What is the purpose of PYTHONPATH in python?

Answer 1

https://www.geeksforgeeks.org/pythonpath-environment-variable-in-JUMP_LINK__&&__python__&&__JUMP_LINK/

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Answer 2

PYTHONPATH is an environment variable which you can set to add additional directories where python will look for modules and packages. For most installations, you should not set these variables since they are not needed for Python to run. Python knows where to find its standard library.

Answer 3

Your PYTHONPATH lists the filesystem locations that Python will search for any non-built-in modules that you `import`