 422.69 315.67 T +(function) 438.7 315.67 T +(is) 477.92 315.67 T +(said) 487.83 315.67 T +(to) 508.11 315.67 T +(have) 519.23 315.67 T +(\322default) 72 302.67 T +(parameter) 109.99 302.67 T +(values\323.) 156.53 302.67 T 4 F --0.19 (Default parameter values are evaluated when the function definition is ex-) 194.82 302.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.41 0.05 (ecuted) 72 289.67 B -1 F -0.41 0.05 (. For a parameter with a default value, the correponding argument may be omitted from a call, in) 102.86 289.67 B -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.16 (which case the parameter\325s default value is substituted. If a parameter has a default value, all following pa-) 72 276.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.21 (rameters must also have a default value \321 this is a syntactic restriction that is not expressed by the gram-) 72 263.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(mar.) 72 250.67 T +(Default) 194.82 302.67 T +(parameter) 232.21 302.67 T +(values) 284.25 302.67 T +(are) 316.14 302.67 T +(evaluated) 333.97 302.67 T +(when) 381.75 302.67 T +(the) 409.37 302.67 T +(function) 426.59 302.67 T +(definition) 468.27 302.67 T +(is) 516.06 302.67 T +(ex-) 525.95 302.67 T +(e) 72 289.67 T +(c) 76.93 289.67 T +(u) 81.87 289.67 T +(t) 88.04 289.67 T +(e) 91.75 289.67 T +(d) 96.69 289.67 T +1 F +(.) 102.86 289.67 T +(F) 108.87 289.67 T +(o) 115.04 289.67 T +(r) 120.59 289.67 T +(a) 127.52 289.67 T +(p) 135.67 289.67 T +(a) 141.22 289.67 T +(r) 146.15 289.67 T +(a) 149.87 289.67 T +(m) 154.8 289.67 T +(e) 163.41 289.67 T +(t) 168.35 289.67 T +(e) 171.46 289.67 T +(r) 176.39 289.67 T +(w) 183.32 289.67 T +(i) 191.32 289.67 T +(t) 194.42 289.67 T +(h) 197.53 289.67 T +(a) 206.3 289.67 T +(d) 214.45 289.67 T +(e) 220 289.67 T +(f) 224.93 289.67 T +(a) 228.65 289.67 T +(u) 233.59 289.67 T +(l) 239.14 289.67 T +(t) 242.25 289.67 T +(v) 248.57 289.67 T +(a) 254.12 289.67 T +(l) 259.06 289.67 T +(u) 262.17 289.67 T +(e) 267.72 289.67 T +(,) 272.65 289.67 T +(t) 278.67 289.67 T +(h) 281.78 289.67 T +(e) 287.33 289.67 T +(c) 295.48 289.67 T +(o) 300.41 289.67 T +(r) 305.96 289.67 T +(r) 309.68 289.67 T +(e) 313.39 289.67 T +(p) 318.33 289.67 T +(o) 323.88 289.67 T +(n) 329.43 289.67 T +(d) 334.98 289.67 T +(i) 340.53 289.67 T +(n) 343.64 289.67 T +(g) 349.2 289.67 T +(a) 357.96 289.67 T +(r) 362.9 289.67 T +(g) 366.61 289.67 T +(u) 372.16 289.67 T +(m) 377.71 289.67 T +(e) 386.32 289.67 T +(n) 391.26 289.67 T +(t) 396.81 289.67 T +(m) 403.13 289.67 T +(a) 411.74 289.67 T +(y) 416.68 289.67 T +(b) 425.44 289.67 T +(e) 430.99 289.67 T +(o) 439.14 289.67 T +(m) 444.69 289.67 T +(i) 453.3 289.67 T +(t) 456.41 289.67 T +(t) 459.52 289.67 T +(e) 462.63 289.67 T +(d) 467.57 289.67 T +(f) 476.33 289.67 T +(r) 480.05 289.67 T +(o) 483.76 289.67 T +(m) 489.31 289.67 T +(a) 501.14 289.67 T +(c) 509.29 289.67 T +(a) 514.22 289.67 T +(l) 519.16 289.67 T +(l) 522.27 289.67 T +(,) 525.38 289.67 T +(i) 531.39 289.67 T +(n) 534.5 289.67 T +(which) 72 276.67 T +(case) 101.47 276.67 T +(the) 122.99 276.67 T +(parameter\325s) 139.02 276.67 T +(default) 193.53 276.67 T +(value) 226.67 276.67 T +(is) 253.08 276.67 T +(substituted.) 263.01 276.67 T +(If) 316.02 276.67 T +(a) 325.93 276.67 T +(parameter) 333.41 276.67 T +(has) 379.97 276.67 T +(a) 397.22 276.67 T +(default) 404.7 276.67 T +(value,) 437.83 276.67 T +(all) 467 276.67 T +(following) 480.58 276.67 T +(pa-) 525.95 276.67 T +(rameters) 72 263.67 T +(must) 112.83 263.67 T +(also) 137.18 263.67 T +(have) 157.86 263.67 T +(a) 181.59 263.67 T +(default) 189.43 263.67 T +(value) 222.93 263.67 T +(\321) 249.71 263.67 T +(this) 263.67 263.67 T +(is) 282.52 263.67 T +(a) 292.82 263.67 T +(syntactic) 300.66 263.67 T +(restriction) 342.72 263.67 T +(that) 390.28 263.67 T +(is) 409.74 263.67 T +(not) 420.03 263.67 T +(expressed) 437.05 263.67 T +(by) 483.38 263.67 T +(the) 497.33 263.67 T +(gram-) 513.73 263.67 T +(mar.) 72 247.73 T 1 8.8 Q -(1) 91.86 255.07 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -1 11 Q -0.19 (Function call semantics are described in more detail in section \322Calls\323 on page) 72 225.67 P -0.19 (31. A function call always) 423.46 225.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.06 (assigns values to all parameters mentioned in the parameter list, either from position arguments, from key-) 72 212.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.19 (word arguments, or from default values. If the form) 72 199.67 P +(1) 91.86 252.13 T +1 11 Q +(Function) 72 222.73 T +(call) 114.06 222.73 T +(semantics) 132.88 222.73 T +(are) 179.2 222.73 T +(described) 195.57 222.73 T +(in) 240.66 222.73 T +(more) 252.16 222.73 T +(detail) 277.7 222.73 T +(in) 305.08 222.73 T +(section) 316.58 222.73 T +(\322Calls\323) 350.68 222.73 T +(on) 386 222.73 T +(page) 399.94 222.73 T +(31.) 423.46 222.73 T +(A) 440.15 222.73 T +(function) 451.03 222.73 T +(call) 490.63 222.73 T +(always) 509.45 222.73 T +(assigns) 72 209.73 T +(values) 106.46 209.73 T +(to) 137.26 209.73 T +(all) 148.5 209.73 T +(parameters) 162.18 209.73 T +(mentioned) 213.13 209.73 T +(in) 262.26 209.73 T +(the) 273.5 209.73 T +(parameter) 289.63 209.73 T +(list,) 336.29 209.73 T +(either) 355.18 209.73 T +(from) 382.91 209.73 T +(position) 406.98 209.73 T +(arguments,) 445.12 209.73 T +(from) 496.38 209.73 T +(key-) 520.45 209.73 T +(word) 72 196.73 T +(arguments,) 97.54 196.73 T +(or) 149.06 196.73 T +(from) 161.16 196.73 T +(default) 185.49 196.73 T +(values.) 218.97 196.73 T +(If) 252.77 196.73 T +(the) 263.03 196.73 T +(form) 279.41 196.73 T 2 10 Q -0.41 ("*identifier") 303.73 199.67 P -1 11 Q -0.19 ( is present, it is initialized to a tuple) 381.73 199.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K --0.2 (receiving any excess positional parameters, defaulting to the empty tuple. If the form) 72 186.67 P +("*identifier") 303.73 196.73 T +1 11 Q +(is) 384.67 196.73 T +(present,) 394.95 196.73 T +(it) 432.41 196.73 T +(is) 441.46 196.73 T +(initialized) 451.74 196.73 T +(to) 498.68 196.73 T +(a) 510.18 196.73 T +(tuple) 518 196.73 T +(receiving) 72 183.73 T +(any) 115.48 183.73 T +(excess) 133.92 183.73 T +(positional) 165.18 183.73 T +(parameters,) 211.13 183.73 T +(defaulting) 264.69 183.73 T +(to) 311.84 183.73 T +(the) 322.95 183.73 T +(empty) 338.95 183.73 T +(tuple.) 369 183.73 T +(If) 396.3 183.73 T +(the) 406.18 183.73 T +(form) 422.17 183.73 T 2 10 Q --0.43 ("**identifier") 446.11 186.67 P -1 11 Q --0.2 ( is) 530.11 186.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0.23 (present, it is initialized to a new dictionary receiving anyt excess keyword arguments, defaulting to a new) 72 173.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(empty dictionary.) 72 160.67 T -0 0 0 1 0 0 0 K +("**identifier") 446.11 183.73 T +1 11 Q +(is) 532.66 183.73 T +(present,) 72 170.73 T +(it) 109.5 170.73 T +(is) 118.59 170.73 T +(initialized) 128.9 170.73 T +(to) 175.88 170.73 T +(a) 187.41 170.73 T +(new) 195.28 170.73 T +(dictionary) 216.58 170.73 T +(receiving) 264.16 170.73 T +(anyt) 308.07 170.73 T +(excess) 329.99 170.73 T +(keyword) 361.68 170.73 T +(arguments,) 403.14 170.73 T +(defaulting) 454.7 170.73 T +(to) 502.28 170.73 T +(a) 513.81 170.73 T +(new) 521.67 170.73 T +(empty dictionary.) 72 157.73 T 72 98 540 113 C -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 81 111 225 111 2 L 0.5 H 2 Z 0 X -0 0 0 1 0 0 0 K N -0 0 0 1 0 0 0 K 0 0 612 792 C -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 11 Q 0 X -0 0 0 1 0 0 0 K (1.) 81 90.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -6.81 (Currently this is not checked; instead,) 94.5 90.67 P +(Currently) 94.5 90.67 T +(this) 146.22 90.67 T +(is) 171.67 90.67 T +(not) 188.56 90.67 T +(checked;) 212.18 90.67 T +(instead,) 260.82 90.67 T 2 F -16.33 (def f\050a=1,b\051) 304.29 90.67 P +(def) 304.29 90.67 T +(f\050a=1,b\051) 347.03 90.67 T 1 F -6.81 ( is interpreted as) 399.83 90.67 P +(is) 409.38 90.67 T +(interpreted) 426.27 90.67 T +(as) 483.48 90.67 T 2 F -16.33 (def) 502.2 90.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(def) 502.2 90.67 T (f\050a=1,b=None\051) 94.46 77.67 T 1 F (.) 180.26 77.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "50" 56 %%Page: "51" 57 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (51) 530 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 585 292.5 598.5 720 R 5 9 Q -(\245) 0 -90 592.5 720 TF -(Compound statements) 0 -90 592.5 711 TF +(\245) 0 270 592.5 720 TF +(Compound statements) 0 270 592.5 711 TF 585 292.5 598.5 720 R -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -1 11 Q --0.18 (It is also possible to create anonymous functions \050functions not initially bound to a name\051, for imme-) 99 712.67 P -0.41 0.18 (diate use in expressions. This uses lambda forms, described in section \322Boolean operations\323 on) 99 699.67 B --0.28 (page) 99 686.67 P --0.28 (35. Note that the lambda form is merely a shorthand for a simplified function definition; a func-) 122.52 686.67 P --0.15 (tion defined in a) 99 673.67 P -2 10 Q --0.32 ("def") 172.96 673.67 P 1 11 Q --0.15 ( statement can be passed around or assigned to another name just like a func-) 202.96 673.67 P -0.41 0.27 (tion defined by a lambda form. The) 99 660.67 B +(It) 99 712.67 T +(is) 108.29 712.67 T +(also) 118.19 712.67 T +(possible) 138.48 712.67 T +(to) 177.1 712.67 T +(create) 188.23 712.67 T +(anonymous) 217.05 712.67 T +(functions) 270.34 712.67 T +(\050functions) 313.85 712.67 T +(not) 361.02 712.67 T +(initially) 377.64 712.67 T +(bound) 414.44 712.67 T +(to) 444.51 712.67 T +(a) 455.63 712.67 T +(name\051,) 463.08 712.67 T +(for) 495.89 712.67 T +(imme-) 511.28 712.67 T +(d) 99 699.67 T +(i) 104.68 699.67 T +(a) 107.92 699.67 T +(t) 112.98 699.67 T +(e) 116.21 699.67 T +(u) 124.62 699.67 T +(s) 130.3 699.67 T +(e) 134.75 699.67 T +(i) 143.16 699.67 T +(n) 146.39 699.67 T +(e) 155.41 699.67 T +(x) 160.48 699.67 T +(p) 166.15 699.67 T +(r) 171.83 699.67 T +(e) 175.67 699.67 T +(s) 180.74 699.67 T +(s) 185.19 699.67 T +(i) 189.65 699.67 T +(o) 192.89 699.67 T +(n) 198.57 699.67 T +(s) 204.24 699.67 T +(.) 208.7 699.67 T +(T) 214.97 699.67 T +(h) 221.87 699.67 T +(i) 227.55 699.67 T +(s) 230.79 699.67 T +(u) 238.59 699.67 T +(s) 244.26 699.67 T +(e) 248.72 699.67 T +(s) 253.78 699.67 T +(l) 261.58 699.67 T +(a) 264.82 699.67 T +(m) 269.88 699.67 T +(b) 278.62 699.67 T +(d) 284.3 699.67 T +(a) 289.97 699.67 T +(f) 298.38 699.67 T +(o) 302.22 699.67 T +(r) 307.9 699.67 T +(m) 311.74 699.67 T +(s) 320.48 699.67 T +(,) 324.93 699.67 T +(d) 331.2 699.67 T +(e) 336.88 699.67 T +(s) 341.94 699.67 T +(c) 346.4 699.67 T +(r) 351.46 699.67 T +(i) 355.3 699.67 T +(b) 358.54 699.67 T +(e) 364.22 699.67 T +(d) 369.28 699.67 T +(i) 378.3 699.67 T +(n) 381.54 699.67 T +(s) 390.56 699.67 T +(e) 395.02 699.67 T +(c) 400.08 699.67 T +(t) 405.14 699.67 T +(i) 408.38 699.67 T +(o) 411.61 699.67 T +(n) 417.29 699.67 T +(\322) 426.31 699.67 T +(B) 431.37 699.67 T +(o) 438.89 699.67 T +(o) 444.57 699.67 T +(l) 450.25 699.67 T +(e) 453.48 699.67 T +(a) 458.55 699.67 T +(n) 463.61 699.67 T +(o) 472.63 699.67 T +(p) 478.31 699.67 T +(e) 483.98 699.67 T +(r) 489.05 699.67 T +(a) 492.89 699.67 T +(t) 497.95 699.67 T +(i) 501.19 699.67 T +(o) 504.42 699.67 T +(n) 510.1 699.67 T +(s) 515.78 699.67 T +(\323) 520.24 699.67 T +(o) 528.64 699.67 T +(n) 534.32 699.67 T +(page) 99 686.67 T +(35.) 122.52 686.67 T +(Note) 138.74 686.67 T +(that) 162.6 686.67 T +(the) 181.57 686.67 T +(lambda) 197.49 686.67 T +(form) 232.34 686.67 T +(is) 256.2 686.67 T +(merely) 266.01 686.67 T +(a) 299.03 686.67 T +(shorthand) 306.39 686.67 T +(for) 352.24 686.67 T +(a) 367.54 686.67 T +(simplified) 374.9 686.67 T +(function) 421.99 686.67 T +(definition;) 461.12 686.67 T +(a) 509.43 686.67 T +(func-) 516.79 686.67 T +(tion) 99 673.67 T +(defined) 118.72 673.67 T +(in) 154.31 673.67 T +(a) 165.47 673.67 T 2 10 Q -0.9 0.27 ("def") 270.1 660.67 B -1 11 Q -0.41 0.27 ( form is actually more powerful since it allows the) 301.43 660.67 B +("def") 172.96 673.67 T +1 11 Q +(statement) 205.56 673.67 T +(can) 250.33 673.67 T +(be) 268.2 673.67 T +(passed) 281.19 673.67 T +(around) 313.12 673.67 T +(or) 346.27 673.67 T +(assigned) 358.03 673.67 T +(to) 398.52 673.67 T +(another) 409.68 673.67 T +(name) 445.27 673.67 T +(just) 471.7 673.67 T +(like) 490.2 673.67 T +(a) 509.3 673.67 T +(func-) 516.79 673.67 T +(t) 99 660.67 T +(i) 102.32 660.67 T +(o) 105.65 660.67 T +(n) 111.42 660.67 T +(d) 120.61 660.67 T +(e) 126.38 660.67 T +(f) 131.53 660.67 T +(i) 135.46 660.67 T +(n) 138.79 660.67 T +(e) 144.55 660.67 T +(d) 149.71 660.67 T +(b) 158.9 660.67 T +(y) 164.67 660.67 T +(a) 173.87 660.67 T +(l) 182.45 660.67 T +(a) 185.77 660.67 T +(m) 190.92 660.67 T +(b) 199.75 660.67 T +(d) 205.52 660.67 T +(a) 211.28 660.67 T +(f) 219.86 660.67 T +(o) 223.79 660.67 T +(r) 229.56 660.67 T +(m) 233.49 660.67 T +(.) 242.32 660.67 T +(T) 248.76 660.67 T +(h) 255.75 660.67 T +(e) 261.52 660.67 T +2 10 Q +(") 270.1 660.67 T +(d) 276.37 660.67 T +(e) 282.63 660.67 T +(f) 288.9 660.67 T +(") 295.17 660.67 T +1 11 Q +(f) 304.86 660.67 T +(o) 308.79 660.67 T +(r) 314.56 660.67 T +(m) 318.49 660.67 T +(i) 330.75 660.67 T +(s) 334.07 660.67 T +(a) 342.05 660.67 T +(c) 347.2 660.67 T +(t) 352.35 660.67 T +(u) 355.67 660.67 T +(a) 361.44 660.67 T +(l) 366.59 660.67 T +(l) 369.92 660.67 T +(y) 373.24 660.67 T +(m) 382.44 660.67 T +(o) 391.27 660.67 T +(r) 397.03 660.67 T +(e) 400.96 660.67 T +(p) 409.54 660.67 T +(o) 415.31 660.67 T +(w) 421.08 660.67 T +(e) 429.29 660.67 T +(r) 434.44 660.67 T +(f) 438.37 660.67 T +(u) 442.3 660.67 T +(l) 448.07 660.67 T +(s) 454.82 660.67 T +(i) 459.37 660.67 T +(n) 462.69 660.67 T +(c) 468.46 660.67 T +(e) 473.61 660.67 T +(i) 482.19 660.67 T +(t) 485.52 660.67 T +(a) 492.27 660.67 T +(l) 497.42 660.67 T +(l) 500.75 660.67 T +(o) 504.07 660.67 T +(w) 509.84 660.67 T +(s) 518.05 660.67 T +(t) 526.02 660.67 T +(h) 529.35 660.67 T +(e) 535.12 660.67 T (execution of multiple statements.) 99 647.67 T 4 F -0.41 0.04 (Programmer\325s note:) 99 622.67 B -1 F -0.41 0.04 ( A) 195.65 622.67 B +(P) 99 622.67 T +(r) 105.76 622.67 T +(o) 110.68 622.67 T +(g) 116.21 622.67 T +(r) 121.75 622.67 T +(a) 126.67 622.67 T +(m) 132.2 622.67 T +(m) 141.4 622.67 T +(e) 150.6 622.67 T +(r) 155.52 622.67 T +(\325) 160.44 622.67 T +(s) 164.14 622.67 T +(n) 171.65 622.67 T +(o) 177.8 622.67 T +(t) 183.34 622.67 T +(e) 187.04 622.67 T +(:) 191.96 622.67 T +1 F +(A) 198.85 622.67 T 2 10 Q -0.9 0.04 ("def") 210.03 622.67 B -1 11 Q -0.41 0.04 ( form executed inside a function definition defines a local function) 240.21 622.67 B -0.41 0.01 (that can be returned or passed around. 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A standard trick to pass selected) 99 583.67 P +(not) 207.62 596.67 T +1 F +(have) 225.44 596.67 T +(access) 248.74 596.67 T +(to) 279.38 596.67 T +(the) 290.47 596.67 T +(local) 306.45 596.67 T +(variables) 330.37 596.67 T +(of) 372.62 596.67 T +(the) 384.32 596.67 T +(function) 400.3 596.67 T +(that) 439.5 596.67 T +(contains) 458.54 596.67 T +(its) 497.74 596.67 T +(defini-) 510.67 596.67 T +(tion;) 99 583.67 T +(the) 122.31 583.67 T +(same) 138.89 583.67 T +(rule) 164.63 583.67 T +(applies) 184.87 583.67 T +(to) 219.17 583.67 T +(functions) 230.86 583.67 T +(defined) 274.94 583.67 T +(by) 311.07 583.67 T +(a) 325.2 583.67 T +(lambda) 333.22 583.67 T +(form.) 368.74 583.67 T +(A) 396.02 583.67 T +(standard) 407.09 583.67 T +(trick) 447.5 583.67 T +(to) 470.8 583.67 T +(pass) 482.49 583.67 T +(selected) 504.57 583.67 T (local variables into a locally defined function is to use default argument values, like this:) 99 570.67 T 2 10 Q (# Return a function that returns its argument incremented by \325n\325) 99 552.33 T @@ -12207,96 +29985,488 @@ FrameNoSep (inheritance: "\050" [expression_list] "\051") 99 386.33 T (classname: identifier) 99 374.33 T 1 11 Q -0.41 0.05 (A class definition is an executable statement. It first evaluates the inheritance list, if present. Each) 99 349.67 B --0.52 (item in the inheritance list should evaluate to a class object. The class\325s suite is then executed in a new) 99 336.67 P --0.27 (execution frame \050see section \322Code blocks, execution frames, and name spaces\323 on page) 99 323.67 P --0.27 (23\051, using a) 488.9 323.67 P --0.11 (newly created local name space and the original global name space. \050Usually, the suite contains only) 99 310.67 P -0.25 (function definitions.\051 When the class\325s suite finishes execution, its execution frame is discarded but) 99 297.67 P -0.41 0.09 (its local name space is saved. A class object is then created using the inheritance list for the base) 99 284.67 B -0.41 0.01 (classes and the saved local name space for the attribute dictionary. The class name is bound to this) 99 271.67 B +(A) 99 349.67 T +(c) 110.19 349.67 T +(l) 115.12 349.67 T +(a) 118.23 349.67 T +(s) 123.15 349.67 T +(s) 127.48 349.67 T +(d) 135.01 349.67 T +(e) 140.55 349.67 T +(f) 145.48 349.67 T +(i) 149.19 349.67 T +(n) 152.29 349.67 T +(i) 157.84 349.67 T +(t) 160.94 349.67 T +(i) 164.04 349.67 T +(o) 167.15 349.67 T +(n) 172.69 349.67 T +(i) 181.45 349.67 T +(s) 184.55 349.67 T +(a) 192.08 349.67 T +(n) 197.01 349.67 T +(e) 205.76 349.67 T +(x) 210.69 349.67 T +(e) 216.23 349.67 T +(c) 221.16 349.67 T +(u) 226.09 349.67 T +(t) 231.64 349.67 T +(a) 234.74 349.67 T +(b) 239.67 349.67 T +(l) 245.21 349.67 T +(e) 248.32 349.67 T +(s) 256.45 349.67 T +(t) 260.78 349.67 T +(a) 263.88 349.67 T +(t) 268.81 349.67 T +(e) 271.91 349.67 T +(m) 276.84 349.67 T +(e) 285.44 349.67 T +(n) 290.37 349.67 T +(t) 295.92 349.67 T +(.) 