\section{\module{__main__} ---         Top-level script environment} \declaremodule[main]{builtin}{__main__}\modulesynopsis{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 fromstandard input, from a script file, or from an interactive prompt.  Itis this environment in which the idiomatic ``conditional script''stanza causes a script to run: \begin{verbatim}if __name__ == "__main__":    main()\end{verbatim}