<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def delete_message(self, message):
 """ Deletes a stored message :param message: message/message_id to delete :type message: Message or str :return: Success / Failure :rtype: bool """


        message_id = message.object_id if isinstance(message,
                                                     Message) else message

        if message_id is None:
            raise RuntimeError('Provide a valid Message or a message id')

        url = self.build_url(
            self._endpoints.get('message').format(id=message_id))

        response = self.con.delete(url)

        return bool(response)