299.02 349.67 T +(I) 305.02 349.67 T +(t) 308.73 349.67 T +(f) 315.04 349.67 T +(i) 318.75 349.67 T +(r) 321.85 349.67 T +(s) 325.56 349.67 T +(t) 329.88 349.67 T +(e) 336.19 349.67 T +(v) 341.12 349.67 T +(a) 346.67 349.67 T +(l) 351.6 349.67 T +(u) 354.7 349.67 T +(a) 360.24 349.67 T +(t) 365.17 349.67 T +(e) 368.27 349.67 T +(s) 373.2 349.67 T +(t) 380.73 349.67 T +(h) 383.84 349.67 T +(e) 389.38 349.67 T +(i) 397.52 349.67 T +(n) 400.62 349.67 T +(h) 406.17 349.67 T +(e) 411.71 349.67 T +(r) 416.64 349.67 T +(i) 420.35 349.67 T +(t) 423.45 349.67 T +(a) 426.55 349.67 T +(n) 431.48 349.67 T +(c) 437.03 349.67 T +(e) 441.96 349.67 T +(l) 450.09 349.67 T +(i) 453.2 349.67 T +(s) 456.3 349.67 T +(t) 460.62 349.67 T +(,) 463.73 349.67 T +(i) 469.73 349.67 T +(f) 472.83 349.67 T +(p) 479.75 349.67 T +(r) 485.29 349.67 T +(e) 489 349.67 T +(s) 493.93 349.67 T +(e) 498.25 349.67 T +(n) 503.18 349.67 T +(t) 508.73 349.67 T +(.) 511.83 349.67 T +(E) 517.83 349.67 T +(a) 524.6 349.67 T +(c) 529.53 349.67 T +(h) 534.45 349.67 T +(item) 99 336.67 T +(in) 120.79 336.67 T +(the) 131.57 336.67 T +(inheritance) 147.24 336.67 T +(list) 198.34 336.67 T +(should) 214.02 336.67 T +(evaluate) 245.58 336.67 T +(to) 284.46 336.67 T +(a) 295.25 336.67 T +(class) 302.36 336.67 T +(object.) 325.97 336.67 T +(The) 357.83 336.67 T +(class\325s) 377.16 336.67 T +(suite) 408.72 336.67 T +(is) 431.72 336.67 T +(then) 441.29 336.67 T +(executed) 462.46 336.67 T +(in) 503.78 336.67 T +(a) 514.56 336.67 T +(new) 521.67 336.67 T +(execution) 99 323.67 T +(frame) 144.25 323.67 T +(\050see) 172.38 323.67 T +(section) 192.57 323.67 T +(\322Code) 226.21 323.67 T +(blocks,) 256.8 323.67 T +(execution) 290.75 323.67 T +(frames,) 336 323.67 T +(and) 371.16 323.67 T +(name) 389.53 323.67 T +(spaces\323) 415.83 323.67 T +(on) 451.91 323.67 T +(page) 465.39 323.67 T +(23\051,) 488.9 323.67 T +(using) 508.8 323.67 T +(a) 535.12 323.67 T +(newly) 99 310.67 T +(created) 128.52 310.67 T +(local) 162.92 310.67 T +(name) 186.94 310.67 T +(space) 213.41 310.67 T +(and) 240.48 310.67 T +(the) 259 310.67 T +(original) 275.08 310.67 T +(global) 311.94 310.67 T +(name) 342.08 310.67 T +(space.) 368.55 310.67 T +(\050Usually,) 398.37 310.67 T +(the) 441.64 310.67 T +(suite) 457.72 310.67 T +(contains) 481.14 310.67 T +(only) 520.44 310.67 T +(function) 99 297.67 T +(definitions.\051) 138.66 297.67 T +(When) 195.13 297.67 T +(the) 224.39 297.67 T +(class\325s) 240.83 297.67 T +(suite) 273.15 297.67 T +(finishes) 296.93 297.67 T +(execution,) 334.14 297.67 T +(its) 382.66 297.67 T +(execution) 396.05 297.67 T +(frame) 441.81 297.67 T +(is) 470.46 297.67 T +(discarded) 480.79 297.67 T +(but) 525.94 297.67 T +(i) 99 284.67 T +(t) 102.15 284.67 T +(s) 105.3 284.67 T +(l) 112.93 284.67 T +(o) 116.08 284.67 T +(c) 121.67 284.67 T +(a) 126.65 284.67 T +(l) 131.62 284.67 T +(n) 138.03 284.67 T +(a) 143.62 284.67 T +(m) 148.6 284.67 T +(e) 157.25 284.67 T +(s) 165.48 284.67 T +(p) 169.85 284.67 T +(a) 175.44 284.67 T +(c) 180.42 284.67 T +(e) 185.4 284.67 T +(i) 193.63 284.67 T +(s) 196.78 284.67 T +(s) 204.4 284.67 T +(a) 208.77 284.67 T +(v) 213.75 284.67 T +(e) 219.34 284.67 T +(d) 224.32 284.67 T +(.) 229.91 284.67 T +(A) 236.01 284.67 T +(c) 247.3 284.67 T +(l) 252.27 284.67 T +(a) 255.43 284.67 T +(s) 260.4 284.67 T +(s) 264.77 284.67 T +(o) 272.4 284.67 T +(b) 277.99 284.67 T +(j) 283.58 284.67 T +(e) 286.73 284.67 T +(c) 291.71 284.67 T +(t) 296.69 284.67 T +(i) 303.09 284.67 T +(s) 306.24 284.67 T +(t) 313.87 284.67 T +(h) 317.02 284.67 T +(e) 322.61 284.67 T +(n) 327.59 284.67 T +(c) 336.43 284.67 T +(r) 341.41 284.67 T +(e) 345.17 284.67 T +(a) 350.14 284.67 T +(t) 355.12 284.67 T +(e) 358.27 284.67 T +(d) 363.25 284.67 T +(u) 372.09 284.67 T +(s) 377.69 284.67 T +(i) 382.06 284.67 T +(n) 385.21 284.67 T +(g) 390.8 284.67 T +(t) 399.65 284.67 T +(h) 402.8 284.67 T +(e) 408.39 284.67 T +(i) 416.62 284.67 T +(n) 419.77 284.67 T +(h) 425.36 284.67 T +(e) 430.96 284.67 T +(r) 435.93 284.67 T +(i) 439.69 284.67 T +(t) 442.84 284.67 T +(a) 445.99 284.67 T +(n) 450.97 284.67 T +(c) 456.56 284.67 T +(e) 461.53 284.67 T +(l) 469.77 284.67 T +(i) 472.92 284.67 T +(s) 476.07 284.67 T +(t) 480.44 284.67 T +(f) 486.84 284.67 T +(o) 490.6 284.67 T +(r) 496.19 284.67 T +(t) 503.2 284.67 T +(h) 506.35 284.67 T +(e) 511.94 284.67 T +(b) 520.17 284.67 T +(a) 525.77 284.67 T +(s) 530.74 284.67 T +(e) 535.11 284.67 T +(c) 99 271.67 T +(l) 103.89 271.67 T +(a) 106.96 271.67 T +(s) 111.85 271.67 T +(s) 116.14 271.67 T +(e) 120.42 271.67 T +(s) 125.32 271.67 T +(a) 132.77 271.67 T +(n) 137.66 271.67 T +(d) 143.17 271.67 T +(t) 151.85 271.67 T +(h) 154.92 271.67 T +(e) 160.43 271.67 T +(s) 168.49 271.67 T +(a) 172.77 271.67 T +(v) 177.67 271.67 T +(e) 183.17 271.67 T +(d) 188.07 271.67 T +(l) 196.74 271.67 T +(o) 199.81 271.67 T +(c) 205.32 271.67 T +(a) 210.21 271.67 T +(l) 215.1 271.67 T +(n) 221.34 271.67 T +(a) 226.85 271.67 T +(m) 231.74 271.67 T +(e) 240.3 271.67 T +(s) 248.37 271.67 T +(p) 252.65 271.67 T +(a) 258.16 271.67 T +(c) 263.05 271.67 T +(e) 267.95 271.67 T +(f) 276.01 271.67 T +(o) 279.68 271.67 T +(r) 285.19 271.67 T +(t) 292.03 271.67 T +(h) 295.09 271.67 T +(e) 300.6 271.67 T +(a) 308.66 271.67 T +(t) 313.56 271.67 T +(t) 316.62 271.67 T +(r) 319.69 271.67 T +(i) 323.36 271.67 T +(b) 326.42 271.67 T +(u) 331.93 271.67 T +(t) 337.44 271.67 T +(e) 340.51 271.67 T +(d) 348.57 271.67 T +(i) 354.08 271.67 T +(c) 357.14 271.67 T +(t) 362.04 271.67 T +(i) 365.1 271.67 T +(o) 368.17 271.67 T +(n) 373.67 271.67 T +(a) 379.18 271.67 T +(r) 384.07 271.67 T +(y) 387.74 271.67 T +(.) 393.25 271.67 T +(T) 399.18 271.67 T +(h) 405.91 271.67 T +(e) 411.42 271.67 T +(c) 419.48 271.67 T +(l) 424.37 271.67 T +(a) 427.44 271.67 T +(s) 432.33 271.67 T +(s) 436.62 271.67 T +(n) 444.08 271.67 T +(a) 449.58 271.67 T +(m) 454.47 271.67 T +(e) 463.04 271.67 T +(i) 471.1 271.67 T +(s) 474.17 271.67 T +(b) 481.63 271.67 T +(o) 487.13 271.67 T +(u) 492.64 271.67 T +(n) 498.15 271.67 T +(d) 503.66 271.67 T +(t) 512.34 271.67 T +(o) 515.4 271.67 T +(t) 524.08 271.67 T +(h) 527.15 271.67 T +(i) 532.65 271.67 T +(s) 535.72 271.67 T (class object in the original local name space.) 99 258.67 T 4 F -0.08 (Programmer\325s note:) 99 233.67 P -1 F -0.08 ( variables defined in the class definition are class variables; they are shared by) 194.68 233.67 P --0.03 (all instances. To define instance variables, they must be given a value in the the) 99 220.67 P -2 F --0.06 (__init__) 451.48 220.67 P -1 F --0.03 ( method) 504.27 220.67 P -0.41 0.41 (or in another method. Both class and instance variables are accessible through the notation) 99 207.67 B --0.34 (\322) 99 194.67 P -2 F --0.82 (self.name) 103.88 194.67 P -1 F --0.34 (\323, and an instance variable hides a class variable with the same name when accessed in) 163.28 194.67 P +(Programmer\325s) 99 233.67 T +(note:) 170.85 233.67 T +1 F +(variables) 197.51 233.67 T +(defined) 240.05 233.67 T +(in) 275.87 233.67 T +(the) 287.26 233.67 T +(class) 303.53 233.67 T +(definition) 327.74 233.67 T +(are) 373.35 233.67 T +(class) 389.61 233.67 T +(variables;) 413.83 233.67 T +(they) 459.43 233.67 T +(are) 481.2 233.67 T +(shared) 497.46 233.67 T +(by) 529 233.67 T +(all) 99 220.67 T +(instances.) 112.72 220.67 T +(To) 158.52 220.67 T +(define) 173.47 220.67 T +(instance) 203.68 220.67 T +(variables,) 242.46 220.67 T +(they) 287.64 220.67 T +(must) 309.31 220.67 T +(be) 333.43 220.67 T +(given) 346.53 220.67 T +(a) 373.7 220.67 T +(value) 381.31 220.67 T +(in) 407.86 220.67 T +(the) 419.14 220.67 T +(the) 435.31 220.67 T +2 F +(__init__) 451.48 220.67 T +1 F +(method) 507 220.67 T +(o) 99 207.67 T +(r) 104.91 207.67 T +(i) 112.57 207.67 T +(n) 116.04 207.67 T +(a) 125.53 207.67 T +(n) 130.83 207.67 T +(o) 136.74 207.67 T +(t) 142.66 207.67 T +(h) 146.13 207.67 T +(e) 152.04 207.67 T +(r) 157.34 207.67 T +(m) 164.99 207.67 T +(e) 173.97 207.67 T +(t) 179.26 207.67 T +(h) 182.74 207.67 T +(o) 188.65 207.67 T +(d) 194.56 207.67 T +(.) 200.48 207.67 T +(B) 207.22 207.67 T +(o) 214.97 207.67 T +(t) 220.88 207.67 T +(h) 224.35 207.67 T +(c) 233.85 207.67 T +(l) 239.14 207.67 T +(a) 242.62 207.67 T +(s) 247.91 207.67 T +(s) 252.61 207.67 T +(a) 260.88 207.67 T +(n) 266.17 207.67 T +(d) 272.09 207.67 T +(i) 281.58 207.67 T +(n) 285.05 207.67 T +(s) 290.96 207.67 T +(t) 295.66 207.67 T +(a) 299.13 207.67 T +(n) 304.43 207.67 T +(c) 310.34 207.67 T +(e) 315.64 207.67 T +(v) 324.51 207.67 T +(a) 330.43 207.67 T +(r) 335.73 207.67 T +(i) 339.8 207.67 T +(a) 343.27 207.67 T +(b) 348.57 207.67 T +(l) 354.49 207.67 T +(e) 357.96 207.67 T +(s) 363.26 207.67 T +(a) 371.53 207.67 T +(r) 376.83 207.67 T +(e) 380.9 207.67 T +(a) 389.78 207.67 T +(c) 395.08 207.67 T +(c) 400.37 207.67 T +(e) 405.67 207.67 T +(s) 410.97 207.67 T +(s) 415.66 207.67 T +(i) 420.36 207.67 T +(b) 423.83 207.67 T +(l) 429.74 207.67 T +(e) 433.21 207.67 T +(t) 442.09 207.67 T +(h) 445.56 207.67 T +(r) 451.47 207.67 T +(o) 455.55 207.67 T +(u) 461.46 207.67 T +(g) 467.38 207.67 T +(h) 473.29 207.67 T +(t) 482.78 207.67 T +(h) 486.26 207.67 T +(e) 492.17 207.67 T +(n) 501.04 207.67 T +(o) 506.96 207.67 T +(t) 512.87 207.67 T +(a) 516.34 207.67 T +(t) 521.64 207.67 T +(i) 525.11 207.67 T +(o) 528.59 207.67 T +(n) 534.5 207.67 T +(\322) 99 194.67 T +2 F +(self.name) 103.88 194.67 T +1 F +(\323,) 163.28 194.67 T +(and) 173.33 194.67 T +(an) 191.62 194.67 T +(instance) 204.41 194.67 T +(variable) 242.87 194.67 T +(hides) 280.7 194.67 T +(a) 306.33 194.67 T +(class) 313.63 194.67 T +(variable) 337.42 194.67 T +(with) 375.26 194.67 T +(the) 397.22 194.67 T +(same) 413.07 194.67 T +(name) 438.09 194.67 T +(when) 464.32 194.67 T +(accessed) 490.56 194.67 T +(in) 531.44 194.67 T (this way. Class variables with immutable values can be used as defaults for instance variables.) 99 181.67 T -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "51" 57 %%Page: "52" 58 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (52) 76.5 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "52" 58 %%Page: "53" 59 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (53) 530 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 585 292.5 598.5 720 R 5 9 Q -(\245) 0 -90 592.5 720 TF -(Top-level components) 0 -90 592.5 711 TF +(\245) 0 270 592.5 720 TF +(Top-level components) 0 270 592.5 711 TF 585 292.5 598.5 720 R -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 16 Q (C) 99 709.33 T 0 12.8 Q @@ -12312,52 +30482,319 @@ FrameNoSep (LEVEL) 231.6 709.33 T (COMPONENTS) 277.3 709.33 T 1 11 Q -0.14 (The Python interpreter can get its input from a number of sources: from a script passed to it as stan-) 99 672.67 P --0.54 (dard input or as program argument, typed in interactively, from a module source file, etc. This chapter) 99 659.67 P +(The) 99 672.67 T +(Python) 118.99 672.67 T +(interpreter) 153.05 672.67 T +(can) 201.75 672.67 T +(get) 219.91 672.67 T +(its) 236.24 672.67 T +(input) 249.52 672.67 T +(from) 275.02 672.67 T +(a) 299.29 672.67 T +(number) 307.06 672.67 T +(of) 343.55 672.67 T +(sources:) 355.6 672.67 T +(from) 394.54 672.67 T +(a) 418.81 672.67 T +(script) 426.58 672.67 T +(passed) 453.91 672.67 T +(to) 486.12 672.67 T +(it) 497.56 672.67 T +(as) 506.57 672.67 T +(stan-) 518.62 672.67 T +(dard) 99 659.67 T +(input) 120.75 659.67 T +(or) 145.58 659.67 T +(as) 156.95 659.67 T +(program) 168.32 659.67 T +(argument,) 207.79 659.67 T +(typed) 254.29 659.67 T +(in) 280.94 659.67 T +(interactively,) 291.71 659.67 T +(from) 351.65 659.67 T +(a) 375.24 659.67 T +(module) 382.34 659.67 T +(source) 417.54 659.67 T +(file,) 448.46 659.67 T +(etc.) 468.08 659.67 T +(This) 485.86 659.67 T +(chapter) 507.63 659.67 T (gives the syntax used in these cases.) 99 646.67 T 0 14 Q (8.1) 99 619.67 T (Complete Python programs) 135 619.67 T 1 11 Q --0.46 (While a language specification need not prescribe how the language interpreter is invoked, it is useful) 99 594.67 P -0.35 (to have a notion of a complete Python program. A complete Python program is executed in a mini-) 99 581.67 P --0.51 (mally initialized environment: all built-in and standard modules are available, but none have been ini-) 99 568.67 P -0.92 (tialized, except for) 99 555.67 P -2 F -2.2 (sys) 186.68 555.67 P -1 F -0.92 ( \050various system services\051,) 206.48 555.67 P -2 F -2.2 (__builtin__) 329.6 555.67 P -1 F -0.92 ( \050built-in functions, exceptions) 402.2 555.67 P --0.06 (and) 99 542.67 P -2 F --0.16 (None) 117.57 542.67 P -1 F --0.06 (\051 and) 143.97 542.67 P -2 F --0.16 (__main__) 168.88 542.67 P -1 F --0.06 (. The latter is used to provide the local and global name space for execu-) 221.68 542.67 P +(While) 99 594.67 T +(a) 128.18 594.67 T +(language) 135.35 594.67 T +(specification) 177.36 594.67 T +(need) 235.86 594.67 T +(not) 258.92 594.67 T +(prescribe) 275.27 594.67 T +(how) 317.88 594.67 T +(the) 339.11 594.67 T +(language) 354.85 594.67 T +(interpreter) 396.85 594.67 T +(is) 444.96 594.67 T +(invoked,) 454.59 594.67 T +(it) 495.08 594.67 T +(is) 503.49 594.67 T +(useful) 513.12 594.67 T +(to) 99 581.67 T +(have) 110.66 581.67 T +(a) 134.52 581.67 T +(notion) 142.51 581.67 T +(of) 173.72 581.67 T +(a) 185.99 581.67 T +(complete) 193.97 581.67 T +(Python) 237.39 581.67 T +(program.) 271.67 581.67 T +(A) 314.79 581.67 T +(complete) 325.83 581.67 T +(Python) 369.25 581.67 T +(program) 403.52 581.67 T +(is) 443.89 581.67 T +(executed) 454.33 581.67 T +(in) 496.52 581.67 T +(a) 508.18 581.67 T +(mini-) 516.16 581.67 T +(mally) 99 568.67 T +(initialized) 126.29 568.67 T +(environment:) 172.53 568.67 T +(all) 233.43 568.67 T +(built-in) 246.66 568.67 T +(and) 281.3 568.67 T +(standard) 299.42 568.67 T +(modules) 338.92 568.67 T +(are) 378.43 568.67 T +(available,) 394.1 568.67 T +(but) 438.8 568.67 T +(none) 455.09 568.67 T +(have) 478.71 568.67 T +(been) 501.72 568.67 T +(ini-) 524.72 568.67 T +(tialized,) 99 555.67 T +(except) 137.8 555.67 T +(for) 170.18 555.67 T +2 F +(sys) 186.68 555.67 T +1 F +(\050various) 210.14 555.67 T +(system) 249.86 555.67 T +(services\051,) 284.08 555.67 T +2 F +(__builtin__) 329.6 555.67 T +1 F +(\050built-in) 405.87 555.67 T +(functions,) 445.59 555.67 T +(exceptions) 492.95 555.67 T +(and) 99 542.67 T +2 F +(None) 117.57 542.67 T +1 F +(\051) 143.97 542.67 T +(and) 150.32 542.67 T +2 F +(__main__) 168.88 542.67 T +1 F +(.) 221.68 542.67 T +(The) 227.12 542.67 T +(latter) 246.91 542.67 T +(is) 272.2 542.67 T +(used) 282.22 542.67 T +(to) 305.07 542.67 T +(provide) 316.31 542.67 T +(the) 352.6 542.67 T +(local) 368.73 542.67 T +(and) 392.8 542.67 T +(global) 411.36 542.67 T +(name) 441.55 542.67 T +(space) 468.06 542.67 T +(for) 495.17 542.67 T +(execu-) 510.68 542.67 T (tion of the complete program.) 99 529.67 T (The syntax for a complete Python program is that for file input, described in the next section.) 99 504.67 T -0.21 (The interpreter may also be invoked in interactive mode; in this case, it does not read and execute a) 99 479.67 P -0.41 0.02 (complete program but reads and executes one statement \050possibly compound\051 at a time. The initial) 99 466.67 B --0.16 (environment is identical to that of a complete program; each statement is executed in the name space) 99 453.67 P +(The) 99 479.67 T +(interpreter) 119.07 479.67 T +(may) 167.85 479.67 T +(also) 189.75 479.67 T +(be) 210.44 479.67 T +(invoked) 223.78 479.67 T +(in) 262.19 479.67 T +(interactive) 273.71 479.67 T +(mode;) 323.1 479.67 T +(in) 353.57 479.67 T +(this) 365.09 479.67 T +(case,) 383.95 479.67 T +(it) 408.59 479.67 T +(does) 417.67 479.67 T +(not) 440.8 479.67 T +(read) 457.82 479.67 T +(and) 479.71 479.67 T +(execute) 498.56 479.67 T +(a) 535.11 479.67 T +(c) 99 466.67 T +(o) 103.9 466.67 T +(m) 109.42 466.67 T +(p) 118 466.67 T +(l) 123.51 466.67 T +(e) 126.59 466.67 T +(t) 131.49 466.67 T +(e) 134.57 466.67 T +(p) 142.65 466.67 T +(r) 148.17 466.67 T +(o) 151.85 466.67 T +(g) 157.37 466.67 T +(r) 162.88 466.67 T +(a) 166.57 466.67 T +(m) 171.47 466.67 T +(b) 183.22 466.67 T +(u) 188.74 466.67 T +(t) 194.26 466.67 T +(r) 200.52 466.67 T +(e) 204.2 466.67 T +(a) 209.1 466.67 T +(d) 214 466.67 T +(s) 219.52 466.67 T +(a) 227 466.67 T +(n) 231.9 466.67 T +(d) 237.42 466.67 T +(e) 246.11 466.67 T +(x) 251.02 466.67 T +(e) 256.53 466.67 T +(c) 261.44 466.67 T +(u) 266.34 466.67 T +(t) 271.86 466.67 T +(e) 274.93 466.67 T +(s) 279.83 466.67 T +(o) 287.31 466.67 T +(n) 292.83 466.67 T +(e) 298.35 466.67 T +(s) 306.43 466.67 T +(t) 310.73 466.67 T +(a) 313.8 466.67 T +(t) 318.7 466.67 T +(e) 321.78 466.67 T +(m) 326.68 466.67 T +(e) 335.26 466.67 T +(n) 340.16 466.67 T +(t) 345.68 466.67 T +(\050) 351.93 466.67 T +(p) 355.61 466.67 T +(o) 361.13 466.67 T +(s) 366.65 466.67 T +(s) 370.95 466.67 T +(i) 375.24 466.67 T +(b) 378.32 466.67 T +(l) 383.84 466.67 T +(y) 386.91 466.67 T +(c) 395.61 466.67 T +(o) 400.51 466.67 T +(m) 406.03 466.67 T +(p) 414.61 466.67 T +(o) 420.13 466.67 T +(u) 425.64 466.67 T +(n) 431.16 466.67 T +(d) 436.68 466.67 T +(\051) 442.2 466.67 T +(a) 449.06 466.67 T +(t) 453.96 466.67 T +(a) 460.22 466.67 T +(t) 468.3 466.67 T +(i) 471.38 466.67 T +(m) 474.45 466.67 T +(e) 483.03 466.67 T +(.) 