save project

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
-screen = pygame.display.set_mode((660,480))
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+screen = pygame.display.set_mode((660,480))
+while True: 
+    for event in pygame event .get():
+        if event .type ==locals.QUIT:
+            exit()
\ No newline at end of file