code: def content_get(self, cid, nid=None):
          
          r = self.request(
              method="content.get",
              data={"cid": cid},
              nid=nid
          )
          return self._handle_error(r, "Could not get post {}.".format(cid))
docs: Get data from post `cid` in network `nid`
  
          :type  nid: str
          :param nid: This is the ID of the network (or class) from which
              to query posts. This is optional and only to override the existing
              `network_id` entered when created the class
          :type  cid: str|int
          :param cid: This is the post ID which we grab
          :returns: Python object containing returned data