code: def get_range_by_partition_key_range_id(self, partition_key_range_id):
          
          t = self._rangeById.get(partition_key_range_id)
  
          if t is None:
              return None
          return t[0]
docs: Gets the partition key range given the partition key range id
  
          :param str partition_key_range_id:
              The partition key range id.
          :return:
              The partition key range.
          :rtype: dict