ActivePython 2.5.1.1 as well: PythonWin 2.5.1 (r251:54863, May 1 2007, 17:47:05) [MSC v.1310 32 bit (Intel)] on win32. Portions Copyright 1994-2006 Mark Hammond - see 'Help/About PythonWin' for further copyright information. >>> from pickle import dumps >>> from cPickle import dumps as cdumps >>> print dumps('10') S'10' p0 . >>> print dumps(str(10)) S'10' p0 . >>> print cdumps('10') S'10' p1 . >>> print cdumps(str(10)) S'10' .
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