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authorGuido van Rossum <guido@python.org>2007-08-31 03:25:11 (GMT)
committerGuido van Rossum <guido@python.org>2007-08-31 03:25:11 (GMT)
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tree5a6c2a06d6c8aa125c0fb4fcb278020b6c585e12 /Doc/tutorial/inputoutput.rst
parent8b2af27dae7c80218c9912052ac1b4c6144ce746 (diff)
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Tutorial update for 3.0 by Paul Dubois.
I had to fix a few markup issues in controlflow.rst and modules.rst. There's a unicode issue on line 448 in introduction.rst that someone else needs to fix.
Diffstat (limited to 'Doc/tutorial/inputoutput.rst')
-rw-r--r--Doc/tutorial/inputoutput.rst22
1 files changed, 12 insertions, 10 deletions
diff --git a/Doc/tutorial/inputoutput.rst b/Doc/tutorial/inputoutput.rst
index 9c302af..a58b92a 100644
--- a/Doc/tutorial/inputoutput.rst
+++ b/Doc/tutorial/inputoutput.rst
@@ -15,7 +15,7 @@ Fancier Output Formatting
=========================
So far we've encountered two ways of writing values: *expression statements* and
-the :keyword:`print` statement. (A third way is using the :meth:`write` method
+the :func:`print` function. (A third way is using the :meth:`write` method
of file objects; the standard output file can be referenced as ``sys.stdout``.
See the Library Reference for more information on this.)
@@ -61,12 +61,12 @@ Some examples::
>>> x = 10 * 3.25
>>> y = 200 * 200
>>> s = 'The value of x is ' + repr(x) + ', and y is ' + repr(y) + '...'
- >>> print s
+ >>> print(s)
The value of x is 32.5, and y is 40000...
>>> # The repr() of a string adds string quotes and backslashes:
... hello = 'hello, world\n'
>>> hellos = repr(hello)
- >>> print hellos
+ >>> print(hellos)
'hello, world\n'
>>> # The argument to repr() may be any Python object:
... repr((x, y, ('spam', 'eggs')))
@@ -78,9 +78,9 @@ Some examples::
Here are two ways to write a table of squares and cubes::
>>> for x in range(1, 11):
- ... print repr(x).rjust(2), repr(x*x).rjust(3),
- ... # Note trailing comma on previous line
- ... print repr(x*x*x).rjust(4)
+ ... print(repr(x).rjust(2), repr(x*x).rjust(3),end=' ')
+ ... # Note use of 'end' on previous line
+ ... print(repr(x*x*x).rjust(4))
...
1 1 1
2 4 8
@@ -94,7 +94,7 @@ Here are two ways to write a table of squares and cubes::
10 100 1000
>>> for x in range(1,11):
- ... print '%2d %3d %4d' % (x, x*x, x*x*x)
+ ... print('%2d %3d %4d' % (x, x*x, x*x*x))
...
1 1 1
2 4 8
@@ -108,7 +108,7 @@ Here are two ways to write a table of squares and cubes::
10 100 1000
(Note that in the first example, one space between each column was added by the
-way :keyword:`print` works: it always adds spaces between its arguments.)
+way :func:`print` works: it always adds spaces between its arguments.)
This example demonstrates the :meth:`rjust` method of string objects, which
right-justifies a string in a field of a given width by padding it with spaces
@@ -165,6 +165,8 @@ shown here::
This is particularly useful in combination with the new built-in :func:`vars`
function, which returns a dictionary containing all local variables.
+The :mod:`string` module contains a class Template which offers yet another way
+to substitute values into strings.
.. _tut-files:
@@ -183,7 +185,7 @@ arguments: ``open(filename, mode)``.
::
>>> f=open('/tmp/workfile', 'w')
- >>> print f
+ >>> print(f)
<open file '/tmp/workfile', mode 'w' at 80a0960>
The first argument is a string containing the filename. The second argument is
@@ -254,7 +256,7 @@ An alternate approach to reading lines is to loop over the file object. This is
memory efficient, fast, and leads to simpler code::
>>> for line in f:
- print line,
+ print(line, end='')
This is the first line of the file.
Second line of the file