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narfdotpl/gist:621290

Created October 11, 2010 21:39
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gistfile1.txt
Python 2.7 (r27:82500, Jul 6 2010, 21:27:24)
[GCC 4.2.1 (Apple Inc. build 5659)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> s = 'foo'
>>> s is s.lower()
False
>>> s is s.replace('a', 'b')
True
>>> s is s.replace('o', 'o')
False
Python 3.1.2 (r312:79147, Oct 11 2010, 23:34:00)
[GCC 4.2.1 (Apple Inc. build 5664)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> s = 'foo'
>>> s is s.lower()
True
>>> s is s.replace('a', 'b')
True
>>> s is s.replace('o', 'o')
False
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