.py question

[Gene Heskett]

Greetings all;

I have a test equipment device running xenial, and one of the options 
needs to run "python3 xxx.py" except I have no clue where to put, in the 
file system, this xxx.py file so that python can find it and execute it.

So where should I install this file and its passel of cousins?

Thank you.

Cheers, Gene Heskett
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