487.93 466.67 T +(T) 493.88 466.67 T +(h) 500.62 466.67 T +(e) 506.14 466.67 T +(i) 514.22 466.67 T +(n) 517.29 466.67 T +(i) 522.81 466.67 T +(t) 525.89 466.67 T +(i) 528.96 466.67 T +(a) 532.04 466.67 T +(l) 536.94 466.67 T +(environment) 99 453.67 T +(is) 157.19 453.67 T +(identical) 167.12 453.67 T +(to) 207.59 453.67 T +(that) 218.74 453.67 T +(of) 237.83 453.67 T +(a) 249.58 453.67 T +(complete) 257.05 453.67 T +(program;) 299.96 453.67 T +(each) 342.88 453.67 T +(statement) 365.62 453.67 T +(is) 410.37 453.67 T +(executed) 420.3 453.67 T +(in) 461.98 453.67 T +(the) 473.12 453.67 T +(name) 489.15 453.67 T +(space) 515.57 453.67 T (of) 99 440.67 T 2 F (__main__) 110.91 440.67 T 1 F (.) 163.71 440.67 T -0.11 (Under UNIX , a complete program can be passed to the interpreter in three forms: with the) 99 415.67 P +(Under) 99 415.67 T +(UNIX) 129.35 415.67 T +(,) 159.7 415.67 T +(a) 165.31 415.67 T +(complete) 173.06 415.67 T +(program) 216.25 415.67 T +(can) 256.38 415.67 T +(be) 274.51 415.67 T +(passed) 287.75 415.67 T +(to) 319.94 415.67 T +(the) 331.36 415.67 T +(interpreter) 347.66 415.67 T +(in) 396.34 415.67 T +(three) 407.76 415.67 T +(forms:) 432.61 415.67 T +(with) 464.19 415.67 T +(the) 486.61 415.67 T 4 F -0.11 (-c) 502.92 415.67 P +(-c) 502.92 415.67 T 3 F -0.11 (string) 514.33 415.67 P -1 F --0.2 (command line option, as a file passed as the first command line argument, or as standard input. If the) 99 402.67 P --0.28 (file or standard input is a tty device, the interpreter enters interactive mode; otherwise, it executes the) 99 389.67 P +(string) 514.33 415.67 T +1 F +(command) 99 402.67 T +(line) 144.94 402.67 T +(option,) 163.99 402.67 T +(as) 197.41 402.67 T +(a) 209.13 402.67 T +(file) 216.57 402.67 T +(passed) 233.79 402.67 T +(as) 265.67 402.67 T +(the) 277.38 402.67 T +(first) 293.38 402.67 T +(command) 313.65 402.67 T +(line) 359.59 402.67 T +(argument,) 378.65 402.67 T +(or) 425.5 402.67 T +(as) 437.22 402.67 T +(standard) 448.93 402.67 T +(input.) 488.76 402.67 T +(If) 516.68 402.67 T +(the) 526.56 402.67 T +(file) 99 389.67 T +(or) 116.14 389.67 T +(standard) 127.77 389.67 T +(input) 167.52 389.67 T +(is) 192.61 389.67 T +(a) 202.42 389.67 T +(tty) 209.78 389.67 T +(device,) 223.87 389.67 T +(the) 257.8 389.67 T +(interpreter) 273.72 389.67 T +(enters) 322.01 389.67 T +(interactive) 350.75 389.67 T +(mode;) 399.65 389.67 T +(otherwise,) 429.63 389.67 T +(it) 477.62 389.67 T +(executes) 486.21 389.67 T +(the) 526.56 389.67 T (file as a complete program.) 99 376.67 T 0 14 Q (8.2) 99 349.67 T @@ -12386,4025 +30823,2544 @@ FrameNoSep 2 10 Q (interactive_input: [stmt_list] NEWLINE | compound_stmt NEWLINE) 99 154.33 T 1 11 Q --0.43 (Note that a \050top-level\051 compound statement must be followed by a blank line in interactive mode; this) 99 129.67 P +(Note) 99 129.67 T +(that) 122.7 129.67 T +(a) 141.52 129.67 T +(\050top-level\051) 148.73 129.67 T +(compound) 197.47 129.67 T +(statement) 246.24 129.67 T +(must) 290.72 129.67 T +(be) 314.43 129.67 T +(followed) 327.13 129.67 T +(by) 368.56 129.67 T +(a) 381.88 129.67 T +(blank) 389.08 129.67 T +(line) 415.84 129.67 T +(in) 434.66 129.67 T +(interactive) 445.54 129.67 T +(mode;) 494.29 129.67 T +(this) 524.1 129.67 T (is needed to help the parser detect the end of the input.) 99 116.67 T -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "53" 59 %%Page: "54" 60 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (54) 76.5 37.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 14 Q (8.4) 72 710.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (Expression input) 108 710.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q --0.1 (There are two forms of expression input. Both ignore leading whitespace. The string argument to) 72 685.67 P -2 F --0.23 (eval\050\051) 500.4 685.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(There) 72 685.67 T +(are) 100.31 685.67 T +(two) 116.39 685.67 T +(forms) 135.54 685.67 T +(of) 163.86 685.67 T +(expression) 175.68 685.67 T +(input.) 225.38 685.67 T +(Both) 253.4 685.67 T +(ignore) 277.45 685.67 T +(leading) 308.2 685.67 T +(whitespace.) 343.24 685.67 T +(The) 397.52 685.67 T +(string) 417.28 685.67 T +(argument) 444.99 685.67 T +(to) 489.19 685.67 T +2 F +(eval\050\051) 500.4 685.67 T 1 F (must have the following form:) 72 672.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 10 Q (eval_input: expression_list NEWLINE*) 72 654.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q (The input line read by) 72 629.67 T 2 F (input\050\051) 171.9 629.67 T 1 F ( must have the following form:) 218.1 629.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 2 10 Q (input_input: expression_list NEWLINE) 72 611.33 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q -0.37 (Note: to read \324raw\325 input line without interpretation, you can use the built-in function) 72 586.67 P -2 F -0.89 (raw_input\050\051) 455.12 586.67 P -1 F -0.37 ( or) 527.72 586.67 P -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(Note:) 72 586.67 T +(to) 99.56 586.67 T +(read) 111.24 586.67 T +(\324raw\325) 133.29 586.67 T +(input) 160.23 586.67 T +(line) 185.96 586.67 T +(without) 205.59 586.67 T +(interpretation,) 242.32 586.67 T +(you) 307.46 586.67 T +(can) 327.08 586.67 T +(use) 345.47 586.67 T +(the) 363.25 586.67 T +(built-in) 379.82 586.67 T +(function) 415.33 586.67 T +2 F +(raw_input\050\051) 455.12 586.67 T +1 F +(or) 530.84 586.67 T (the) 72 573.67 T 2 F (readline\050\051) 88.19 573.67 T 1 F ( method of file objects.) 154.19 573.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "54" 60 %%Page: "55" 61 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep +0 0 0 1 0 0 0 1 K 1 10 Q 0 X -0 0 0 1 0 0 0 K (55) 525.5 32.83 T -0 0 0 1 0 0 0 K 315 639 315 63 2 L 0.5 H 2 Z N 85.5 639 85.5 63 2 L N -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 12 Q (Symbols) 94.5 631 T 1 11 Q (#) 94.5 617.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . . . . . . .) 104.5 617.67 T (3) 264.5 617.67 T (__abs__) 94.5 604.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . .) 134.75 604.67 T (21) 259 604.67 T (__add__) 94.5 591.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . .) 137.5 591.67 T (21) 259 591.67 T (__and__) 94.5 578.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . .) 137.5 578.67 T (21) 259 578.67 T (__bases__) 94.5 565.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . .) 145.75 565.67 T (16) 259 565.67 T (__builtin__) 94.5 552.67 T -0 0 0 1 0 0 0 K -0 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1 0 0 0 K (. . . . . . . . . . . . . . . .) 154 318.67 T (18) 242 318.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 253 318.67 T -0 0 0 1 0 0 0 K 1 11 Q (20) 259 318.67 T (__getslice__) 94.5 305.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . .) 154 305.67 T (20) 259 305.67 T (__hash__) 94.5 292.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . .) 140.25 292.67 T (19) 259 292.67 T (__hex__) 94.5 279.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . .) 137.5 279.67 T (22) 259 279.67 T (__init__) 94.5 266.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . .) 134.75 266.67 T (15) 242 266.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 253 266.67 T -0 0 0 1 0 0 0 K 1 11 Q (18) 259 266.67 T (__int__) 94.5 253.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . .) 132 253.67 T (22) 259 253.67 T (__invert__) 94.5 240.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . 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84.67 T (22) 259 84.67 T (__or__) 94.5 71.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . .) 129.25 71.67 T (21) 259 71.67 T (__pos__) 324 631.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . .) 365.75 631.67 T (21) 488.5 631.67 T (__pow__) 324 618.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . .) 368.5 618.67 T (21) 488.5 618.67 T (__radd__) 324 605.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . .) 371.25 605.67 T (21) 488.5 605.67 T (__rand__) 324 592.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . .) 371.25 592.67 T (21) 488.5 592.67 T (__rdiv__) 324 579.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . .) 368.5 579.67 T (21) 488.5 579.67 T (__rdivmod__) 324 566.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . .) 387.75 566.67 T (21) 488.5 566.67 T (__repr__) 324 553.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . .) 368.5 553.67 T (19) 488.5 553.67 T (__rlshift__) 324 540.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . .) 376.75 540.67 T (21) 488.5 540.67 T (__rmod__) 324 527.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . .) 374 527.67 T (21) 488.5 527.67 T (__rmul__) 324 514.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . .) 371.25 514.67 T (21) 488.5 514.67 T (__ror__) 324 501.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . .) 363 501.67 T (21) 488.5 501.67 T (__rpow__) 324 488.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . .) 374 488.67 T (21) 488.5 488.67 T (__rrshift__) 324 475.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . .) 376.75 475.67 T (21) 488.5 475.67 T (__rshift__) 324 462.67 T -0 0 0 1 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-(20) 488.5 384.67 T +(21) 488.5 384.67 T (__str__) 324 371.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . .) 360.25 371.67 T (19) 488.5 371.67 T (__sub__) 324 358.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . .) 365.75 358.67 T (21) 488.5 358.67 T (__xor__) 324 345.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . .) 365.75 345.67 T (21) 488.5 345.67 T 0 12 Q (A) 324 324 T 1 11 Q (abstraction) 324 310.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . .) 376.75 310.67 T (11) 488.5 310.67 T (addition) 324 297.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . .) 365.75 297.67 T (33) 488.5 297.67 T (and) 324 284.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . . . . . .) 343.75 284.67 T -(35) 488.5 284.67 T (bit-wise) 342 271.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . 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296.13 670 S -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "55" 61 %%Page: "56" 62 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 0 12 Q 0 X -0 0 0 1 0 0 0 K 4.8 (I) 270 748 S 0 9.6 Q 4.8 (NDEX) 278.13 748 S -0 0 0 1 0 0 0 K 1 10 Q (56) 76.5 32.83 T -0 0 0 1 0 0 0 K 297 720 297 63 2 L 0.5 H 2 Z N 67.5 720 67.5 63 2 L N -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q (target) 112.5 712.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . .) 143 712.67 T (40) 241 712.67 T (slicing) 94.5 699.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . .) 129.25 699.67 T (41) 241 699.67 T (subscription) 94.5 686.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . .) 154 686.67 T (41) 241 686.67 T (atom) 76.5 673.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . .) 101.75 673.67 T (27) 241 673.67 T (attribute) 76.5 660.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . .) 118.25 660.67 T (12) 241 660.67 T (class) 94.5 647.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . .) 121 647.67 T (16) 241 647.67 T (class instance) 94.5 634.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . .) 159.5 634.67 T (16) 241 634.67 T (generic) 94.5 621.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . .) 132 621.67 T (12) 241 621.67 T (special) 94.5 608.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . .) 129.25 608.67 T (12) 241 608.67 T (attribute access) 76.5 595.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . .) 148.5 595.67 T (19) 241 595.67 T (attribute search) 76.5 582.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . .) 148.5 582.67 T (15) 241 582.67 T (AttributeError) 76.5 569.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . .) 143 569.67 T (19) 207 569.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 218 569.67 T -0 0 0 1 0 0 0 K 1 11 Q (29) 224 569.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 235 569.67 T -0 0 0 1 0 0 0 K 1 11 Q (40) 241 569.67 T 0 12 Q (B) 76.5 548 T 1 11 Q (back-quotes) 76.5 534.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . .) 134.75 534.67 T (19) 224 534.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 235 534.67 T -0 0 0 1 0 0 0 K 1 11 Q (29) 241 534.67 T (backslash) 76.5 521.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . .) 123.75 521.67 T (6) 246.5 521.67 T (backslash character) 76.5 508.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . .) 167.75 508.67 T (3) 246.5 508.67 T (binary arithmetic operations) 76.5 495.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . .) 206.25 495.67 T (21) 241 495.67 T (binding) 76.5 482.67 T (name) 94.5 469.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . .) 123.75 469.67 T (27) 173 469.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 184 469.67 T -0 0 0 1 0 0 0 K 1 11 Q (43) 190 469.67 T -0 0 0 1 0 0 0 K 1 12 Q (\320) 201 469.67 T -0 0 0 1 0 0 0 K 1 11 Q (44) 207 469.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 218 469.67 T -0 0 0 1 0 0 0 K 1 11 Q (50) 224 469.67 T -0 0 0 1 0 0 0 K 1 12 Q (\320) 235 469.67 T -0 0 0 1 0 0 0 K 1 11 Q (51) 241 469.67 T (global) 112.5 456.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . .) 143 456.67 T (44) 241 456.67 T (bitwise operations) 76.5 443.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . .) 162.25 443.67 T (21) 241 443.67 T (blank line) 76.5 430.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . .) 123.75 430.67 T (4) 246.5 430.67 T (block) 76.5 417.67 T (code) 94.5 404.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . .) 121 404.67 T (23) 241 404.67 T (BNF) 76.5 391.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . .) 101.75 391.67 T (1) 229.5 391.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 235 391.67 T -0 0 0 1 0 0 0 K 1 11 Q (27) 241 391.67 T (break) 76.5 378.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . .) 104.5 378.67 T (43) 207 378.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 218 378.67 T -0 0 0 1 0 0 0 K 1 11 Q (48) 224 378.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 235 378.67 T -0 0 0 1 0 0 0 K 1 11 Q (50) 241 378.67 T (built-in) 76.5 365.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . .) 112.75 365.67 T (15) 224 365.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 235 365.67 T -0 0 0 1 0 0 0 K 1 11 Q (32) 241 365.67 T (built-in method) 76.5 352.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . .) 148.5 352.67 T (32) 241 352.67 T (byte) 76.5 339.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . . . .) 99 339.67 T (13) 241 339.67 T (bytecode) 76.5 326.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . .) 121 326.67 T (16) 241 326.67 T (byte-compile) 76.5 313.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . .) 140.25 313.67 T (16) 241 313.67 T 0 12 Q (C) 76.5 292 T 1 11 Q (C) 76.5 278.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . .) 88 278.67 T (7) 195.5 278.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 201 278.67 T -0 0 0 1 0 0 0 K 1 11 Q (12) 207 278.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 218 278.67 T -0 0 0 1 0 0 0 K 1 11 Q (15) 224 278.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 235 278.67 T -0 0 0 1 0 0 0 K 1 11 Q (34) 241 278.67 T (call) 76.5 265.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . . .) 96.25 265.67 T (31) 241 265.67 T (built-in function) 94.5 252.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . .) 170.5 252.67 T (32) 241 252.67 T (built-in method) 94.5 239.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . .) 167.75 239.67 T (32) 241 239.67 T (class instance) 94.5 226.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . .) 159.5 226.67 T (32) 241 226.67 T (class object) 94.5 213.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . .) 151.25 213.67 T (15) 207 213.67 T -0 0 0 1 0 0 0 K 1 12 Q (\320) 218 213.67 T -0 0 0 1 0 0 0 K 1 11 Q (16) 224 213.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 235 213.67 T -0 0 0 1 0 0 0 K 1 11 Q (32) 241 213.67 T (function) 94.5 200.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . .) 134.75 200.67 T (32) 241 200.67 T (user-defined) 112.5 187.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . .) 170.5 187.67 T (32) 241 187.67 T (function invocation) 94.5 174.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . .) 184.25 174.67 T (14) 241 174.67 T (instance) 94.5 161.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . .) 134.75 161.67 T (32) 241 161.67 T (method) 94.5 148.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . .) 132 148.67 T (32) 241 148.67 T (procedure) 94.5 135.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . .) 143 135.67 T (39) 241 135.67 T (callable) 76.5 122.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . .) 115.5 122.67 T (14) 224 122.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 235 122.67 T -0 0 0 1 0 0 0 K 1 11 Q (31) 241 122.67 T (characters) 76.5 109.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . .) 126.5 109.67 T (30) 241 109.67 T (chr) 76.5 96.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . . .) 