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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 setup_subparser( self, func=None, setup_as=None, insert_at=None, interprete=True, epilog_sections=None, overwrite=False, append_epilog=True, return_parser=False, name=None, **kwargs):
 """ Create a subparser with the name of the given function Parameters are the same as for the :meth:`setup_args` function, other parameters are parsed to the :meth:`add_subparsers` method if (and only if) this method has not already been called. Parameters %(FuncArgParser.setup_args.parameters)s return_parser: bool If True, the create parser is returned instead of the function name: str The name of the created parser. If None, the function name is used and underscores (``'_'``) are replaced by minus (``'-'``) ``**kwargs`` Any other parameter that is passed to the add_parser method that creates the parser Other Parameters Returns ------- FuncArgParser or %(FuncArgParser.setup_args.returns)s If return_parser is True, the created subparser is returned Examples -------- Use this method as a decorator:: """

        def setup(func):
            if self._subparsers_action is None:
                raise RuntimeError(
                    "No subparsers have yet been created! Run the "
                    "add_subparsers method first!")
            # replace underscore by '-'
            name2use = name
            if name2use is None:
                name2use = func.__name__.replace('_', '-')
            kwargs.setdefault('help', docstrings.get_summary(
                docstrings.dedents(inspect.getdoc(func))))
            parser = self._subparsers_action.add_parser(name2use, **kwargs)
            parser.setup_args(
                func, setup_as=setup_as, insert_at=insert_at,
                interprete=interprete, epilog_sections=epilog_sections,
                overwrite=overwrite, append_epilog=append_epilog)
            return func, parser
        if func is None:
            return lambda f: setup(f)[0]
        else:
            return setup(func)[int(return_parser)]