code: def save_updates(self):
          
  
          if not self._track_changes:
              return True  # there's nothing to update
  
          url = self.build_url(self._endpoints.get('update_list_item').format(item_id=self.object_id))
          update = {field: value for field, value in self.fields.items()
                    if self._cc(field) in self._track_changes}
  
          response = self.con.patch(url, update)
          if not response:
              return False
          self._clear_tracker()
          return True
docs: Save the updated fields to the cloud