code: def update(self, campaign_id, data):
          
          self.campaign_id = campaign_id
          return self._mc_client._put(url=self._build_path(campaign_id, 'content'), data=data)
docs: Set the content for a campaign.
  
          :param campaign_id: The unique id for the campaign.
          :type campaign_id: :py:class:`str`
          :param data: The request body parameters
          :type data: :py:class:`dict`