auto save

snake.py

 import pygame
-
+from pygame import locals
 # 初始化pygame，为使用pygame做准备
 pygame.init()
-
+background=pygame.image.load('bg.png')
+right=pygame.image.load('right.png')
+food=pygame.image.load('apple.png')
+body=pygame.image.load('body.png')
 # 创建一个窗口
-??
\ No newline at end of file
+screen=pygame.display.set_mode((660,480))
+while True:
+    for event in pygame.event.get() :#遍历pygame中的事件
+        
+        if event.type==locals.QUIT:
+            #事件是点击退出按钮就退出程序
+            exit()
+    #把背景显示到屏幕上
+    screen.blit(background,(0,0))
+    #把蛇的各个部位显示到屏幕上
+    screen.blit(right,(240,120))    
+    screen.blit(food,(360,300)) 
+    screen.blit(body,(210,120))
+    screen.blit(body,(180,120))
+    screen.blit(body,(180,90))
+    #刷新画面
+    pygame.display.update()