code: def list_():  # pylint: disable=redefined-builtin
      
      load_dbenv_if_not_loaded(
      )  # Important to load the dbenv in the last moment
  
      from aiida.orm.querybuilder import QueryBuilder
      from aiida.orm import DataFactory
      MultiplyParameters = DataFactory('phtools.factors')
  
      qb = QueryBuilder()
      qb.append(MultiplyParameters)
      results = qb.all()
  
      s = ""
      for result in results:
          obj = result[0]
          s += "{}, pk: {}\n".format(str(obj), obj.pk)
      sys.stdout.write(s)
docs: Display all MultiplyParameters nodes