auto save

snake.py

 import pygame
+from pygame import locals
 
 # 初始化pygame，为使用pygame做准备
 pygame.init()
+backgroud = 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
 screen=pygame.display.set_mode((660,480))
+while True:
+    for event in pygame.event.get():
+        if event.type== locals.QUIT:
+            exit()
+    screen.blit(backgroud,(0,0))
+    screen.blit(right,(240,120))
+    screen.blit(body,(210,120))
+    screen.blit(body,(180,120))
+    screen.blit(body,(180,90))
+    screen.blit(food,(360,300))
+    
+
+    pygame.display.update()
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