text: #!/usr/bin/env python
  
  # Level Script
  
  # Use scene.when to schedule events.
  # Yield when you want to wait until the next event.
  # This is a generator.  Using a busy loop will halt the game.
  from random import uniform
  
  from game.entities.ai import CircleAi, ChasingAi
  from game.scripts.level import Level
  from game.constants import GREEN
  
  
  class Level0(Level):
      number = 0
      name = "Tutorial"
      ground = GREEN
      music = "butterfly.ogg"
  
      def __call__(self):
          # self.scene.cloudy()
  
          yield from super().__call__()
  
          self.slow_type("You better right code if you want a tutorial", 5)
  
          # TODO: Check for level clear ?
          yield self.pause(15)
          # yield from self.slow_type("Well done !", 5, "green", clear=True)
  