96.25 96.67 T (13) 241 96.67 T (circular references) 76.5 83.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . .) 162.25 83.67 T (11) 241 83.67 T (class) 76.5 70.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . .) 101.75 70.67 T (15) 190 70.67 T -0 0 0 1 0 0 0 K 1 12 Q (\320) 201 70.67 T -0 0 0 1 0 0 0 K 1 11 Q (16) 207 70.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 218 70.67 T -0 0 0 1 0 0 0 K 1 11 Q (32) 224 70.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 235 70.67 T -0 0 0 1 0 0 0 K 1 11 Q (51) 241 70.67 T (class instance) 306 712.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . .) 371.25 712.67 T (15) 470.5 712.67 T (clause) 306 699.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . .) 338.25 699.67 T (47) 470.5 699.67 T (close) 306 686.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . .) 332.75 686.67 T (11) 470.5 686.67 T (code block) 306 673.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . .) 357.5 673.67 T (23) 436.5 673.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 447.5 673.67 T -0 0 0 1 0 0 0 K 1 11 Q (27) 453.5 673.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 464.5 673.67 T -0 0 0 1 0 0 0 K 1 11 Q (44) 470.5 673.67 T (code generation phase) 306 660.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . .) 407 660.67 T (41) 470.5 660.67 T (code object) 306 647.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . .) 360.25 647.67 T (16) 470.5 647.67 T (co_argcount) 324 634.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . .) 382.25 634.67 T (17) 470.5 634.67 T (co_code) 324 621.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . .) 365.75 621.67 T (17) 470.5 621.67 T (co_consts) 324 608.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . .) 371.25 608.67 T (17) 470.5 608.67 T (co_filename) 324 595.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . .) 382.25 595.67 T (17) 470.5 595.67 T (co_flags) 324 582.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . .) 365.75 582.67 T (17) 470.5 582.67 T (co_names) 324 569.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . .) 371.25 569.67 T (17) 470.5 569.67 T (co_nlocals) 324 556.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . .) 376.75 556.67 T (17) 470.5 556.67 T (co_varnames) 324 543.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . .) 387.75 543.67 T (17) 470.5 543.67 T (coercion) 306 530.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . .) 349.25 530.67 T (27) 453.5 530.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 464.5 530.67 T -0 0 0 1 0 0 0 K 1 11 Q (32) 470.5 530.67 T (coercion rules) 306 517.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . .) 371.25 517.67 T (22) 470.5 517.67 T (colon) 306 504.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . . .) 335.5 504.67 T (47) 470.5 504.67 T (comma) 306 491.67 T (trailing) 324 478.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . .) 360.25 478.67 T (36) 453.5 478.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 464.5 478.67 T -0 0 0 1 0 0 0 K 1 11 Q (42) 470.5 478.67 T (comma operator) 306 465.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . .) 382.25 465.67 T (28) 470.5 465.67 T (command line) 306 452.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . .) 374 452.67 T (53) 470.5 452.67 T (comment) 306 439.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . .) 352 439.67 T (3) 476 439.67 T (comparison) 306 426.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . .) 363 426.67 T (34) 470.5 426.67 T (chaining) 324 413.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . .) 365.75 413.67 T (34) 470.5 413.67 T (comparison operator) 306 400.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . .) 401.5 400.67 T (9) 476 400.67 T (compile) 306 387.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . .) 346.5 387.67 T (44) 470.5 387.67 T (complex literal) 306 374.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . .) 376.75 374.67 T (9) 476 374.67 T (complex number) 306 361.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . .) 385 361.67 T (9) 442 361.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 447.5 361.67 T -0 0 0 1 0 0 0 K 1 11 Q (13) 453.5 361.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 464.5 361.67 T -0 0 0 1 0 0 0 K 1 11 Q (27) 470.5 361.67 T (constant) 306 348.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . .) 346.5 348.67 T (6) 476 348.67 T (constructor) 306 335.67 T (class) 324 322.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . .) 349.25 322.67 T (18) 470.5 322.67 T (container) 306 309.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . .) 352 309.67 T (11) 453.5 309.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 464.5 309.67 T -0 0 0 1 0 0 0 K 1 11 Q (16) 470.5 309.67 T (continue) 306 296.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . .) 349.25 296.67 T (43) 436.5 296.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 447.5 296.67 T -0 0 0 1 0 0 0 K 1 11 Q (48) 453.5 296.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 464.5 296.67 T -0 0 0 1 0 0 0 K 1 11 Q (50) 470.5 296.67 T (conversion) 306 283.67 T (arithmetic) 324 270.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . .) 374 270.67 T (27) 470.5 270.67 T (string) 324 257.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . .) 354.75 257.67 T (19) 436.5 257.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 447.5 257.67 T -0 0 0 1 0 0 0 K 1 11 Q (29) 453.5 257.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 464.5 257.67 T -0 0 0 1 0 0 0 K 1 11 Q (39) 470.5 257.67 T (curly brace) 306 244.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . .) 360.25 244.67 T (4) 476 244.67 T 0 12 Q (D) 306 223 T 1 11 Q (data) 306 209.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . . . .) 330 209.67 T (11) 470.5 209.67 T (datum) 306 196.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . .) 338.25 196.67 T (28) 470.5 196.67 T (debugger) 306 183.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . .) 352 183.67 T (17) 470.5 183.67 T (debugging) 306 170.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . .) 357.5 170.67 T (11) 470.5 170.67 T (decimal literal) 306 157.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . .) 374 157.67 T (8) 476 157.67 T (DEDENT token) 306 144.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . .) 382.25 144.67 T (4) 459 144.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 464.5 144.67 T -0 0 0 1 0 0 0 K 1 11 Q (47) 470.5 144.67 T (definition) 306 131.67 T (class) 324 118.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . .) 349.25 118.67 T (42) 453.5 118.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 464.5 118.67 T -0 0 0 1 0 0 0 K 1 11 Q (51) 470.5 118.67 T (function) 324 105.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . .) 365.75 105.67 T (42) 453.5 105.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 464.5 105.67 T -0 0 0 1 0 0 0 K 1 11 Q (50) 470.5 105.67 T (del) 306 92.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . .) 324.5 92.67 T (13) 402.5 92.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 413.5 92.67 T -0 0 0 1 0 0 0 K 1 11 Q (18) 419.5 92.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 430.5 92.67 T -0 0 0 1 0 0 0 K 1 11 Q (23) 436.5 92.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 447.5 92.67 T -0 0 0 1 0 0 0 K 1 11 Q (30) 453.5 92.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 464.5 92.67 T -0 0 0 1 0 0 0 K 1 11 Q (41) 470.5 92.67 T (delete) 306 79.67 T (attribute) 324 66.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . .) 365.75 66.67 T (42) 470.5 66.67 T -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "56" 62 %%Page: "57" 63 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 0 12 Q 0 X -0 0 0 1 0 0 0 K 4.8 (I) 288 748 S 0 9.6 Q 4.8 (NDEX) 296.13 748 S -0 0 0 1 0 0 0 K 1 10 Q (57) 525.5 32.83 T -0 0 0 1 0 0 0 K 315 720 315 63 2 L 0.5 H 2 Z N 85.5 720 85.5 63 2 L N -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q (delimiter) 94.5 712.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . .) 137.5 712.67 T (9) 264.5 712.67 T (dictionary) 94.5 699.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . .) 143 699.67 T (14) 174 699.67 T -0 0 0 1 0 0 0 K 1 12 Q (\320) 185 699.67 T -0 0 0 1 0 0 0 K 1 11 Q (15) 191 699.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 202 699.67 T -0 0 0 1 0 0 0 K 1 11 Q (19) 208 699.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 219 699.67 T -0 0 0 1 0 0 0 K 1 11 Q (28) 225 699.67 T -0 0 0 1 0 0 0 K 1 12 Q (\320) 236 699.67 T -0 0 0 1 0 0 0 K 1 11 Q (29) 242 699.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 253 699.67 T -0 0 0 1 0 0 0 K 1 11 Q (41) 259 699.67 T (display) 94.5 686.67 T (dictionary) 112.5 673.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . .) 162.25 673.67 T (28) 259 673.67 T (tuple) 112.5 660.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . .) 137.5 660.67 T (28) 259 660.67 T (division) 94.5 647.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . .) 134.75 647.67 T (33) 259 647.67 T (divmod) 94.5 634.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . .) 132 634.67 T (33) 259 634.67 T (double precision) 94.5 621.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . .) 173.25 621.67 T (12) 259 621.67 T 0 12 Q (E) 94.5 600 T 1 11 Q (elif) 94.5 586.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . . .) 112.75 586.67 T (47) 259 586.67 T (Ellipsis) 94.5 573.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . .) 132 573.67 T (12) 259 573.67 T (ellipsis) 94.5 560.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . .) 129.25 560.67 T (17) 259 560.67 T (else) 94.5 547.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . .) 115.5 547.67 T (43) 225 547.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 236 547.67 T -0 0 0 1 0 0 0 K 1 11 Q (47) 242 547.67 T -0 0 0 1 0 0 0 K 1 12 Q (\320) 253 547.67 T -0 0 0 1 0 0 0 K 1 11 Q (49) 259 547.67 T (dangling) 112.5 534.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . .) 154 534.67 T (47) 259 534.67 T (end-of-line character) 94.5 521.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . .) 189.75 521.67 T (3) 264.5 521.67 T (error) 94.5 508.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . . .) 121 508.67 T (25) 259 508.67 T (error handling) 94.5 495.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . .) 162.25 495.67 T (25) 259 495.67 T (escape sequence) 94.5 482.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . .) 170.5 482.67 T (7) 264.5 482.67 T (eval) 94.5 469.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . .) 118.25 469.67 T (23) 208 469.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 219 469.67 T -0 0 0 1 0 0 0 K 1 11 Q (29) 225 469.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 236 469.67 T -0 0 0 1 0 0 0 K 1 11 Q (44) 242 469.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 253 469.67 T -0 0 0 1 0 0 0 K 1 11 Q (54) 259 469.67 T (except) 94.5 456.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . .) 126.5 456.67 T (49) 259 456.67 T (except clause) 94.5 443.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . .) 156.75 443.67 T (23) 259 443.67 T (exception) 94.5 430.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . .) 143 430.67 T (25) 242 430.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 253 430.67 T -0 0 0 1 0 0 0 K 1 11 Q (42) 259 430.67 T (class) 112.5 417.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . .) 137.5 417.67 T (49) 259 417.67 T (raising) 112.5 404.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . .) 145.75 404.67 T (42) 259 404.67 T (exception handler) 94.5 391.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . .) 178.75 391.67 T (25) 242 391.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 253 391.67 T -0 0 0 1 0 0 0 K 1 11 Q (49) 259 391.67 T (exec) 94.5 378.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . .) 118.25 378.67 T (23) 242 378.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 253 378.67 T -0 0 0 1 0 0 0 K 1 11 Q (44) 259 378.67 T (execfile) 94.5 365.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . .) 134.75 365.67 T (23) 242 365.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 253 365.67 T -0 0 0 1 0 0 0 K 1 11 Q (44) 259 365.67 T (execution model) 94.5 352.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . .) 173.25 352.67 T (23) 259 352.67 T (expression) 94.5 339.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . .) 145.75 339.67 T (27) 242 339.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 253 339.67 T -0 0 0 1 0 0 0 K 1 11 Q (30) 259 339.67 T (lambda) 112.5 326.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . .) 148.5 326.67 T (35) 259 326.67 T (expression input) 94.5 313.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . .) 170.5 313.67 T (54) 259 313.67 T (expression list) 94.5 300.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . .) 162.25 300.67 T (36) 242 300.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 253 300.67 T -0 0 0 1 0 0 0 K 1 11 Q (39) 259 300.67 T (extended slice notation) 94.5 287.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . .) 200.75 287.67 T (21) 259 287.67 T (extended slice syntax) 94.5 274.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . .) 192.5 274.67 T (17) 259 274.67 T 0 12 Q (F) 94.5 253 T 1 11 Q (fdopen) 94.5 239.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . .) 129.25 239.67 T (16) 259 239.67 T (file) 94.5 226.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . .) 112.75 226.67 T (16) 242 226.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 253 226.67 T -0 0 0 1 0 0 0 K 1 11 Q (54) 259 226.67 T (finally) 94.5 213.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . .) 126.5 213.67 T (11) 225 213.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 236 213.67 T -0 0 0 1 0 0 0 K 1 11 Q (42) 242 213.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 253 213.67 T -0 0 0 1 0 0 0 K 1 11 Q (50) 259 213.67 T (floating point) 94.5 200.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . .) 159.5 200.67 T (12) 259 200.67 T (floating point literal) 94.5 187.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . .) 187 187.67 T (8) 264.5 187.67 T (floating point number) 94.5 174.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . .) 195.25 174.67 T (27) 259 174.67 T (floor) 94.5 161.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . . .) 121 161.67 T (33) 259 161.67 T (flow of control) 94.5 148.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . .) 165 148.67 T (25) 259 148.67 T (for) 94.5 135.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . .) 112.75 135.67 T (23) 225 135.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 236 135.67 T -0 0 0 1 0 0 0 K 1 11 Q (43) 242 135.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 253 135.67 T -0 0 0 1 0 0 0 K 1 11 Q (48) 259 135.67 T (form) 94.5 122.67 T (lambda) 112.5 109.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . .) 148.5 109.67 T (35) 259 109.67 T (formfeed character) 94.5 96.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . .) 181.5 96.67 T (4) 264.5 96.67 T (frame) 94.5 83.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . .) 123.75 83.67 T (17) 259 83.67 T (execution) 112.5 70.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . .) 159.5 70.67 T (23) 242 70.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 253 70.67 T -0 0 0 1 0 0 0 K 1 11 Q (51) 259 70.67 T (frame object) 324 712.67 T (f_back) 342 699.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . .) 376.75 699.67 T (17) 488.5 699.67 T (f_builtins) 342 686.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . .) 387.75 686.67 T (17) 488.5 686.67 T (f_code) 342 673.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . .) 376.75 673.67 T (17) 488.5 673.67 T (f_globals) 342 660.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . .) 387.75 660.67 T (17) 488.5 660.67 T (f_lasti) 342 647.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . .) 374 647.67 T (17) 488.5 647.67 T (f_lineno) 342 634.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . .) 382.25 634.67 T (17) 488.5 634.67 T (f_locals) 342 621.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . .) 382.25 621.67 T (17) 488.5 621.67 T (f_restricted) 342 608.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . .) 396 608.67 T (17) 488.5 608.67 T (f_trace) 342 595.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . .) 376.75 595.67 T (17) 488.5 595.67 T (from) 324 582.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . .) 349.25 582.67 T (6) 460 582.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 465.5 582.67 T -0 0 0 1 0 0 0 K 1 11 Q (23) 471.5 582.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 482.5 582.67 T -0 0 0 1 0 0 0 K 1 11 Q (43) 488.5 582.67 T (function) 324 569.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . .) 365.75 569.67 T (14) 454.5 569.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 465.5 569.67 T -0 0 0 1 0 0 0 K 1 11 Q (32) 471.5 569.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 482.5 569.67 T -0 0 0 1 0 0 0 K 1 11 Q (50) 488.5 569.67 T (anonymous) 342 556.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . .) 396 556.67 T (35) 488.5 556.67 T (built-in) 342 543.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . .) 379.5 543.67 T (15) 488.5 543.67 T (user-defined) 342 530.