auto save

snake.py

-import pygame
 from pygame import locals
 from pygame import locals
-# 初始化pygame，为使用pygame做准备
 pygame.init()
 pygame.init()
 
 
-# 创建一个窗口
 screen=pygame.display.set_mode((660,480))
 screen=pygame.display.set_mode((660,480))
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():