[Python-checkins] r66872 - python/trunk/Doc/library/functions.rst

Fri Oct 10 22:51:38 CEST 2008

Author: benjamin.peterson
Date: Fri Oct 10 22:51:37 2008
New Revision: 66872
Log:
talk about how you can unzip with zip
Modified:
 python/trunk/Doc/library/functions.rst
Modified: python/trunk/Doc/library/functions.rst
==============================================================================

--- python/trunk/Doc/library/functions.rst	(original)
+++ python/trunk/Doc/library/functions.rst	Fri Oct 10 22:51:37 2008
@@ -1387,6 +1387,18 @@
 makes possible an idiom for clustering a data series into n-length groups
 using ``zip(*[iter(s)]*n)``.
 
+ :func:`zip` in conjunction with the ``*`` operator can be used to unzip a
+ list::
+
+ >>> x = [1, 2, 3]
+ >>> y = [4, 5, 6]
+ >>> zipped = zip(x, y)
+ >>> zipped
+ [(1, 4), (2, 5), (3, 6)]
+ >>> x2, y2 = zip(*zipped)
+ >>> x == x2, y == y2
+ True
+
 .. versionadded:: 2.0
 
 .. versionchanged:: 2.4
