code: def __put_all_ids(parent_id, child_id):
      '''COMMENT'''
      if parent_id in __ALL_IDS:
          __ALL_IDS[parent_id].append(child_id)
      else:
          __ALL_IDS[parent_id] = [child_idf __put_all_ids(parent_id, child_id):
      '''COMMENT'''
      if parent_id in __ALL_IDS:
          __ALL_IDS[parent_id].append(child_id)
      else:
          __ALL_IDS[parent_id] = [child_id]
docs: COMMENT