How to set environmental variables for Python

[dn]

On 17/01/2022 22.31, Shaozhong SHI wrote:
> I got quite a few version of Python on my machine.
> 
> How do I set environmental variables for Python 3.6.1 to work?


Set from Python, or set in the OpSys?

https://docs.python.org/3/library/os.html?highlight=environment%20variable

MS-Win: https://docs.python.org/3/using/windows.html#setting-envvars
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Regards,
=dn