:mod:`__main__` --- Top-level script environment================================================.. module:: __main__ :synopsis: The environment where the top-level script is run.This module represents the (otherwise anonymous) scope in which theinterpreter's main program executes --- commands read either from standardinput, from a script file, or from an interactive prompt. It is thisenvironment in which the idiomatic "conditional script" stanza causes a scriptto run:: if __name__ == "__main__": main()