code: def play(seed=None):
      
      global _game
  
      from .game import Game
      from .prompt import install_words
  
      _game = Game(seed)
      load_advent_dat(_game)
      install_words(_game)
      _game.start()
      print(_game.output[:-1])
docs: Turn the Python prompt into an Adventure game.
  
      With optional the `seed` argument the caller can supply an integer
      to start the Python random number generator at a known state.