code: def get_item(self, item_id):
          
          if self.object_id:
              # reference the current drive_id
              url = self.build_url(
                  self._endpoints.get('get_item').format(id=self.object_id,
                                                         item_id=item_id))
          else:
              # we don't know the drive_id so go to the default drive
              url = self.build_url(
                  self._endpoints.get('get_item_default').format(item_id=item_id))
  
          response = self.con.get(url)
          if not response:
              return None
  
          data = response.json()
  
          # Everything received from cloud must be passed as self._cloud_data_key
          return self._classifier(data)(parent=self,
                                        **{self._cloud_data_key: data})
docs: Returns a DriveItem by it's Id
  
          :return: one item
          :rtype: DriveItem