code: def direct_messages_show(self, id):
          
          params = {}
          set_str_param(params, 'id', id)
          d = self._get_api('direct_messages/show.json', params)
          d.addCallback(lambda dms: dms[0])
          return d
docs: Gets the direct message with the given id.
  
          https://dev.twitter.com/docs/api/1.1/get/direct_messages/show
  
          :param str id:
              (*required*) The ID of the direct message.
  
          :returns:
              A direct message dict.