Which version of Python do I have installed?

python version windows-server

python -V

--version may also work (introduced in version 2.5)

python version windows-server

Python 2.5+:

python --version

Python 2.4-:

python -c 'import sys; print(sys.version)'

python version windows-server

In a Python IDE, just copy and paste in the following code and run it (the version will come up in the output area):

import sysprint(sys.version)

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