text: from floodsystem.stationdata import build_station_list
  from floodsystem.geo import rivers_by_station_number
  
  def run():
      stations = build_station_list()
      x = rivers_by_station_number(stations,7)
      return x
  
  print(run())
  
  if __name__ == "__main__":
      print("*** Task 1E: CUED Part IA Flood Warning System ***")
      run()