code: def get_item_ids_for_assessment_part(self, assessment_part_id):
          
          item_ids = []
          for question_map in self._my_map['questions']:
              if question_map['assessmentPartId'] == str(assessment_part_id):
                  item_ids.append(Id(question_map['itemId']))
          return item_ids
docs: convenience method returns item ids associated with an assessment_part_id