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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def reload_using_exec(self):
 """ Reload the program process. :return: None. """

        # Create command parts
        cmd_parts = [sys.executable] + sys.argv

        # Get env dict copy
        env_copy = os.environ.copy()

        # Reload the program process
        os.execvpe(
            # Program file path
            sys.executable,
            # Command parts
            cmd_parts,
            # Env dict
            env_copy,
        )