save project

snake.py

 import pygame
 #引入pygame
+from pygame import locals
 #初始化pygame为创建硬件做准备
 pygame.init()
 #创建一个窗口
-screen=pygame.display,set__mode((660,440))
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+screen=pygame.display.set_mode((600,480))
+while True:
+    for event in pygame.event.get():
+        if event.type==locals.QUIT:
+            #接收到退出事件后退出程序
+            exit()
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