text: from distutils.command.build import build
  from floodsystem.geo import rivers_with_station
  from floodsystem.geo import stations_by_river
  from floodsystem.stationdata import build_station_list
  
  stations= build_station_list()
  
  output= rivers_with_station(stations)
  print(len(output))
  print(output[0:10])
  
  river_dictionary = stations_by_river(stations)
  
  print(river_dictionary["River Aire"])
  print(river_dictionary["River Cam"])
  print(river_dictionary["River Thames"])
  
  
  
  
  