How to use 'how to convert python file to exe' in Python

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def exec_script(script_filename, env={}, *args):
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    """
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    Executes a Python script in an externally spawned interpreter, and
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    returns anything that was emitted in the standard output as a
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    single string.
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    To prevent missuse, the script passed to hookutils.exec_script
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    must be located in the `PyInstaller/utils/hooks/subproc` directory.
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    """
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    script_filename = os.path.basename(script_filename)
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    script_filename = os.path.join(os.path.dirname(__file__), 'subproc', script_filename)
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    if not os.path.exists(script_filename):
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        raise SystemError("To prevent missuse, the script passed to "
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                          "hookutils.exec-script must be located in "
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                          "the `PyInstaller/utils/hooks/subproc` directory.")
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    cmd = [script_filename]
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    cmd.extend(args)
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    return __exec_python_cmd(cmd, env=env)