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . .) 401.5 530.67 T (14) 471.5 530.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 482.5 530.67 T -0 0 0 1 0 0 0 K 1 11 Q (50) 488.5 530.67 T (function object) 324 517.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . .) 396 517.67 T (16) 488.5 517.67 T (func_code) 342 504.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . .) 393.25 504.67 T (14) 488.5 504.67 T (func_defaults) 342 491.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . .) 407 491.67 T (14) 488.5 491.67 T (func_doc) 342 478.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . .) 387.75 478.67 T (14) 488.5 478.67 T (func_globals) 342 465.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . .) 404.25 465.67 T (14) 471.5 465.67 T -0 0 0 1 0 0 0 K 1 12 Q (\320) 482.5 465.67 T -0 0 0 1 0 0 0 K 1 11 Q (15) 488.5 465.67 T (func_name) 342 452.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . .) 396 452.67 T (14) 488.5 452.67 T 0 12 Q (G) 324 431 T 1 11 Q (garbage collection) 324 417.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . .) 409.75 417.67 T (11) 488.5 417.67 T (getlineno) 324 404.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . .) 368.5 404.67 T (17) 488.5 404.67 T (global) 324 391.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . .) 354.75 391.67 T (23) 420.5 391.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 431.5 391.67 T -0 0 0 1 0 0 0 K 1 11 Q (27) 437.5 391.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 448.5 391.67 T -0 0 0 1 0 0 0 K 1 11 Q (40) 454.5 391.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 465.5 391.67 T -0 0 0 1 0 0 0 K 1 11 Q (42) 471.5 391.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 482.5 391.67 T -0 0 0 1 0 0 0 K 1 11 Q (44) 488.5 391.67 T (globals) 324 378.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . .) 360.25 378.67 T (24) 471.5 378.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 482.5 378.67 T -0 0 0 1 0 0 0 K 1 11 Q (45) 488.5 378.67 T (grammar) 324 365.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . .) 368.5 365.67 T (1) 494 365.67 T 0 12 Q (H) 324 344 T 1 11 Q (handle an exception) 324 330.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . .) 415.25 330.67 T (25) 488.5 330.67 T (handler) 324 317.67 T (exception) 342 304.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . .) 390.5 304.67 T (17) 488.5 304.67 T (hash) 324 291.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . .) 349.25 291.67 T (19) 488.5 291.67 T (hash character) 324 278.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . .) 390.5 278.67 T (3) 494 278.67 T (hexadecimal literal) 324 265.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . .) 412.5 265.67 T (8) 494 265.67 T 0 12 Q (I) 324 244 T 1 11 Q (id) 324 230.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . . . . . .) 338.25 230.67 T (11) 488.5 230.67 T (Identifier) 324 217.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . .) 368.5 217.67 T (5) 494 217.67 T (identifier) 324 204.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . .) 368.5 204.67 T (27) 488.5 204.67 T (special meaning) 342 191.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . .) 418 191.67 T (6) 494 191.67 T (if) 324 178.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . . . . . .) 335.5 178.67 T (47) 488.5 178.67 T (im_class) 324 165.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . .) 365.75 165.67 T (16) 488.5 165.67 T (im_self) 324 152.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . .) 360.25 152.67 T (15) 488.5 152.67 T (imaginary literal) 324 139.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . .) 401.5 139.67 T (9) 494 139.67 T (immutable) 324 126.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . .) 376.75 126.67 T (13) 488.5 126.67 T (import) 324 113.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . .) 357.5 113.67 T (6) 426 113.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 431.5 113.67 T -0 0 0 1 0 0 0 K 1 11 Q (15) 437.5 113.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 448.5 113.67 T -0 0 0 1 0 0 0 K 1 11 Q (23) 454.5 113.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 465.5 113.67 T -0 0 0 1 0 0 0 K 1 11 Q (43) 471.5 113.67 T -0 0 0 1 0 0 0 K 1 12 Q (\320) 482.5 113.67 T -0 0 0 1 0 0 0 K 1 11 Q (44) 488.5 113.67 T (ImportError) 324 100.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . .) 382.25 100.67 T (44) 488.5 100.67 T (in) 324 87.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . . . .) 338.25 87.67 T -(35) 471.5 87.67 T -0 0 0 1 0 0 0 K -1 12 Q -(,) 482.5 87.67 T -0 0 0 1 0 0 0 K -1 11 Q +( . . . . . . . . . . . . . . . . . . . . . . . . . . .) 338.25 87.67 T (48) 488.5 87.67 T (INDENT token) 324 74.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . .) 396 74.67 T (4) 494 74.67 T -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "57" 63 %%Page: "58" 64 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 0 12 Q 0 X -0 0 0 1 0 0 0 K 4.8 (I) 270 748 S 0 9.6 Q 4.8 (NDEX) 278.13 748 S -0 0 0 1 0 0 0 K 1 10 Q (58) 76.5 32.83 T -0 0 0 1 0 0 0 K 297 720 297 63 2 L 0.5 H 2 Z N 67.5 720 67.5 63 2 L N -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q (Indentation) 76.5 712.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . .) 132 712.67 T (4) 246.5 712.67 T (indentation) 76.5 699.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . .) 129.25 699.67 T (4) 246.5 699.67 T (indentation errors) 76.5 686.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . .) 159.5 686.67 T (5) 246.5 686.67 T (index operation) 76.5 673.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . .) 148.5 673.67 T (13) 241 673.67 T (IndexError) 76.5 660.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . .) 129.25 660.67 T (41) 241 660.67 T (inheritance) 76.5 647.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . .) 129.25 647.67 T (51) 241 647.67 T (input) 76.5 634.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . . .) 104.5 634.67 T (54) 241 634.67 T (instance) 76.5 621.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . .) 118.25 621.67 T (15) 207 621.67 T -0 0 0 1 0 0 0 K 1 12 Q (\320) 218 621.67 T -0 0 0 1 0 0 0 K 1 11 Q (16) 224 621.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 235 621.67 T -0 0 0 1 0 0 0 K 1 11 Q (32) 241 621.67 T (call) 94.5 608.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . .) 115.5 608.67 T (20) 241 608.67 T (class) 94.5 595.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . .) 121 595.67 T (16) 241 595.67 T (integer) 76.5 582.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . .) 112.75 582.67 T (8) 212.5 582.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 218 582.67 T -0 0 0 1 0 0 0 K 1 11 Q (12) 224 582.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 235 582.67 T -0 0 0 1 0 0 0 K 1 11 Q (27) 241 582.67 T (long) 94.5 569.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . . .) 118.25 569.67 T (8) 246.5 569.67 T (integer literal) 76.5 556.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . .) 140.25 556.67 T (8) 246.5 556.67 T (interactive mode) 76.5 543.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . .) 154 543.67 T (53) 241 543.67 T (internal type) 76.5 530.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . .) 137.5 530.67 T (16) 241 530.67 T (interpreter) 76.5 517.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . .) 126.5 517.67 T (53) 241 517.67 T (invertion) 76.5 504.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . .) 121 504.67 T (32) 241 504.67 T (is) 76.5 491.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . . . . . .) 88 491.67 T -(11) 224 491.67 T -0 0 0 1 0 0 0 K -1 12 Q -(,) 235 491.67 T -0 0 0 1 0 0 0 K -1 11 Q -(35) 241 491.67 T -(is not) 76.5 478.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . . . . . .) 104.5 478.67 T -(35) 241 478.67 T -(item) 76.5 465.67 T -(selection) 94.5 452.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . .) 137.5 452.67 T -(13) 241 452.67 T -(string) 94.5 439.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . .) 123.75 439.67 T -(30) 241 439.67 T +(. . . . . . . . . . . . . . . . . . . . . . . . . . . .) 88 491.67 T +(11) 241 491.67 T +(item) 76.5 478.67 T +(selection) 94.5 465.67 T +(. . . . . . . . . . . . . . . . . . .) 137.5 465.67 T +(13) 241 465.67 T +(string) 94.5 452.67 T +( . . . . . . . . . . . . . . . . . . . . .) 123.75 452.67 T +(30) 241 452.67 T 0 12 Q -(K) 76.5 418 T +(K) 76.5 431 T 1 11 Q -(key) 76.5 404.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . . . . . .) 96.25 404.67 T +(key) 76.5 417.67 T +( . . . . . . . . . . . . . . . . . . . . . . . . . .) 96.25 417.67 T +(28) 241 417.67 T +(key/datum pair) 76.5 404.67 T +(. . . . . . . . . . . . . . . . .) 148.5 404.67 T (28) 241 404.67 T -(key/datum pair) 76.5 391.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . .) 148.5 391.67 T -(28) 241 391.67 T -(keyword) 76.5 378.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . . .) 118.25 378.67 T -(6) 246.5 378.67 T +(keyword) 76.5 391.67 T +( . . . . . . . . . . . . . . . . . . . . . . .) 118.25 391.67 T +(6) 246.5 391.67 T 0 12 Q -(L) 76.5 357 T -1 11 Q -(Lambda) 76.5 343.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . .) 118.25 343.67 T -(35) 241 343.67 T -(leading whitespace) 76.5 330.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . .) 165 330.67 T -(4) 246.5 330.67 T -(len) 76.5 317.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . . . . . . . .) 93.5 317.67 T -(13) 241 317.67 T -(lexical analysis) 76.5 304.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . .) 148.5 304.67 T -(3) 246.5 304.67 T -(lexical analyzer) 76.5 291.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . .) 151.25 291.67 T -(5) 246.5 291.67 T -(line) 76.5 278.67 T -(blank) 94.5 265.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . .) 123.75 265.67 T -(4) 246.5 265.67 T -(continuation) 94.5 252.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . .) 154 252.67 T +(L) 76.5 370 T +1 11 Q +(Lambda) 76.5 356.67 T +( . . . . . . . . . . . . . . . . . . . . . .) 118.25 356.67 T +(35) 241 356.67 T +(leading whitespace) 76.5 343.67 T +(. . . . . . . . . . . . . . .) 165 343.67 T +(4) 246.5 343.67 T +(len) 76.5 330.67 T +(. . . . . . . . . . . . . . . . . . . . . . . . . . .) 93.5 330.67 T +(13) 241 330.67 T +(lexical analysis) 76.5 317.67 T +(. . . . . . . . . . . . . . . . . .) 148.5 317.67 T +(3) 246.5 317.67 T +(lexical analyzer) 76.5 304.67 T +( . . . . . . . . . . . . . . . . .) 151.25 304.67 T +(5) 246.5 304.67 T +(line) 76.5 291.67 T +(blank) 94.5 278.67 T +( . . . . . . . . . . . . . . . . . . . . . .) 123.75 278.67 T +(4) 246.5 278.67 T +(continuation) 94.5 265.67 T +(. . . . . . . . . . . . . . . . .) 154 265.67 T +(3) 246.5 265.67 T +(joining) 94.5 252.67 T +( . . . . . . . . . . . . . . . . . . . . .) 129.25 252.67 T (3) 246.5 252.67 T -(joining) 94.5 239.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . .) 129.25 239.67 T -(3) 246.5 239.67 T -(physical) 94.5 226.67 T -(split across) 112.5 213.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . .) 165 213.67 T -(4) 246.5 213.67 T -(line joining) 76.5 200.67 T -(implicit) 94.5 187.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . .) 132 187.67 T -(4) 246.5 187.67 T -(line structure) 76.5 174.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . .) 137.5 174.67 T -(3) 246.5 174.67 T -(lines) 76.5 161.67 T -(logical) 94.5 148.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . .) 129.25 148.67 T +(physical) 94.5 239.67 T +(split across) 112.5 226.67 T +(. . . . . . . . . . . . . . .) 165 226.67 T +(4) 246.5 226.67 T +(line joining) 76.5 213.67 T +(implicit) 94.5 200.67 T +(. . . . . . . . . . . . . . . . . . . . .) 132 200.67 T +(4) 246.5 200.67 T +(line structure) 76.5 187.67 T +(. . . . . . . . . . . . . . . . . . . .) 137.5 187.67 T +(3) 246.5 187.67 T +(lines) 76.5 174.67 T +(logical) 94.5 161.67 T +( . . . . . . . . . . . . . . . . . . . . .) 129.25 161.67 T +(3) 246.5 161.67 T +(physical) 94.5 148.67 T +( . . . . . . . . . . . . . . . . . . . .) 134.75 148.67 T (3) 246.5 148.67 T -(physical) 94.5 135.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . .) 134.75 135.67 T -(3) 246.5 135.67 T -(list) 76.5 122.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . .) 93.5 122.67 T -(13) 173 122.67 T -0 0 0 1 0 0 0 K +(list) 76.5 135.67 T +(. . . . . . . . . . . . . .) 93.5 135.67 T +(13) 173 135.67 T 1 12 Q -(,) 184 122.67 T -0 0 0 1 0 0 0 K +(,) 184 135.67 T 1 11 Q -(28) 190 122.67 T -0 0 0 1 0 0 0 K +(28) 190 135.67 T 1 12 Q -(\320) 201 122.67 T -0 0 0 1 0 0 0 K +(\320) 201 135.67 T 1 11 Q -(30) 207 122.67 T -0 0 0 1 0 0 0 K +(30) 207 135.67 T 1 12 Q -(,) 218 122.67 T -0 0 0 1 0 0 0 K +(,) 218 135.67 T 1 11 Q -(41) 224 122.67 T -0 0 0 1 0 0 0 K +(41) 224 135.67 T 1 12 Q -(,) 235 122.67 T -0 0 0 1 0 0 0 K -1 11 Q -(48) 241 122.67 T -(empty) 94.5 109.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . .) 126.5 109.67 T -(28) 241 109.67 T -(expression) 94.5 96.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . .) 145.75 96.67 T -(36) 207 96.67 T -0 0 0 1 0 0 0 K +(,) 235 135.67 T +1 11 Q +(48) 241 135.67 T +(empty) 94.5 122.67 T +(. . . . . . . . . . . . . . . . . . . . .) 126.5 122.67 T +(28) 241 122.67 T +(expression) 94.5 109.67 T +( . . . . . . . . . . .) 145.75 109.67 T +(36) 207 109.67 T 1 12 Q -(,) 218 96.67 T -0 0 0 1 0 0 0 K +(,) 218 109.67 T 1 11 Q -(39) 224 96.67 T -0 0 0 1 0 0 0 K +(39) 224 109.67 T 1 12 Q -(\320) 235 96.67 T -0 0 0 1 0 0 0 K +(\320) 235 109.67 T 1 11 Q +(40) 241 109.67 T +(target) 94.5 96.67 T +( . . . . . . . . . . . . . . . . . . . . .) 123.75 96.67 T (40) 241 96.67 T -(target) 94.5 83.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . .) 123.75 83.67 T -(40) 241 83.67 T -(deletion) 112.5 70.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . .) 151.25 70.67 T -(41) 241 70.67 T -(Literal) 306 712.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . . . . . .) 341 712.67 T -(6) 476 712.67 T -(literal) 306 699.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . . . . . .) 335.5 699.67 T -(28) 470.5 699.67 T -(locals) 306 686.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . .) 335.5 686.67 T -(24) 453.5 686.67 T -0 0 0 1 0 0 0 K +(deletion) 112.5 83.67 T +( . . . . . . . . . . . . . . . .) 151.25 83.67 T +(41) 241 83.67 T +(Literal) 76.5 70.67 T +(. . . . . . . . . . . . . . . . . . . . . . . . .) 110 70.67 T +(6) 246.5 70.67 T +(literal) 306 712.67 T +(. . . . . . . . . . . . . . . . . . . . . . . . .) 335.5 712.67 T +(28) 470.5 712.67 T +(locals) 306 699.67 T +(. . . . . . . . . . . . . . . . . . . . .) 335.5 699.67 T +(24) 453.5 699.67 T 1 12 Q -(,) 464.5 686.67 T -0 0 0 1 0 0 0 K -1 11 Q -(45) 470.5 686.67 T -(logical line) 306 673.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . .) 360.25 673.67 T -(3) 476 673.67 T -(long integer) 306 660.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . .) 363 660.67 T -(12) 453.5 660.67 T -0 0 0 1 0 0 0 K +(,) 464.5 699.67 T +1 11 Q +(45) 470.5 699.67 T +(logical line) 306 686.67 T +( . . . . . . . . . . . . . . . . . . . . .) 360.25 686.67 T +(3) 476 686.67 T +(long integer) 306 673.67 T +(. . . . . . . . . . . . . . . .) 363 673.67 T +(12) 453.5 673.67 T 1 12 Q -(,) 464.5 660.67 T -0 0 0 1 0 0 0 K -1 11 Q -(27) 470.5 660.67 T -(long integer literal) 306 647.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . .) 390.5 647.67 T -(8) 476 647.67 T -(loop) 306 634.67 T -(over mutable sequence) 324 621.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . .) 429 621.67 T -(48) 470.5 621.67 T +(,) 464.5 673.67 T +1 11 Q +(27) 470.5 673.67 T +(long integer literal) 306 660.67 T +(. . . . . . . . . . . . . . . .) 390.5 660.67 T +(8) 476 660.67 T +(loop) 306 647.67 T +(over mutable sequence) 324 634.67 T +(. . . . . . . .) 429 634.67 T +(48) 470.5 634.67 T 0 12 Q -(M) 306 600 T -1 11 Q -(makefile) 306 586.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . .) 349.25 586.67 T -(16) 470.5 586.67 T -(mapping) 306 573.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . .) 349.25 573.67 T -(13) 419.5 573.67 T -0 0 0 1 0 0 0 K +(M) 306 613 T +1 11 Q +(makefile) 306 599.67 T +( . . . . . . . . . . . . . . . . . . . . . .) 349.25 599.67 T +(16) 470.5 599.67 T +(mapping) 306 586.67 T +( . . . . . . . . . . . .) 349.25 586.67 T +(13) 419.5 586.67 T 1 12 Q -(,) 430.5 573.67 T -0 0 0 1 0 0 0 K +(,) 430.5 586.67 T 1 11 Q -(16) 436.5 573.67 T -0 0 0 1 0 0 0 K +(16) 436.5 586.67 T 1 12 Q -(,) 447.5 573.67 T -0 0 0 1 0 0 0 K +(,) 447.5 586.67 T 1 11 Q -(29) 453.5 573.67 T -0 0 0 1 0 0 0 K +(29) 453.5 586.67 T 1 12 Q -(,) 464.5 573.67 T -0 0 0 1 0 0 0 K -1 11 Q -(41) 470.5 573.67 T -(method) 306 560.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . . .) 343.75 560.67 T -(32) 470.5 560.67 T -(bound) 324 547.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . .) 354.75 547.67 T -(14) 470.5 547.67 T -(built-in) 324 534.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . .) 360.25 534.67 T -(15) 470.5 534.67 T -(unbound) 324 521.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . .) 365.75 521.67 T +(,) 464.5 586.67 T +1 11 Q +(41) 470.5 586.67 T +(method) 306 573.67 T +( . . . . . . . . . . . . . . . . . . . . . . .) 343.75 573.67 T +(32) 470.5 573.67 T +(bound) 324 560.67 T +( . . . . . . . . . . . . . . . . . . . . .) 