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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 include(self, location, namespace=None, app_name=None):
 """ Return an object suitable for url_patterns. :param location: root URL for all URLs from this router :param namespace: passed to url() :param app_name: passed to url() """

        sorted_entries = sorted(self.routes, key=operator.itemgetter(0),
                                reverse=True)

        arg = [u for _, u in sorted_entries]
        return url(location, urls.include(
            arg=arg,
            namespace=namespace,
            app_name=app_name))