old_contents: from python_cowbull_game.GameController import GameController
  from python_cowbull_game.GameMode import GameMode
  
  
  class ExtGameController(GameController):
      additional_modes = [
          GameMode(mode="SuperTough", priority=6, digits=10, digit_type=0),
          GameMode(mode="hexTough", priority=5, digits=3, guesses_allowed=3, digit_type=1)
      ]
  
      def __init__(self, game=None):
          super(ExtGameController, self).__init__(game=game)
          self.add_mode(self.additional_modes)
  
new_contents: from python_cowbull_game.GameController import GameController
  from python_cowbull_game.GameMode import GameMode
  
  
  class ExtGameController(GameController):
      additional_modes = [
  #        GameMode(mode="SuperTough", priority=6, digits=10, digit_type=0),
  #        GameMode(mode="hexTough", priority=5, digits=3, guesses_allowed=3, digit_type=1)
      ]
  
      def __init__(self):
          super(ExtGameController, self).__init__()
          self.add_mode(self.additional_modes)
  
subject: Remove new modes for testing.