auto save

snake.py

 import pygame
-
+from pygame import locals
 # 初始化pygame，为使用pygame做准备
 pygame.init()
 
 # 创建一个窗口
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+pygame.init()
+screen = pygame.display.set_mode((660,480))
+FPSCLOCK = pygame.time.Clock()
+background = pygame.image.load('bg.png')
+background = pygame.image.load('right.png')
+background = pygame.image.load('apple.png')
+background = pygame.image.load('body.png')
+x,y = 240, 120  
+while True:
+    for event in pygame.event.get 
+        if event.type == locals.QUIT:
+            exit()
+    x += 30
+    position.append((x,y))
+    position.pop(0)
+    screen.blit(background,(0,0))
+    screen.blit(right,position[-1])
+    for 
+        
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+    screen.blit(background,(0,0))
+    screen.blit(right,(210,120))
+    screen.blit(body,(180,120))
+    screen.blit(body,(180,120))
+    screen.blit(body,(180,90))
+    screen.blit(,(360,300))
+    pygame.display.update()
+    FPSCLOCK.tick(3)
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