diff options
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/tut/tut.tex | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/Doc/tut/tut.tex b/Doc/tut/tut.tex index 47da9aa..b03f683 100644 --- a/Doc/tut/tut.tex +++ b/Doc/tut/tut.tex @@ -2,9 +2,6 @@ \usepackage[T1]{fontenc} % Things to do: -% Add a section on file I/O -% Write a chapter entitled ``Some Useful Modules'' -% --re, math+cmath % Should really move the Python startup file info to an appendix \title{Python Tutorial} @@ -4397,7 +4394,7 @@ operating system: \begin{verbatim} >>> import os ->>> os.system('copy /data/mydata.fil /backup/mydata.fil') +>>> os.system('time 0:02') 0 >>> os.getcwd() # Return the current working directory 'C:\\Python24' @@ -4484,9 +4481,7 @@ The most direct way to terminate a script is to use \samp{sys.exit()}. The \ulink{\module{re}}{../lib/module-re.html} module provides regular expression tools for advanced string processing. -When only simple capabilities are needed, string methods are preferred -because they are easier to read and debug. However, for more -sophisticated applications, regular expressions can provide succinct, +For complex matching and manipulation, regular expressions offer succinct, optimized solutions: \begin{verbatim} @@ -4497,6 +4492,13 @@ optimized solutions: 'cat in the hat' \end{verbatim} +When only simple capabilities are needed, string methods are preferred +because they are easier to read and debug: + +\begin{verbatim} +>>> 'tea for too'.replace('too', 'two') +'tea for two' +\end{verbatim} \section{Mathematics\label{mathematics}} |