code: def reply(self, message, text, opts=None):
          
          metadata = Metadata(source=self.actor_urn,
                              dest=message['metadata']['source']).__dict__
          metadata['opts'] = opts
          message = Message(text=text, metadata=metadata,
                            should_log=message['should_log']).__dict__
          dest_actor = ActorRegistry.get_by_urn(message['metadata']['dest'])
          if dest_actor is not None:
              dest_actor.tell(message)
          else:
              raise("Tried to send message to nonexistent actor")
docs: Reply to the sender of the provided message with a message \
          containing the provided text.
  
          :param message: the message to reply to
          :param text: the text to reply with
          :param opts: A dictionary of additional values to add to metadata
          :return: None