Class Coin (pygame.sprite.Sprite):
      def __init__(self, x, y):
      super().__init__()

      self.image = image

      self.rect = get rect
      self.rect.x = y
      self.rect.y = y

def mainLoop():
    global coin
    coin= Coin(10,10)
    spritegroup = pygame.sprite.group

    if room == 2:
       spritegroup.add(coin)

       if coin.rect.coliderect(player.rect):
            spritegroup.remove(coin)