code: def verify_gmt_integrity(gmt):
      
  
      # Verify that set ids are unique
      set_ids = [d[SET_IDENTIFIER_FIELD] for d in gmt]
      assert len(set(set_ids)) == len(set_ids), (
          "Set identifiers should be unique. set_ids: {}".format(set_ids))
docs: Make sure that set ids are unique.
  
      Args:
          gmt (GMT object): list of dicts
  
      Returns:
          None