docs: def get_mvgd_lvla_lvgd_obj_from_id(self):
          """ Build dict with mapping from LVLoadAreaDing0 id to LVLoadAreaDing0 object,
                                           MVGridDistrictDing0 id to MVGridDistrictDing0 object,
                                           LVGridDistrictDing0 id to LVGridDistrictDing0 object and
                                           LVStationDing0 id to LVStationDing0 object
  
          Returns
          -------
          :obj:`dict`
              mv_grid_districts_dict::
              
                  {
                    mv_grid_district_id_1: mv_grid_district_obj_1,
                    ...,
                    mv_grid_district_id_n: mv_grid_district_obj_n
                  }
          :obj:`dict`
              lv_load_areas_dict::
              
                  {
                    lv_load_area_id_1: lv_load_area_obj_1,
                    ...,
                    lv_load_area_id_n: lv_load_area_obj_n
                  }
          :obj:`dict`
              lv_grid_districts_dict::
              
                  {
                    lv_grid_district_id_1: lv_grid_district_obj_1,
                    ...,
                    lv_grid_district_id_n: lv_grid_district_obj_n
                  }
          :obj:`dict`
              lv_stations_dict::
              
                  {
                    lv_station_id_1: lv_station_obj_1,
                    ...,
                    lv_station_id_n: lv_station_obj_n
                  }
          """
  
          mv_grid_districts_dict = {}
          lv_load_areas_dict = {}
          lv_grid_districts_dict = {}
          lv_stations_dict = {}
  
          for mv_grid_district in self.mv_grid_districts():
              mv_grid_districts_dict[mv_grid_district.id_db] = mv_grid_district
              for lv_load_area in mv_grid_district.lv_load_areas():
                  lv_load_areas_dict[lv_load_area.id_db] = lv_load_area
                  for lv_grid_district in lv_load_area.lv_grid_districts():
                      lv_grid_districts_dict[lv_grid_district.id_db] = lv_grid_district
                      lv_stations_dict[lv_grid_district.lv_grid.station().id_db] = lv_grid_district.lv_grid.station()
  
          return mv_grid_districts_dict, lv_load_areas_dict, lv_grid_districts_dict, lv_stations_dict