game.py

WHITE = (255, 255, 255)

class Game(object):
  SCREEN_SIZE = (800, 600)
    
  def __init__(self):
    pygame.init()
    self.screen = pygame.display.set_mode(Game.SCREEN_SIZE)
    self.screen.fill(WHITE)

  def run(self):
    while True:
      pygame.display.update()

if __name__ == '__main__':
  Game().run()