Update snake.py

snake.py

-import pygame
-from pygame import locals
-
-#初始化pygame，为使用硬件作准备
-pygame.init()
-
-#载入图片
-background=pygame.image.load('bg.png')#背景图
-right=pygame.image.load('right.png')#头 朝右
-food=pygame.image.load('apple.png')#食物 苹果
-body=pygame.image.load('body.png')#身体
-#创建一个窗口
-scree=pygame.display.set_mode((660,480))
-while True:
-    for event in pygame.event.get():
-        #print(event)
-        if event.type==locals.QUIT:
-            exit()
-
-    #将背景图画上去
-    scree.blit(background,(0,0))
-    #将贪吃蛇的头画上去
-    scree.blit(right,(240,120))
-    #将苹果画上去
-    scree.blit(food,(360,300))
-    #将贪吃蛇的身体画上去
-    scree.blit(body,(210,120))
-    scree.blit(body,(180,120))
-    scree.blit(body,(180,90))
-    #刷新画面
-    pygame.display.update()
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+import pygame
+
+# 初始化pygame，为使用pygame做准备
+pygame.init()
+
+# 创建一个窗口
+??
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