http://www.python.org/download/releases/3.0/

Python 3.0 (r30:67507, Dec  3 2008, 20:14:27) [MSC v.1500 32 bit (Intel)] on win32
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IDLE 3.0
>>> print 'hello py3k'
SyntaxError: invalid syntax (<pyshell#0>, line 1)
>>> print ('hello py3k')
hello py3k
>>>