def switch(self):
    """
    Monty switches your door with the one you did not pick.  Monty then opens 
    your new selection to reveal the prize or the goat.
    """
    try:
      self.game_set.switch_door()
      result = self.game_set.open_selected_door()
      print("Door contains %s" % result)
      if (result == "prize"):
        print("You win!")
        self.scoreboard.won_switched()
      else:
        print("Baaaaa!")
        self.scoreboard.lost_switched()
    except ValueError, explanation:
      print explanation
      pass

    Monty switches your door with the one you did not pick.  Monty then opens 
    your new selection to reveal the prize or the goat.
    
recipes/Python/577374_monty_hall_problem/recipe-577374.py