Usr Bin Env Python

A shell organisation which represents the shell which program can perform on the script.the #!/usr/bin/env python. determines to a path through the Python binary

Advantage:

If you installed multiple versions of Python, later #!/usr/bin/env guarantees that the interpreter will utilise the initially installed version upon your environment's $PATH. If you are utilising Unix, an executable file that is intended to be interpreted can designate what interpreter to practice by having a #!

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