save project

snake.py

@@ -4,4 +4,10 @@ import pygame
 pygame.init()
 
 # 创建一个窗口
-??
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+screen=pygame.event.get()
+
+while True:
+    for event in pygame.event.get():
+        if event.type==locals.QUIT:
+            #接收到退出时间后退出程序
+            exit()
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