354.75 560.67 T +(14) 470.5 560.67 T +(built-in) 324 547.67 T +( . . . . . . . . . . . . . . . . . . . .) 360.25 547.67 T +(15) 470.5 547.67 T +(unbound) 324 534.67 T +( . . . . . . . . . . . . . . . . . . .) 365.75 534.67 T +(14) 470.5 534.67 T +(user-defined) 324 521.67 T +( . . . . . . . . . . . . . . . .) 382.25 521.67 T (14) 470.5 521.67 T -(user-defined) 324 508.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(creation) 342 508.67 T ( . . . . . . . . . . . . . . . .) 382.25 508.67 T (14) 470.5 508.67 T -(creation) 342 495.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . .) 382.25 495.67 T -(14) 470.5 495.67 T -(method object) 306 482.67 T -(__name__) 324 469.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . .) 374 469.67 T +(method object) 306 495.67 T +(__name__) 324 482.67 T +(. . . . . . . . . . . . . . . . . .) 374 482.67 T +(14) 470.5 482.67 T +(im_class) 324 469.67 T +( . . . . . . . . . . . . . . . . . . .) 365.75 469.67 T (14) 470.5 469.67 T -(im_class) 324 456.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(im_func) 324 456.67 T ( . . . . . . . . . . . . . . . . . . .) 365.75 456.67 T (14) 470.5 456.67 T -(im_func) 324 443.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . .) 365.75 443.67 T +(im_func.__doc__) 324 443.67 T +(. . . . . . . . . . . .) 407 443.67 T (14) 470.5 443.67 T -(im_func.__doc__) 324 430.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . .) 407 430.67 T +(im_self) 324 430.67 T +( . . . . . . . . . . . . . . . . . . . .) 360.25 430.67 T (14) 470.5 430.67 T -(im_self) 324 417.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . .) 360.25 417.67 T -(14) 470.5 417.67 T -(minus) 306 404.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . . . .) 338.25 404.67 T -(32) 470.5 404.67 T -(module) 306 391.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . .) 343.75 391.67 T -(15) 436.5 391.67 T -0 0 0 1 0 0 0 K +(minus) 306 417.67 T +( . . . . . . . . . . . . . . . . . . . . . . . .) 338.25 417.67 T +(32) 470.5 417.67 T +(module) 306 404.67 T +( . . . . . . . . . . . . . . . .) 343.75 404.67 T +(15) 436.5 404.67 T 1 12 Q -(,) 447.5 391.67 T -0 0 0 1 0 0 0 K +(,) 447.5 404.67 T 1 11 Q -(29) 453.5 391.67 T -0 0 0 1 0 0 0 K +(29) 453.5 404.67 T 1 12 Q -(,) 464.5 391.67 T -0 0 0 1 0 0 0 K +(,) 464.5 404.67 T 1 11 Q -(43) 470.5 391.67 T -(extension) 324 378.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(43) 470.5 404.67 T +(extension) 324 391.67 T +( . . . . . . . . . . . . . . . . . .) 371.25 391.67 T +(12) 470.5 391.67 T +(importing) 324 378.67 T ( . . . . . . . . . . . . . . . . . .) 371.25 378.67 T -(12) 470.5 378.67 T -(importing) 324 365.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . .) 371.25 365.67 T -(43) 470.5 365.67 T -(modulo) 306 352.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . . .) 343.75 352.67 T +(43) 470.5 378.67 T +(modulo) 306 365.67 T +( . . . . . . . . . . . . . . . . . . . . . . .) 343.75 365.67 T +(33) 470.5 365.67 T +(multiplication) 306 352.67 T +( . . . . . . . . . . . . . . . . . .) 371.25 352.67 T (33) 470.5 352.67 T -(multiplication) 306 339.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . .) 371.25 339.67 T -(33) 470.5 339.67 T -(mutable) 306 326.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . .) 346.5 326.67 T -(14) 436.5 326.67 T -0 0 0 1 0 0 0 K +(mutable) 306 339.67 T +(. . . . . . . . . . . . . . . .) 346.5 339.67 T +(14) 436.5 339.67 T 1 12 Q -(,) 447.5 326.67 T -0 0 0 1 0 0 0 K +(,) 447.5 339.67 T 1 11 Q -(40) 453.5 326.67 T -0 0 0 1 0 0 0 K +(40) 453.5 339.67 T 1 12 Q -(\320) 464.5 326.67 T -0 0 0 1 0 0 0 K -1 11 Q -(41) 470.5 326.67 T -(mutable sequence) 306 313.67 T -(loop over) 324 300.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . .) 371.25 300.67 T -(48) 470.5 300.67 T +(\320) 464.5 339.67 T +1 11 Q +(41) 470.5 339.67 T +(mutable sequence) 306 326.67 T +(loop over) 324 313.67 T +( . . . . . . . . . . . . . . . . . .) 371.25 313.67 T +(48) 470.5 313.67 T 0 12 Q -(N) 306 279 T -1 11 Q -(name) 306 265.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . . .) 335.5 265.67 T -(5) 459 265.67 T -0 0 0 1 0 0 0 K +(N) 306 292 T +1 11 Q +(name) 306 278.67 T +(. . . . . . . . . . . . . . . . . . . . . .) 335.5 278.67 T +(5) 459 278.67 T +1 12 Q +(,) 464.5 278.67 T +1 11 Q +(27) 470.5 278.67 T +(binding) 324 265.67 T +(. . . . . . . . . . . . . . . .) 363 265.67 T +(23) 453.5 265.67 T 1 12 Q (,) 464.5 265.67 T -0 0 0 1 0 0 0 K -1 11 Q -(27) 470.5 265.67 T -(binding) 324 252.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . .) 363 252.67 T -(23) 453.5 252.67 T -0 0 0 1 0 0 0 K +1 11 Q +(40) 470.5 265.67 T +(class) 324 252.67 T +( . . . . . . . . . . . . . . . . . . . . . .) 349.25 252.67 T +(51) 470.5 252.67 T +(function) 324 239.67 T +( . . . . . . . . . . . . . . . . . . .) 365.75 239.67 T +(50) 470.5 239.67 T +(global) 324 226.67 T +( . . . . . . . . . . . . . . . . . . . . .) 354.75 226.67 T +(27) 470.5 226.67 T +(mangling) 324 213.67 T +( . . . . . . . . . . . . . . . . . . .) 371.25 213.67 T +(6) 476 213.67 T +(rebinding) 324 200.67 T +( . . . . . . . . . . . . . .) 371.25 200.67 T +(23) 453.5 200.67 T 1 12 Q -(,) 464.5 252.67 T -0 0 0 1 0 0 0 K -1 11 Q -(40) 470.5 252.67 T -(class) 324 239.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . .) 349.25 239.67 T -(51) 470.5 239.67 T -(function) 324 226.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . .) 365.75 226.67 T -(50) 470.5 226.67 T -(global) 324 213.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . .) 354.75 213.67 T -(27) 470.5 213.67 T -(mangling) 324 200.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . .) 371.25 200.67 T -(6) 476 200.67 T -(rebinding) 324 187.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . .) 371.25 187.67 T +(,) 464.5 200.67 T +1 11 Q +(40) 470.5 200.67 T +(unbinding) 324 187.67 T +(. . . . . . . . . . . . . .) 374 187.67 T (23) 453.5 187.67 T -0 0 0 1 0 0 0 K 1 12 Q (,) 464.5 187.67 T -0 0 0 1 0 0 0 K -1 11 Q -(40) 470.5 187.67 T -(unbinding) 324 174.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . .) 374 174.67 T -(23) 453.5 174.67 T -0 0 0 1 0 0 0 K -1 12 Q -(,) 464.5 174.67 T -0 0 0 1 0 0 0 K 1 11 Q -(42) 470.5 174.67 T -(name space) 306 161.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . .) 360.25 161.67 T -(23) 470.5 161.67 T -(global) 324 148.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . .) 354.75 148.67 T -(14) 453.5 148.67 T -0 0 0 1 0 0 0 K +(42) 470.5 187.67 T +(name space) 306 174.67 T +( . . . . . . . . . . . . . . . . . . . .) 360.25 174.67 T +(23) 470.5 174.67 T +(global) 324 161.67 T +( . . . . . . . . . . . . . . . . .) 354.75 161.67 T +(14) 453.5 161.67 T 1 12 Q -(,) 464.5 148.67 T -0 0 0 1 0 0 0 K +(,) 464.5 161.67 T 1 11 Q +(23) 470.5 161.67 T +(local) 324 148.67 T +( . . . . . . . . . . . . . . . . . . . . . .) 349.25 148.67 T (23) 470.5 148.67 T -(local) 324 135.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . .) 349.25 135.67 T -(23) 470.5 135.67 T -(module) 324 122.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . .) 360.25 122.67 T -(15) 470.5 122.67 T -(NameError) 306 109.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . .) 360.25 109.67 T -(24) 453.5 109.67 T -0 0 0 1 0 0 0 K +(module) 324 135.67 T +( . . . . . . . . . . . . . . . . . . . .) 360.25 135.67 T +(15) 470.5 135.67 T +(NameError) 306 122.67 T +( . . . . . . . . . . . . . . . .) 360.25 122.67 T +(24) 453.5 122.67 T 1 12 Q -(,) 464.5 109.67 T -0 0 0 1 0 0 0 K -1 11 Q -(27) 470.5 109.67 T -(negation) 306 96.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . .) 349.25 96.67 T -(32) 470.5 96.67 T -(NEWLINE token) 306 83.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . .) 387.75 83.67 T -(3) 447.5 83.67 T -0 0 0 1 0 0 0 K +(,) 464.5 122.67 T +1 11 Q +(27) 470.5 122.67 T +(negation) 306 109.67 T +( . . . . . . . . . . . . . . . . . . . . . .) 349.25 109.67 T +(32) 470.5 109.67 T +(NEWLINE token) 306 96.67 T +( . . . . . . . . . .) 387.75 96.67 T +(3) 447.5 96.67 T 1 12 Q -(\320) 453 83.67 T -0 0 0 1 0 0 0 K +(\320) 453 96.67 T 1 11 Q -(4) 459 83.67 T -0 0 0 1 0 0 0 K +(4) 459 96.67 T 1 12 Q -(,) 464.5 83.67 T -0 0 0 1 0 0 0 K -1 11 Q -(47) 470.5 83.67 T -(None) 306 70.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . .) 335.5 70.67 T -(12) 453.5 70.67 T -0 0 0 1 0 0 0 K +(,) 464.5 96.67 T +1 11 Q +(47) 470.5 96.67 T +(None) 306 83.67 T +(. . . . . . . . . . . . . . . . . . . . .) 335.5 83.67 T +(12) 453.5 83.67 T 1 12 Q -(,) 464.5 70.67 T -0 0 0 1 0 0 0 K +(,) 464.5 83.67 T 1 11 Q -(39) 470.5 70.67 T -0 0 0 1 0 0 0 K +(39) 470.5 83.67 T +(notation) 306 70.67 T +(. . . . . . . . . . . . . . . . . . . . . . . .) 346.5 70.67 T +(1) 476 70.67 T FMENDPAGE %%EndPage: "58" 64 %%Page: "59" 65 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 0 12 Q 0 X -0 0 0 1 0 0 0 K 4.8 (I) 288 748 S 0 9.6 Q 4.8 (NDEX) 296.13 748 S -0 0 0 1 0 0 0 K 1 10 Q (59) 525.5 32.83 T -0 0 0 1 0 0 0 K 315 720 315 63 2 L 0.5 H 2 Z N 85.5 720 85.5 63 2 L N -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -1 11 Q -(not) 94.5 712.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . . . . . .) 112.75 712.67 T -(35) 259 712.67 T -(not in) 94.5 699.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . . . .) 123.75 699.67 T -(35) 259 699.67 T -(notation) 94.5 686.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . . .) 134.75 686.67 T -(1) 264.5 686.67 T -(null operation) 94.5 673.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . .) 159.5 673.67 T -(41) 259 673.67 T -(number) 94.5 660.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . .) 132 660.67 T -(8) 230.5 660.67 T -0 0 0 1 0 0 0 K +1 11 Q +(null operation) 94.5 712.67 T +(. . . . . . . . . . . . . . . . . .) 159.5 712.67 T +(41) 259 712.67 T +(number) 94.5 699.67 T +(. . . . . . . . . . . . . . . . . .) 132 699.67 T +(8) 230.5 699.67 T 1 12 Q -(,) 236 660.67 T -0 0 0 1 0 0 0 K +(,) 236 699.67 T 1 11 Q -(12) 242 660.67 T -0 0 0 1 0 0 0 K +(12) 242 699.67 T 1 12 Q -(,) 253 660.67 T -0 0 0 1 0 0 0 K -1 11 Q -(16) 259 660.67 T -(numbers) 94.5 647.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . . .) 137.5 647.67 T -(16) 259 647.67 T -(numeric) 94.5 634.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . .) 134.75 634.67 T -(12) 259 634.67 T -(numeric arithmetic) 94.5 621.67 T -(mixed mode) 112.5 608.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . .) 170.5 608.67 T -(22) 259 608.67 T -(numeric literal) 94.5 595.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . .) 162.25 595.67 T -(8) 264.5 595.67 T -0 12 Q -(O) 94.5 574 T +(,) 253 699.67 T 1 11 Q -(object) 94.5 560.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . . . . .) 126.5 560.67 T +(16) 259 699.67 T +(numbers) 94.5 686.67 T +(. . . . . . . . . . . . . . . . . . . . . .) 137.5 686.67 T +(16) 259 686.67 T +(numeric) 94.5 673.67 T +( . . . . . . . . . . . . . . . . . . . . . .) 134.75 673.67 T +(12) 259 673.67 T +(numeric arithmetic) 94.5 660.67 T +(mixed mode) 112.5 647.67 T +(. . . . . . . . . . . . . . . .) 170.5 647.67 T +(22) 259 647.67 T +(numeric literal) 94.5 634.67 T +( . . . . . . . . . . . . . . . . . .) 162.25 634.67 T +(8) 264.5 634.67 T +0 12 Q +(O) 94.5 613 T +1 11 Q +(object) 94.5 599.67 T +(. . . . . . . . . . . . . . . . . . . . . . . .) 126.5 599.67 T +(11) 259 599.67 T +(address in memory) 112.5 586.67 T +( . . . . . . . . . .) 200.75 586.67 T +(11) 259 586.67 T +(container) 112.5 573.67 T +( . . . . . . . . . . . . . . . . . .) 156.75 573.67 T +(11) 259 573.67 T +(identity) 112.5 560.67 T +( . . . . . . . . . . . . . . . . . . .) 151.25 560.67 T (11) 259 560.67 T -(address in memory) 112.5 547.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . .) 200.75 547.67 T +(immutable) 112.5 547.67 T +(. . . . . . . . . . . . . . . . .) 165 547.67 T (11) 259 547.67 T -(container) 112.5 534.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . .) 156.75 534.67 T +(mutable) 112.5 534.67 T +( . . . . . . . . . . . . . . . . . . .) 151.25 534.67 T (11) 259 534.67 T -(identity) 112.5 521.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . .) 151.25 521.67 T +(reference to external resource) 112.5 521.67 T +(. .) 247.5 521.67 T (11) 259 521.67 T -(immutable) 112.5 508.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . .) 165 508.67 T +(type) 112.5 508.67 T +( . . . . . . . . . . . . . . . . . . . . . .) 134.75 508.67 T (11) 259 508.67 T -(mutable) 112.5 495.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . .) 151.25 495.67 T +(unreachable) 112.5 495.67 T +(. . . . . . . . . . . . . . . .) 170.5 495.67 T (11) 259 495.67 T -(reference to external resource) 112.5 482.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. .) 247.5 482.67 T +(value) 112.5 482.67 T +( . . . . . . . . . . . . . . . . . . . . .) 140.25 482.67 T (11) 259 482.67 T -(type) 112.5 469.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . .) 134.75 469.67 T -(11) 259 469.67 T -(unreachable) 112.5 456.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . .) 170.5 456.67 T -(11) 259 456.67 T -(value) 112.5 443.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . .) 140.25 443.67 T -(11) 259 443.67 T -(object closure) 94.5 430.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . .) 159.5 430.67 T -(14) 259 430.67 T -(octal literal) 94.5 417.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . .) 148.5 417.67 T -(8) 264.5 417.67 T -(open) 94.5 404.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . . . . . .) 121 404.67 T -(16) 259 404.67 T -(operation) 94.5 391.67 T -(arithmetic) 112.5 378.67 T +(object closure) 94.5 469.67 T +(. . . . . . . . . . . . . . . . . .) 159.5 469.67 T +(14) 259 469.67 T +(octal literal) 94.5 456.67 T +(. . . . . . . . . . . . . . . . . . . . .) 148.5 456.67 T +(8) 264.5 456.67 T +(open) 94.5 443.67 T +(. . . . . . . . . . . . . . . . . . . . . . . . .) 121 443.67 T +(16) 259 443.67 T +(operation) 94.5 430.67 T +(arithmetic) 112.5 417.67 T +(binary) 130.5 404.67 T +( . . . . . . . . . . . . . . . . .) 162.25 404.67 T +(32) 259 404.67 T +(unary) 130.5 391.67 T +(. . . . . . . . . . . . . . . . . .) 159.5 391.67 T +(32) 259 391.67 T +(bit-wise) 112.5 378.67 T (binary) 130.5 365.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . .) 162.25 365.67 T -(32) 259 365.67 T +(33) 259 365.67 T (unary) 130.5 352.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . .) 159.5 352.67 T (32) 259 352.67 T -(bit-wise) 112.5 339.67 T -(binary) 130.5 326.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . .) 162.25 326.67 T -(33) 259 326.67 T -(unary) 130.5 313.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . .) 159.5 313.67 T -(32) 259 313.67 T -(boolean) 112.5 300.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . .) 151.25 300.67 T -(35) 259 300.67 T -(null) 112.5 287.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . .) 134.75 287.67 T -(41) 259 287.67 T -(shifting) 112.5 274.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . .) 151.25 274.67 T -(33) 259 274.67 T -(operator) 94.5 261.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . . .) 134.75 261.67 T -(9) 264.5 261.67 T -(optimization) 94.5 248.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . .) 154 248.67 T -(15) 259 248.67 T -(or) 94.5 235.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . . . . . . .) 107.25 235.67 T -(35) 259 235.67 T -(bit-wise) 112.5 222.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . .) 151.25 222.67 T -(34) 259 222.67 T -(exclusive) 112.5 209.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . .) 159.5 209.67 T -(34) 259 209.67 T -(inclusive) 112.5 196.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . .) 156.75 196.67 T -(34) 259 196.67 T -(ord) 94.5 183.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . . . . . .) 112.75 183.67 T -(13) 259 183.67 T -(output) 94.5 170.67 T -(standard) 112.5 157.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . .) 154 157.67 T -(39) 242 157.67 T -0 0 0 1 0 0 0 K +(boolean) 112.5 339.67 T +( . . . . . . . . . . . . . . . . . . .) 151.25 339.67 T +(35) 259 339.67 T +(null) 112.5 326.67 T +( . . . . . . . . . . . . . . . . . . . . . .) 134.75 326.67 T +(41) 259 326.67 T +(shifting) 112.5 313.67 T +( . . . . . . . . . . . . . . . . . . .) 151.25 313.67 T +(33) 259 313.67 T +(operator) 94.5 300.67 T +( . . . . . . . . . . . . . . . . . . . . . . .) 134.75 300.67 T +(9) 264.5 300.67 T +(optimization) 94.5 287.67 T +(. . . . . . . . . . . . . . . . . . .) 154 287.67 T +(15) 259 287.67 T +(or) 94.5 274.67 T +(bit-wise) 112.5 261.67 T +( . . . . . . . . . . . . . . . . . . .) 151.25 261.67 T +(34) 259 261.67 T +(exclusive) 112.5 248.67 T +(. . . . . . . . . . . . . . . . . .) 159.5 248.67 T +(34) 259 248.67 T +(inclusive) 112.5 235.67 T +( . . . . . . . . . . . . . . . . . .) 156.75 235.67 T +(34) 259 235.67 T +(ord) 94.5 222.67 T +( . . . . . . . . . . . . . . . . . . . . . . . . . .) 112.75 222.67 T +(13) 259 222.67 T +(output) 94.5 209.67 T +(standard) 112.5 196.67 T +(. . . . . . . . . . . . . . . .) 154 196.67 T +(39) 242 196.67 T 1 12 Q -(,) 253 157.67 T -0 0 0 1 0 0 0 K -1 11 Q -(42) 259 157.67 T -(OverflowError) 94.5 144.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . .) 165 144.67 T -(12) 259 144.67 T +(,) 253 196.67 T +1 11 Q +(42) 259 196.67 T +(OverflowError) 94.5 183.67 T +(. . . . . . . . . . . . . . . . .) 