How to find out from outside Python (in Windows) the current version of Python?

[snippsat]

py.exe

is NOT part of the Windows Python v3.12.0 installation.
So your suggestion is useless for me

It dos install,but not in Python folder.
Before it did install to C:\Windows,now it install to C:\Users\<Pc User>\AppData\Local\Programs\Python\Launcher\py.exe
The reason for this is OS environment path,so it always available.

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C:\code
λ py --version
Python 3.12.0

C:\code
λ py -3.10 --version
Python 3.10.4

C:\code
λ where py
C:\Users\Tom\AppData\Local\Programs\Python\Launcher\py.exe