version_info
A tuple containing the five components of the version number:
major, minor, micro, releaselevel, and serial. All values except
releaselevel are integers; the release level is
'alpha', 'beta', 'candidate', or
'final'. The version_info value
corresponding to the Python version 2.0 is (2, 0, 0, 'final',
0). New in version 2.0.