code: def set_symbol(self, feature_id, symbol, organism=None, sequence=None):
          
          data = {
              'features': [
                  {
                      'uniquename': feature_id,
                      'symbol': symbol,
                  }
              ],
          }
          data = self._update_data(data, organism, sequence)
          return self.post('setSymbol', data)
docs: Set a feature's description
  
          :type feature_id: str
          :param feature_id: Feature UUID
  
          :type symbol: str
          :param symbol: Feature symbol
  
          :type organism: str
          :param organism: Organism Common Name
  
          :type sequence: str
          :param sequence: Sequence Name
  
          :rtype: dict
          :return: A standard apollo feature dictionary ({"features": [{...}]})