What does the Python version line mean?
That line you see indicates how the python interpreter was built. Breaking it down:
Python 2.7 -- Python version(r27:82525, Jul 4 2010, 07:43:08) -- The build date and revision from src trunk that was used to build this.[MSC v.1500 64 bit (AMD64)] -- Compiled with MSVC compiler targeting 64-biton win32 -- Obviously for windows platform
r27: revision 27
82525: build 82525
Jul 4 2010, 07:43:08: when your python binary was built
MSC v.1500: compiled with 64w-bit VC++ 2008
win32: you are using windows