code: def update(self, campaign_id, feedback_id, data):
          
          self.campaign_id = campaign_id
          self.feedback_id = feedback_id
          if 'message' not in data:
              raise KeyError('The campaign feedback must have a message')
          return self._mc_client._patch(url=self._build_path(campaign_id, 'feedback', feedback_id), data=data)
docs: Update a specific feedback message for a campaign.
  
          :param campaign_id: The unique id for the campaign.
          :type campaign_id: :py:class:`str`
          :param feedback_id: The unique id for the feedback message.
          :type feedback_id: :py:class:`str`
          :param data: The request body parameters
          :type data: :py:class:`dict`
          data = {
              "message": string*
          }