165 183.67 T +(12) 259 183.67 T 0 12 Q -(P) 94.5 123 T -1 11 Q -(parenthesized form) 94.5 109.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . .) 184.25 109.67 T -(28) 259 109.67 T -(parser) 94.5 96.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . . . .) 126.5 96.67 T -(3) 253 96.67 T -0 0 0 1 0 0 0 K +(P) 94.5 162 T +1 11 Q +(parenthesized form) 94.5 148.67 T +( . . . . . . . . . . . . .) 184.25 148.67 T +(28) 259 148.67 T +(parser) 94.5 135.67 T +(. . . . . . . . . . . . . . . . . . . . . . .) 126.5 135.67 T +(3) 253 135.67 T 1 12 Q -(,) 258.5 96.67 T -0 0 0 1 0 0 0 K -1 11 Q -(5) 264.5 96.67 T -(Pascal) 94.5 83.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . . . . .) 126.5 83.67 T -(48) 259 83.67 T -(pass) 94.5 70.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . . . . .) 118.25 70.67 T -(41) 259 70.67 T -(plain integer) 324 712.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . .) 385 712.67 T -(12) 471.5 712.67 T -0 0 0 1 0 0 0 K +(,) 258.5 135.67 T +1 11 Q +(5) 264.5 135.67 T +(Pascal) 94.5 122.67 T +(. . . . . . . . . . . . . . . . . . . . . . . .) 126.5 122.67 T +(48) 259 122.67 T +(pass) 94.5 109.67 T +( . . . . . . . . . . . . . . . . . . . . . . . . .) 118.25 109.67 T +(41) 259 109.67 T +(plain integer) 94.5 96.67 T +(. . . . . . . . . . . . . . . .) 154 96.67 T +(12) 242 96.67 T 1 12 Q -(,) 482.5 712.67 T -0 0 0 1 0 0 0 K -1 11 Q -(27) 488.5 712.67 T -(plain integer literal) 324 699.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . .) 412.5 699.67 T -(8) 494 699.67 T -(plus) 324 686.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . . . . . . .) 346.5 686.67 T +(,) 253 96.67 T +1 11 Q +(27) 259 96.67 T +(plain integer literal) 94.5 83.67 T +(. . . . . . . . . . . . . . .) 181.5 83.67 T +(8) 264.5 83.67 T +(plus) 94.5 70.67 T +( . . . . . . . . . . . . . . . . . . . . . . . . .) 118.25 70.67 T +(32) 259 70.67 T +(popen) 324 712.67 T +( . . . . . . . . . . . . . . . . . . . . . . . .) 354.75 712.67 T +(16) 488.5 712.67 T +(pow) 324 699.67 T +(. . . . . . . . . . . . . . . . . . . . . . . . . .) 346.5 699.67 T +(32) 488.5 699.67 T +(power operator) 324 686.67 T +(. . . . . . . . . . . . . . . . .) 396 686.67 T (32) 488.5 686.67 T -(popen) 324 673.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . . . .) 354.75 673.67 T -(16) 488.5 673.67 T -(pow) 324 660.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . . . . . . .) 346.5 660.67 T -(32) 488.5 660.67 T -(power operator) 324 647.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . .) 396 647.67 T -(32) 488.5 647.67 T -(primary) 324 634.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . . . .) 363 634.67 T -(29) 488.5 634.67 T -(print) 324 621.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . .) 349.25 621.67 T -(19) 471.5 621.67 T -0 0 0 1 0 0 0 K +(primary) 324 673.67 T +(. . . . . . . . . . . . . . . . . . . . . . .) 363 673.67 T +(29) 488.5 673.67 T +(print) 324 660.67 T +( . . . . . . . . . . . . . . . . . . . . . .) 349.25 660.67 T +(19) 471.5 660.67 T 1 12 Q -(,) 482.5 621.67 T -0 0 0 1 0 0 0 K -1 11 Q -(42) 488.5 621.67 T -(program) 324 608.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . .) 365.75 608.67 T -(53) 488.5 608.67 T +(,) 482.5 660.67 T +1 11 Q +(42) 488.5 660.67 T +(program) 324 647.67 T +( . . . . . . . . . . . . . . . . . . . . . .) 365.75 647.67 T +(53) 488.5 647.67 T 0 12 Q -(Q) 324 587 T -1 11 Q -(quotes) 324 573.67 T -(backward) 342 560.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . .) 390.5 560.67 T -(19) 471.5 560.67 T -0 0 0 1 0 0 0 K +(Q) 324 626 T +1 11 Q +(quotes) 324 612.67 T +(backward) 342 599.67 T +(. . . . . . . . . . . . . . .) 390.5 599.67 T +(19) 471.5 599.67 T 1 12 Q -(,) 482.5 560.67 T -0 0 0 1 0 0 0 K -1 11 Q -(29) 488.5 560.67 T -(double) 342 547.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . .) 376.75 547.67 T -(6) 494 547.67 T -(reverse) 342 534.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . .) 379.5 534.67 T -(19) 471.5 534.67 T -0 0 0 1 0 0 0 K +(,) 482.5 599.67 T +1 11 Q +(29) 488.5 599.67 T +(double) 342 586.67 T +( . . . . . . . . . . . . . . . . . . . . .) 376.75 586.67 T +(6) 494 586.67 T +(reverse) 342 573.67 T +(. . . . . . . . . . . . . . . . .) 379.5 573.67 T +(19) 471.5 573.67 T 1 12 Q -(,) 482.5 534.67 T -0 0 0 1 0 0 0 K -1 11 Q -(29) 488.5 534.67 T -(single) 342 521.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . . .) 374 521.67 T -(6) 494 521.67 T +(,) 482.5 573.67 T +1 11 Q +(29) 488.5 573.67 T +(single) 342 560.67 T +(. . . . . . . . . . . . . . . . . . . . . .) 374 560.67 T +(6) 494 560.67 T 0 12 Q -(R) 324 500 T -1 11 Q -(raise) 324 486.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . . . . .) 349.25 486.67 T -(42) 488.5 486.67 T -(raised an exception) 324 473.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . .) 412.5 473.67 T -(25) 488.5 473.67 T -(range) 324 460.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . . . . . .) 352 460.67 T -(48) 488.5 460.67 T -(raw_input) 324 447.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . .) 374 447.67 T -(54) 488.5 447.67 T -(readline) 324 434.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . . . .) 363 434.67 T -(54) 488.5 434.67 T -(recursive) 324 421.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . . .) 368.5 421.67 T -(29) 488.5 421.67 T -(reference) 324 408.67 T -(attribute) 342 395.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . .) 382.25 395.67 T -(29) 488.5 395.67 T -(circular) 342 382.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . .) 379.5 382.67 T -(11) 488.5 382.67 T -(count) 342 369.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . .) 371.25 369.67 T -(18) 488.5 369.67 T -(counting) 342 356.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . .) 385 356.67 T -(11) 488.5 356.67 T -(remainder) 324 343.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . .) 374 343.67 T -(33) 488.5 343.67 T -(repr) 324 330.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . .) 346.5 330.67 T -(19) 454.5 330.67 T -0 0 0 1 0 0 0 K +(R) 324 539 T +1 11 Q +(raise) 324 525.67 T +( . . . . . . . . . . . . . . . . . . . . . . . . .) 349.25 525.67 T +(42) 488.5 525.67 T +(raised an exception) 324 512.67 T +(. . . . . . . . . . . . . .) 412.5 512.67 T +(25) 488.5 512.67 T +(range) 324 499.67 T +(. . . . . . . . . . . . . . . . . . . . . . . . .) 352 499.67 T +(48) 488.5 499.67 T +(raw_input) 324 486.67 T +(. . . . . . . . . . . . . . . . . . . . .) 374 486.67 T +(54) 488.5 486.67 T +(readline) 324 473.67 T +(. . . . . . . . . . . . . . . . . . . . . . .) 363 473.67 T +(54) 488.5 473.67 T +(recursive) 324 460.67 T +(. . . . . . . . . . . . . . . . . . . . . .) 368.5 460.67 T +(29) 488.5 460.67 T +(reference) 324 447.67 T +(attribute) 342 434.67 T +( . . . . . . . . . . . . . . . . . . .) 382.25 434.67 T +(29) 488.5 434.67 T +(circular) 342 421.67 T +(. . . . . . . . . . . . . . . . . . . .) 379.5 421.67 T +(11) 488.5 421.67 T +(count) 342 408.67 T +( . . . . . . . . . . . . . . . . . . . . .) 371.25 408.67 T +(18) 488.5 408.67 T +(counting) 342 395.67 T +(. . . . . . . . . . . . . . . . . . .) 385 395.67 T +(11) 488.5 395.67 T +(remainder) 324 382.67 T +(. . . . . . . . . . . . . . . . . . . . .) 374 382.67 T +(33) 488.5 382.67 T +(repr) 324 369.67 T +(. . . . . . . . . . . . . . . . . . . .) 346.5 369.67 T +(19) 454.5 369.67 T 1 12 Q -(,) 465.5 330.67 T -0 0 0 1 0 0 0 K +(,) 465.5 369.67 T 1 11 Q -(29) 471.5 330.67 T -0 0 0 1 0 0 0 K +(29) 471.5 369.67 T 1 12 Q -(,) 482.5 330.67 T -0 0 0 1 0 0 0 K -1 11 Q -(39) 488.5 330.67 T -(representation) 324 317.67 T -(integer) 342 304.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . .) 376.75 304.67 T -(12) 488.5 304.67 T -(reserved word) 324 291.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . .) 390.5 291.67 T -(6) 494 291.67 T -(restricted execution mode) 324 278.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . .) 442.75 278.67 T -(24) 488.5 278.67 T -(return) 324 265.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . .) 354.75 265.67 T -(42) 471.5 265.67 T -0 0 0 1 0 0 0 K +(,) 482.5 369.67 T +1 11 Q +(39) 488.5 369.67 T +(representation) 324 356.67 T +(integer) 342 343.67 T +( . . . . . . . . . . . . . . . . . . . .) 376.75 343.67 T +(12) 488.5 343.67 T +(reserved word) 324 330.67 T +(. . . . . . . . . . . . . . . . . . .) 390.5 330.67 T +(6) 494 330.67 T +(restricted execution mode) 324 317.67 T +( . . . . . . . .) 442.75 317.67 T +(24) 488.5 317.67 T +(return) 324 304.67 T +( . . . . . . . . . . . . . . . . . . . . .) 354.75 304.67 T +(42) 471.5 304.67 T 1 12 Q -(,) 482.5 265.67 T -0 0 0 1 0 0 0 K +(,) 482.5 304.67 T 1 11 Q -(50) 488.5 265.67 T +(50) 488.5 304.67 T 0 12 Q -(S) 324 244 T -1 11 Q -(scope) 324 230.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . . . .) 354.75 230.67 T -(24) 488.5 230.67 T -(script) 324 217.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . . . . . .) 352 217.67 T -(23) 488.5 217.67 T -(semicolon) 324 204.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . .) 374 204.67 T -(47) 488.5 204.67 T -(sequence) 324 191.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . .) 368.5 191.67 T -(13) 386.5 191.67 T -0 0 0 1 0 0 0 K +(S) 324 283 T +1 11 Q +(scope) 324 269.67 T +( . . . . . . . . . . . . . . . . . . . . . . . .) 354.75 269.67 T +(24) 488.5 269.67 T +(script) 324 256.67 T +(. . . . . . . . . . . . . . . . . . . . . . . . .) 352 256.67 T +(23) 488.5 256.67 T +(semicolon) 324 243.67 T +(. . . . . . . . . . . . . . . . . . . . .) 374 243.67 T +(47) 488.5 243.67 T +(sequence) 324 230.67 T +(. . .) 368.5 230.67 T +(13) 386.5 230.67 T 1 12 Q -(,) 397.5 191.67 T -0 0 0 1 0 0 0 K +(,) 397.5 230.67 T 1 11 Q -(16) 403.5 191.67 T -0 0 0 1 0 0 0 K +(16) 403.5 230.67 T 1 12 Q -(,) 414.5 191.67 T -0 0 0 1 0 0 0 K +(,) 414.5 230.67 T 1 11 Q -(29) 420.5 191.67 T -0 0 0 1 0 0 0 K +(29) 420.5 230.67 T 1 12 Q -(\320) 431.5 191.67 T -0 0 0 1 0 0 0 K +(\320) 431.5 230.67 T 1 11 Q -(30) 437.5 191.67 T -0 0 0 1 0 0 0 K +(30) 437.5 230.67 T 1 12 Q -(,) 448.5 191.67 T -0 0 0 1 0 0 0 K +(,) 448.5 230.67 T 1 11 Q -(35) 454.5 191.67 T -0 0 0 1 0 0 0 K +(35) 454.5 230.67 T 1 12 Q -(,) 465.5 191.67 T -0 0 0 1 0 0 0 K +(,) 465.5 230.67 T 1 11 Q -(41) 471.5 191.67 T -0 0 0 1 0 0 0 K +(41) 471.5 230.67 T 1 12 Q -(,) 482.5 191.67 T -0 0 0 1 0 0 0 K -1 11 Q -(48) 488.5 191.67 T -(immutable) 342 178.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . .) 393.25 178.67 T -(13) 488.5 178.67 T -(mutable) 342 165.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . .) 382.25 165.67 T -(13) 488.5 165.67 T -(sign) 324 152.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . . . . . . . .) 346.5 152.67 T -(9) 494 152.67 T -(slice) 324 139.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . .) 349.25 139.67 T -(20) 454.5 139.67 T -0 0 0 1 0 0 0 K +(,) 482.5 230.67 T +1 11 Q +(48) 488.5 230.67 T +(immutable) 342 217.67 T +( . . . . . . . . . . . . . . . . .) 393.25 217.67 T +(13) 488.5 217.67 T +(mutable) 342 204.67 T +( . . . . . . . . . . . . . . . . . . .) 382.25 204.67 T +(13) 488.5 204.67 T +(sign) 324 191.67 T +(. . . . . . . . . . . . . . . . . . . . . . . . . . .) 346.5 191.67 T +(9) 494 191.67 T +(slice) 324 178.67 T +( . . . . . . . . . . . . . . . . . . .) 349.25 178.67 T +(20) 454.5 178.67 T 1 12 Q -(,) 465.5 139.67 T -0 0 0 1 0 0 0 K +(,) 465.5 178.67 T 1 11 Q -(30) 471.5 139.67 T -0 0 0 1 0 0 0 K +(30) 471.5 178.67 T 1 12 Q -(,) 482.5 139.67 T -0 0 0 1 0 0 0 K -1 11 Q -(41) 488.5 139.67 T -(boundary) 342 126.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . .) 387.75 126.67 T -(30) 471.5 126.67 T -0 0 0 1 0 0 0 K +(,) 482.5 178.67 T +1 11 Q +(41) 488.5 178.67 T +(boundary) 342 165.67 T +( . . . . . . . . . . . . . . .) 387.75 165.67 T +(30) 471.5 165.67 T 1 12 Q -(,) 482.5 126.67 T -0 0 0 1 0 0 0 K -1 11 Q -(41) 488.5 126.67 T -(extended) 342 113.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . .) 385 113.67 T -(30) 488.5 113.67 T -(simple) 342 100.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . .) 376.75 100.67 T -(30) 488.5 100.67 T -(Slice objects) 324 87.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . .) 385 87.67 T -(17) 488.5 87.67 T -(slicing) 324 74.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . .) 357.5 74.67 T -(13) 471.5 74.67 T -0 0 0 1 0 0 0 K +(,) 482.5 165.67 T +1 11 Q +(41) 488.5 165.67 T +(extended) 342 152.67 T +(. . . . . . . . . . . . . . . . . . .) 385 152.67 T +(30) 488.5 152.67 T +(simple) 342 139.67 T +( . . . . . . . . . . . . . . . . . . . .) 376.75 139.67 T +(30) 488.5 139.67 T +(Slice objects) 324 126.67 T +(. . . . . . . . . . . . . . . . . . .) 385 126.67 T +(17) 488.5 126.67 T +(slicing) 324 113.67 T +(. . . . . . . . . . . . . . . . . . . . .) 357.5 113.67 T +(13) 471.5 113.67 T 1 12 Q -(,) 482.5 74.67 T -0 0 0 1 0 0 0 K +(,) 482.5 113.67 T 1 11 Q -(30) 488.5 74.67 T -0 0 0 1 0 0 0 K +(30) 488.5 113.67 T +(space) 324 100.67 T +(. . . . . . . . . . . . . . . . . . . . . . . . . .) 352 100.67 T +(4) 494 100.67 T +(space count) 324 87.67 T +(. . . . . . . . . . . . . . . . . . . . .) 379.5 87.67 T +(4) 494 87.67 T +(square bracket) 324 74.67 T +( . . . . . . . . . . . . . . . . . .) 393.25 74.67 T +(4) 494 74.67 T FMENDPAGE %%EndPage: "59" 65 %%Page: "60" 66 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 0 12 Q 0 X -0 0 0 1 0 0 0 K 4.8 (I) 270 748 S 0 9.6 Q 4.8 (NDEX) 278.13 748 S -0 0 0 1 0 0 0 K 1 10 Q (60) 76.5 32.83 T -0 0 0 1 0 0 0 K 297 720 297 63 2 L 0.5 H 2 Z N 67.5 720 67.5 63 2 L N -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 1 11 Q -(space) 76.5 712.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(stack) 76.5 712.67 T (. . . . . . . . . . . . . . . . . . . . . . . . . .) 104.5 712.67 T (4) 246.5 712.67 T -(space count) 76.5 699.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . .) 132 699.67 T -(4) 246.5 699.67 T -(square bracket) 76.5 686.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . .) 145.75 686.67 T -(4) 246.5 686.67 T -(stack) 76.5 673.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . . . . . . .) 104.5 673.67 T -(4) 246.5 673.67 T -(execution) 94.5 660.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . .) 143 660.67 T -(17) 241 660.67 T -(stack frame) 76.5 647.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . .) 132 647.67 T -(17) 241 647.67 T -(standard inpu) 76.5 634.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . .) 140.25 634.67 T -(53) 241 634.67 T -(standard output) 76.5 621.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . .) 148.5 621.67 T -(42) 241 621.67 T -(statement) 76.5 608.67 T -(assignment) 94.5 595.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . .) 148.5 595.67 T -(13) 241 595.67 T -(compound) 94.5 582.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . .) 145.75 582.67 T -(47) 241 582.67 T -(expression) 94.5 569.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . .) 145.75 569.67 T -(39) 241 569.67 T -(loop) 94.5 556.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . .) 118.25 556.67 T -(43) 224 556.67 T -0 0 0 1 0 0 0 K +(execution) 94.5 699.67 T +(. . . . . . . . . . . . . . . . . .) 143 699.67 T +(17) 241 699.67 T +(stack frame) 76.5 686.67 T +(. . . . . . . . . . . . . . . . . . . .) 132 686.67 T +(17) 241 686.67 T +(standard inpu) 76.5 673.67 T +( . . . . . . . . . . . . . . . . . .) 140.25 673.67 T +(53) 241 673.67 T +(standard output) 76.5 660.67 T +(. . . . . . . . . . . . . . . . .) 148.5 660.67 T +(42) 241 660.67 T +(statement) 76.5 647.67 T +(assignment) 94.5 634.67 T +(. . . . . . . . . . . . . . . . .) 148.5 634.67 T +(13) 241 634.67 T +(compound) 94.5 621.67 T +( . . . . . . . . . . . . . . . . .) 145.75 621.67 T +(47) 241 621.67 T +(expression) 94.5 608.67 T +( . . . . . . . . . . . . . . . . .) 145.75 608.67 T +(39) 241 608.67 T +(loop) 94.5 595.67 T +( . . . . . . . . . . . . . . . . . . .) 118.25 595.67 T +(43) 224 595.67 T 1 12 Q -(,) 235 556.67 T -0 0 0 1 0 0 0 K -1 11 Q -(48) 241 556.67 T -(simple) 94.5 543.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . .) 129.25 543.67 T -(39) 241 543.67 T -(statement grouping) 76.5 530.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . .) 165 530.67 T -(4) 246.5 530.67 T -(statements) 76.5 517.67 T -(assignment) 94.5 504.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . .) 148.5 504.67 T -(40) 241 504.67 T -(stderr) 76.5 491.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . . . .) 107.25 491.67 T -(16) 241 491.67 T -(stdin) 76.5 478.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . . . . .) 101.75 478.67 T -(16) 241 478.67 T -(stdout) 76.5 465.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . .) 107.25 465.67 T -(16) 224 465.67 T -0 0 0 1 0 0 0 K +(,) 235 595.67 T +1 11 Q +(48) 241 595.67 T +(simple) 94.5 582.67 T +( . . . . . . . . . . . . . . . . . . . .) 129.25 582.67 T +(39) 241 582.67 T +(statement grouping) 76.5 569.67 T +(. . . . . . . . . . . . . . .) 165 569.67 T +(4) 246.5 569.67 T +(statements) 76.5 556.67 T +(assignment) 94.5 543.67 T +(. . . . . . . . . . . . . . . . .) 148.5 543.67 T +(40) 241 543.67 T +(stderr) 76.5 530.67 T +( . . . . . . . . . . . . . . . . . . . . . . . .) 107.25 530.67 T +(16) 241 530.67 T +(stdin) 76.5 517.67 T +( . . . . . . . . . . . . . . . . . . . . . . . . .) 101.75 517.67 T +(16) 241 517.67 T +(stdout) 76.5 504.67 T +( . . . . . . . . . . . . . . . . . . . . .) 