auto save

snake.py

@@ -7,14 +7,16 @@ pygame.init()
 pygame.display.set_mode((800,600))
 from pygame import locals
 
+
 FPSCLOCK=pygame.time.Clock()
 # 初始化pygame，为使用pygame做准备
 pygame.init()
 
+
 x,y=240,120
 position=[(180,90),(180,120),(210,120),(x,y)]
 # 创建一个窗口
-pygame.display.set_mode((800,600))
+screen=pygame.display.set_mode((800,600))
 while True:
     for event in pygame.event.get():
         if event.type==locals.QUIT: