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
-sceeen=pygame.display.set_mode((600,800))
\ No newline at end of file
+sceeen=pygame.display.set_mode((600,800))
+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()