107.25 504.67 T +(16) 224 504.67 T 1 12 Q -(,) 235 465.67 T -0 0 0 1 0 0 0 K -1 11 Q -(42) 241 465.67 T -(str) 76.5 452.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . . . .) 90.75 452.67 T -(19) 224 452.67 T -0 0 0 1 0 0 0 K +(,) 235 504.67 T +1 11 Q +(42) 241 504.67 T +(str) 76.5 491.67 T +( . . . . . . . . . . . . . . . . . . . . . . . .) 90.75 491.67 T +(19) 224 491.67 T 1 12 Q -(,) 235 452.67 T -0 0 0 1 0 0 0 K -1 11 Q -(29) 241 452.67 T -(string) 76.5 439.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . .) 107.25 439.67 T -(13) 190 439.67 T -0 0 0 1 0 0 0 K +(,) 235 491.67 T +1 11 Q +(29) 241 491.67 T +(string) 76.5 478.67 T +( . . . . . . . . . . . . . . .) 107.25 478.67 T +(13) 190 478.67 T 1 12 Q -(,) 201 439.67 T -0 0 0 1 0 0 0 K +(,) 201 478.67 T 1 11 Q -(29) 207 439.67 T -0 0 0 1 0 0 0 K +(29) 207 478.67 T 1 12 Q -(\320) 218 439.67 T -0 0 0 1 0 0 0 K +(\320) 218 478.67 T 1 11 Q -(30) 224 439.67 T -0 0 0 1 0 0 0 K +(30) 224 478.67 T 1 12 Q -(,) 235 439.67 T -0 0 0 1 0 0 0 K -1 11 Q -(48) 241 439.67 T -(triple-quoted) 94.5 426.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . .) 156.75 426.67 T -(4) 246.5 426.67 T -(string literal) 76.5 413.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . .) 134.75 413.67 T -(6) 246.5 413.67 T -(concatenation) 94.5 400.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . .) 159.5 400.67 T -(8) 246.5 400.67 T -(subscription) 76.5 387.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . .) 134.75 387.67 T -(13) 224 387.67 T -0 0 0 1 0 0 0 K +(,) 235 478.67 T +1 11 Q +(48) 241 478.67 T +(triple-quoted) 94.5 465.67 T +( . . . . . . . . . . . . . . . .) 156.75 465.67 T +(4) 246.5 465.67 T +(string literal) 76.5 452.67 T +( . . . . . . . . . . . . . . . . . . . .) 134.75 452.67 T +(6) 246.5 452.67 T +(concatenation) 94.5 439.67 T +(. . . . . . . . . . . . . . . .) 159.5 439.67 T +(8) 246.5 439.67 T +(subscription) 76.5 426.67 T +( . . . . . . . . . . . . . . . .) 134.75 426.67 T +(13) 224 426.67 T 1 12 Q -(,) 235 387.67 T -0 0 0 1 0 0 0 K -1 11 Q -(29) 241 387.67 T -(subtraction) 76.5 374.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . .) 129.25 374.67 T -(33) 241 374.67 T -(suite) 76.5 361.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . . . . .) 101.75 361.67 T -(47) 241 361.67 T -(suppression) 76.5 348.67 T -(newline) 94.5 335.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . .) 134.75 335.67 T -(42) 241 335.67 T -(syntax) 76.5 322.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . . .) 110 322.67 T -(1) 229.5 322.67 T -0 0 0 1 0 0 0 K +(,) 235 426.67 T +1 11 Q +(29) 241 426.67 T +(subtraction) 76.5 413.67 T +( . . . . . . . . . . . . . . . . . . . .) 129.25 413.67 T +(33) 241 413.67 T +(suite) 76.5 400.67 T +( . . . . . . . . . . . . . . . . . . . . . . . . .) 101.75 400.67 T +(47) 241 400.67 T +(suppression) 76.5 387.67 T +(newline) 94.5 374.67 T +( . . . . . . . . . . . . . . . . . . .) 134.75 374.67 T +(42) 241 374.67 T +(syntax) 76.5 361.67 T +(. . . . . . . . . . . . . . . . . . . . . .) 110 361.67 T +(1) 229.5 361.67 T 1 12 Q -(,) 235 322.67 T -0 0 0 1 0 0 0 K -1 11 Q -(27) 241 322.67 T -(sys) 76.5 309.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . . .) 96.25 309.67 T -(42) 224 309.67 T -0 0 0 1 0 0 0 K +(,) 235 361.67 T +1 11 Q +(27) 241 361.67 T +(sys) 76.5 348.67 T +( . . . . . . . . . . . . . . . . . . . . . . .) 96.25 348.67 T +(42) 224 348.67 T 1 12 Q -(,) 235 309.67 T -0 0 0 1 0 0 0 K -1 11 Q -(53) 241 309.67 T -(exc_traceback) 94.5 296.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . .) 162.25 296.67 T -(17) 224 296.67 T -0 0 0 1 0 0 0 K +(,) 235 348.67 T +1 11 Q +(53) 241 348.67 T +(exc_traceback) 94.5 335.67 T +( . . . . . . . . . . .) 162.25 335.67 T +(17) 224 335.67 T 1 12 Q -(,) 235 296.67 T -0 0 0 1 0 0 0 K -1 11 Q -(49) 241 296.67 T -(exc_type) 94.5 283.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . .) 137.5 283.67 T -(49) 241 283.67 T -(exc_value) 94.5 270.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . .) 143 270.67 T -(49) 241 270.67 T -(last_traceback) 94.5 257.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . .) 162.25 257.67 T -(17) 241 257.67 T -(sys.exc_traceback) 76.5 244.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . .) 159.5 244.67 T -(18) 241 244.67 T -(sys.last_traceback) 76.5 231.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . .) 159.5 231.67 T -(18) 241 231.67 T -(sys.modules) 76.5 218.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . .) 134.75 218.67 T -(43) 241 218.67 T -(sys.stderr) 76.5 205.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . .) 123.75 205.67 T -(16) 241 205.67 T -(sys.stdin) 76.5 192.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . .) 118.25 192.67 T -(16) 241 192.67 T -(sys.stdout) 76.5 179.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . .) 123.75 179.67 T -(16) 241 179.67 T +(,) 235 335.67 T +1 11 Q +(49) 241 335.67 T +(exc_type) 94.5 322.67 T +(. . . . . . . . . . . . . . . . . . .) 137.5 322.67 T +(49) 241 322.67 T +(exc_value) 94.5 309.67 T +(. . . . . . . . . . . . . . . . . .) 143 309.67 T +(49) 241 309.67 T +(last_traceback) 94.5 296.67 T +( . . . . . . . . . . . . . .) 162.25 296.67 T +(17) 241 296.67 T +(sys.exc_traceback) 76.5 283.67 T +(. . . . . . . . . . . . . . .) 159.5 283.67 T +(18) 241 283.67 T +(sys.last_traceback) 76.5 270.67 T +(. . . . . . . . . . . . . . .) 159.5 270.67 T +(18) 241 270.67 T +(sys.modules) 76.5 257.67 T +( . . . . . . . . . . . . . . . . . . .) 134.75 257.67 T +(43) 241 257.67 T +(sys.stderr) 76.5 244.67 T +( . . . . . . . . . . . . . . . . . . . . .) 123.75 244.67 T +(16) 241 244.67 T +(sys.stdin) 76.5 231.67 T +( . . . . . . . . . . . . . . . . . . . . . .) 118.25 231.67 T +(16) 241 231.67 T +(sys.stdout) 76.5 218.67 T +( . . . . . . . . . . . . . . . . . . . . .) 123.75 218.67 T +(16) 241 218.67 T 0 12 Q -(T) 76.5 158 T -1 11 Q -(tab) 76.5 144.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . . . . . . . . .) 93.5 144.67 T -(4) 246.5 144.67 T -(target) 76.5 131.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . . . . .) 107.25 131.67 T -(40) 241 131.67 T -(deletion) 94.5 118.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . .) 134.75 118.67 T -(41) 241 118.67 T -(loop control) 94.5 105.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . .) 151.25 105.67 T -(43) 241 105.67 T -(test) 76.5 92.67 T -(identity) 94.5 79.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . .) 132 79.67 T -(35) 241 79.67 T -(membership) 94.5 66.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . .) 154 66.67 T -(35) 241 66.67 T +(T) 76.5 197 T +1 11 Q +(tab) 76.5 183.67 T +(. . . . . . . . . . . . . . . . . . . . . . . . . . . .) 93.5 183.67 T +(4) 246.5 183.67 T +(target) 76.5 170.67 T +( . . . . . . . . . . . . . . . . . . . . . . . .) 107.25 170.67 T +(40) 241 170.67 T +(deletion) 94.5 157.67 T +( . . . . . . . . . . . . . . . . . . .) 134.75 157.67 T +(41) 241 157.67 T +(loop control) 94.5 144.67 T +( . . . . . . . . . . . . . . . .) 151.25 144.67 T +(43) 241 144.67 T +(test) 76.5 131.67 T +(identity) 94.5 118.67 T +(. . . . . . . . . . . . . . . . . . . .) 132 118.67 T +(35) 241 118.67 T +(membership) 94.5 105.67 T +(. . . . . . . . . . . . . . . .) 154 105.67 T +(35) 241 105.67 T (token) 306 712.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . . . . . .) 335.5 712.67 T (3) 476 712.67 T (delimiter) 324 699.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . .) 368.5 699.67 T (5) 476 699.67 T (identifier) 324 686.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . .) 368.5 686.67 T (5) 476 686.67 T (keyword) 324 673.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . .) 365.75 673.67 T (5) 476 673.67 T (literal) 324 660.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . . . .) 354.75 660.67 T (5) 476 660.67 T (operator) 324 647.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . .) 365.75 647.67 T (5) 476 647.67 T (tracback object) 306 634.67 T (tb_frame) 324 621.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . .) 368.5 621.67 T (17) 470.5 621.67 T (tb_lasti) 324 608.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . .) 360.25 608.67 T (17) 470.5 608.67 T (tb_lineno) 324 595.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . .) 371.25 595.67 T (17) 470.5 595.67 T (tb_next) 324 582.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . . .) 360.25 582.67 T (17) 470.5 582.67 T (trace) 306 569.67 T (stack) 324 556.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . .) 352 556.67 T (17) 470.5 556.67 T (traceback) 306 543.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . . . . . .) 352 543.67 T (43) 470.5 543.67 T (traceback object) 306 530.67 T (exc_traceback) 324 517.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . .) 390.5 517.67 T (17) 470.5 517.67 T (last_traceback) 324 504.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . .) 390.5 504.67 T (17) 470.5 504.67 T (transformation) 306 491.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K (. . . . . . . . . . . . . . . . . .) 374 491.67 T (15) 470.5 491.67 T -(triple-quoted strings) 306 478.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . .) 398.75 478.67 T -(6) 476 478.67 T -(try) 306 465.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . .) 321.75 465.67 T -(11) 419.5 465.67 T -0 0 0 1 0 0 0 K +(try) 306 478.67 T +( . . . . . . . . . . . . . . . . .) 321.75 478.67 T +(11) 419.5 478.67 T 1 12 Q -(,) 430.5 465.67 T -0 0 0 1 0 0 0 K +(,) 430.5 478.67 T 1 11 Q -(17) 436.5 465.67 T -0 0 0 1 0 0 0 K +(17) 436.5 478.67 T 1 12 Q -(,) 447.5 465.67 T -0 0 0 1 0 0 0 K +(,) 447.5 478.67 T 1 11 Q -(42) 453.5 465.67 T -0 0 0 1 0 0 0 K +(42) 453.5 478.67 T 1 12 Q -(,) 464.5 465.67 T -0 0 0 1 0 0 0 K -1 11 Q -(49) 470.5 465.67 T -(finally) 324 452.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . .) 357.5 452.67 T -(43) 470.5 452.67 T -(tuple) 306 439.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . .) 332.75 439.67 T -(13) 402.5 439.67 T -0 0 0 1 0 0 0 K +(,) 464.5 478.67 T +1 11 Q +(49) 470.5 478.67 T +(finally) 324 465.67 T +(. . . . . . . . . . . . . . . . . . . . .) 357.5 465.67 T +(43) 470.5 465.67 T +(tuple) 306 452.67 T +( . . . . . . . . . . . .) 332.75 452.67 T +(13) 402.5 452.67 T 1 12 Q -(,) 413.5 439.67 T -0 0 0 1 0 0 0 K +(,) 413.5 452.67 T 1 11 Q -(29) 419.5 439.67 T -0 0 0 1 0 0 0 K +(29) 419.5 452.67 T 1 12 Q -(\320) 430.5 439.67 T -0 0 0 1 0 0 0 K +(\320) 430.5 452.67 T 1 11 Q -(30) 436.5 439.67 T -0 0 0 1 0 0 0 K +(30) 436.5 452.67 T 1 12 Q -(,) 447.5 439.67 T -0 0 0 1 0 0 0 K +(,) 447.5 452.67 T 1 11 Q -(36) 453.5 439.67 T -0 0 0 1 0 0 0 K +(36) 453.5 452.67 T 1 12 Q -(,) 464.5 439.67 T -0 0 0 1 0 0 0 K -1 11 Q -(48) 470.5 439.67 T -(empty) 324 426.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . .) 354.75 426.67 T -(13) 436.5 426.67 T -0 0 0 1 0 0 0 K +(,) 464.5 452.67 T +1 11 Q +(48) 470.5 452.67 T +(empty) 324 439.67 T +( . . . . . . . . . . . . . .) 354.75 439.67 T +(13) 436.5 439.67 T 1 12 Q -(,) 447.5 426.67 T -0 0 0 1 0 0 0 K +(,) 447.5 439.67 T 1 11 Q -(28) 453.5 426.67 T -0 0 0 1 0 0 0 K +(28) 453.5 439.67 T 1 12 Q -(,) 464.5 426.67 T -0 0 0 1 0 0 0 K -1 11 Q -(36) 470.5 426.67 T -(singleton) 324 413.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . .) 368.5 413.67 T -(13) 470.5 413.67 T -(type) 306 400.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . . .) 330 400.67 T -(11) 453.5 400.67 T -0 0 0 1 0 0 0 K +(,) 464.5 439.67 T +1 11 Q +(36) 470.5 439.67 T +(singleton) 324 426.67 T +(. . . . . . . . . . . . . . . . . . .) 368.5 426.67 T +(13) 470.5 426.67 T +(type) 306 413.67 T +(. . . . . . . . . . . . . . . . . . . . . .) 330 413.67 T +(11) 453.5 413.67 T 1 12 Q -(\320) 464.5 400.67 T -0 0 0 1 0 0 0 K +(\320) 464.5 413.67 T 1 11 Q +(12) 470.5 413.67 T +(data) 324 400.67 T +(. . . . . . . . . . . . . . . . . . . . . . .) 346.5 400.67 T (12) 470.5 400.67 T -(data) 324 387.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . . . .) 346.5 387.67 T -(12) 470.5 387.67 T -(immutable) 342 374.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . .) 393.25 374.67 T -(28) 470.5 374.67 T -(hierarchy) 324 361.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . .) 371.25 361.67 T -(12) 470.5 361.67 T -(TypeError) 306 348.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . .) 357.5 348.67 T -(29) 419.5 348.67 T -0 0 0 1 0 0 0 K +(immutable) 342 387.67 T +( . . . . . . . . . . . . . .) 393.25 387.67 T +(28) 470.5 387.67 T +(hierarchy) 324 374.67 T +( . . . . . . . . . . . . . . . . . .) 371.25 374.67 T +(12) 470.5 374.67 T +(TypeError) 306 361.67 T +(. . . . . . . . . . .) 357.5 361.67 T +(29) 419.5 361.67 T 1 12 Q -(,) 430.5 348.67 T -0 0 0 1 0 0 0 K +(,) 430.5 361.67 T 1 11 Q -(31) 436.5 348.67 T -0 0 0 1 0 0 0 K +(31) 436.5 361.67 T 1 12 Q -(\320) 447.5 348.67 T -0 0 0 1 0 0 0 K +(\320) 447.5 361.67 T 1 11 Q -(32) 453.5 348.67 T -0 0 0 1 0 0 0 K +(32) 453.5 361.67 T 1 12 Q -(,) 464.5 348.67 T -0 0 0 1 0 0 0 K +(,) 464.5 361.67 T 1 11 Q -(40) 470.5 348.67 T +(40) 470.5 361.67 T 0 12 Q -(U) 306 327 T -1 11 Q -(UNIX) 306 313.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . .) 338.25 313.67 T -(4) 459 313.67 T -0 0 0 1 0 0 0 K +(U) 306 340 T +1 11 Q +(UNIX) 306 326.67 T +( . . . . . . . . . . . . . . . . . . . . .) 338.25 326.67 T +(4) 459 326.67 T 1 12 Q -(,) 464.5 313.67 T -0 0 0 1 0 0 0 K -1 11 Q -(53) 470.5 313.67 T -(unrecognized escape sequences) 306 300.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . .) 448.25 300.67 T -(7) 476 300.67 T -(user-defined) 306 287.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . .) 365.75 287.67 T -(14) 470.5 287.67 T -(user-defined function) 306 274.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . .) 404.25 274.67 T -(32) 470.5 274.67 T +(,) 464.5 326.67 T +1 11 Q +(53) 470.5 326.67 T +(unrecognized escape sequences) 306 313.67 T +( . . . . .) 448.25 313.67 T +(7) 476 313.67 T +(user-defined) 306 300.67 T +( . . . . . . . . . . . . . . . . . . .) 365.75 300.67 T +(14) 470.5 300.67 T +(user-defined function) 306 287.67 T +( . . . . . . . . . . . .) 404.25 287.67 T +(32) 470.5 287.67 T 0 12 Q -(V) 306 253 T -1 11 Q -(value) 306 239.67 T -(parameter) 324 226.67 T -(default) 342 213.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . .) 376.75 213.67 T -(50) 470.5 213.67 T -(writing) 324 200.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +(V) 306 266 T +1 11 Q +(value) 306 252.67 T +(parameter) 324 239.67 T +(default) 342 226.67 T +( . . . . . . . . . . . . . . . . .) 376.75 226.67 T +(50) 470.5 226.67 T +(writing) 324 213.67 T +( . . . . . . . . . . . . . . . . . . . .) 360.25 213.67 T +(39) 470.5 213.67 T +(ValueError) 306 200.67 T ( . . . . . . . . . . . . . . . . . . . .) 360.25 200.67 T -(39) 470.5 200.67 T -(ValueError) 306 187.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . .) 360.25 187.67 T -(33) 470.5 187.67 T -(values) 306 174.67 T -(writing) 324 161.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . .) 360.25 161.67 T -(42) 470.5 161.67 T -(Von Neumann) 306 148.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . .) 374 148.67 T -(11) 470.5 148.67 T +(33) 470.5 200.67 T +(values) 306 187.67 T +(writing) 324 174.67 T +( . . . . . . . . . . . . . . . . . . . .) 360.25 174.67 T +(42) 470.5 174.67 T +(Von Neumann) 306 161.67 T +(. . . . . . . . . . . . . . . . . .) 374 161.67 T +(11) 470.5 161.67 T 0 12 Q -(W) 306 127 T -1 11 Q -(while) 306 113.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -(. . . . . . . . . . . . . . . . . . . . .) 335.5 113.67 T -(43) 453.5 113.67 T -0 0 0 1 0 0 0 K +(W) 306 140 T +1 11 Q +(while) 306 126.67 T +(. . . . . . . . . . . . . . . . . . . . .) 335.5 126.67 T +(43) 453.5 126.67 T 1 12 Q -(,) 464.5 113.67 T -0 0 0 1 0 0 0 K -1 11 Q -(48) 470.5 113.67 T -(whitespace) 306 100.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -( . . . . . . . . . . . . . . . . . . . . .) 360.25 100.67 T -(4) 476 100.67 T -0 0 0 1 0 0 0 K +(,) 464.5 126.67 T +1 11 Q +(48) 470.5 126.67 T +(whitespace) 306 113.67 T +( . . . . . . . . . . . . . . . . . . . . .) 360.25 113.67 T +(4) 476 113.67 T FMENDPAGE %%EndPage: "60" 66 %%Page: "61" 67 612 792 0 FMBEGINPAGE -[0 0 0 1 0 0 0] -[ 0 1 1 0 1 0 0] -[ 1 0 1 0 0 1 0] -[ 1 1 0 0 0 0 1] -[ 1 0 0 0 0 1 1] -[ 0 1 0 0 1 0 1] -[ 0 0 1 0 1 1 0] - 7 FrameSetSepColors +0 FrameSetSepColors FrameNoSep -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K +0 0 0 1 0 0 0 1 K 0 12 Q 0 X -0 0 0 1 0 0 0 K 4.8 (I) 288 748 S 0 9.6 Q 4.8 (NDEX) 296.13 748 S -0 0 0 1 0 0 0 K 1 10 Q (61) 525.5 32.83 T -0 0 0 1 0 0 0 K 315 720 315 63 2 L 0.5 H 2 Z N 85.5 720 85.5 63 2 L N -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K 0 12 Q (X) 94.5 712 T 1 11 Q (xor) 94.5 698.67 T (bit-wise) 112.5 685.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . . . . . . .) 151.25 685.67 T (34) 259 685.67 T 0 12 Q (Z) 324 712 T 1 11 Q (ZeroDivisionError) 324 698.67 T -0 0 0 1 0 0 0 K -0 0 0 1 0 0 0 K ( . . . . . . . . . . . . . .) 409.75 698.67 T (33) 488.5 698.67 T -0 0 0 1 0 0 0 K FMENDPAGE %%EndPage: "61" 67 %%Trailer +FMENDDOCUMENT %%BoundingBox: 0 0 612 792 %%PageOrder: Ascend %%Pages: 67 @@ -16416,4 +33372,13 @@ FMENDPAGE %%+ Helvetica %%+ Courier-Oblique %%+ Courier-Bold +%%DocumentNeedsFonts: Helvetica-Bold +%%+ Times-Roman +%%+ Courier 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