From: Raymond Hettinger <python@rcn.com>
Date: Tue, 26 Apr 2016 08:11:10 +0000 (-0700)
Subject: Issue #24715: Improve sort stability example
X-Git-Tag: v3.6.0a1~114^2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=b9531bcdcce35c443f1b7c6f1c79ed8ae575f36b;p=thirdparty%2FPython%2Fcpython.git

Issue #24715: Improve sort stability example
---

diff --git a/Doc/howto/sorting.rst b/Doc/howto/sorting.rst
index 10cb94cd0f4d..0334b2665754 100644
--- a/Doc/howto/sorting.rst
+++ b/Doc/howto/sorting.rst
@@ -262,7 +262,11 @@ Odd and Ends
   twice:
 
     >>> data = [('red', 1), ('blue', 1), ('red', 2), ('blue', 2)]
-    >>> assert sorted(data, reverse=True) == list(reversed(sorted(reversed(data))))
+    >>> standard_way = sorted(data, key=itemgetter(0), reverse=True)
+    >>> double_reversed = list(reversed(sorted(reversed(data), key=itemgetter(0))))
+    >>> assert standard_way == double_reversed
+    >>> standard_way
+    [('red', 1), ('red', 2), ('blue', 1), ('blue', 2)]
 
 * The sort routines are guaranteed to use :meth:`__lt__` when making comparisons
   between two objects. So, it is easy to add a standard sort order to a class by