text: """
  You must put all includes from others libraries before the include of pygin
  and put all include of other files after the include of pygin
  """
  # Other Libraries includes:
  import random
  from pygame.math import Vector2
  # pygin includes:
  from pygin import *
  # files includes:
  
  
  class ObstaclePulsingAnimation(Animation):
  
      def __init__(self, game_obj):
          key_frame_list = list()
          key_frame_list.append(KeyFrame(0.00,
                                         scale=Vector2(1.0, 1.0),
                                         interpolation="out_cubic"))
          key_frame_list.append(KeyFrame(0.35,
                                         scale=Vector2(1.07, 1.07),
                                         interpolation="out_cubic"))
          key_frame_list.append(KeyFrame(0.70, scale=Vector2(1.0, 1.0)))
  
          super().__init__(game_obj, key_frame_list, should_loop=True)
  
      def rand(self):
          return random.randint(-2, 8)
  