auto save

snake.py

@@ -6,4 +6,6 @@ pygame.init()
 # 创建一个窗口
 a=pygame.display.set_mode((800,600))
 while True:
-    if e
\ No newline at end of file
+    for event in pygame.event.get():
+        if event.type==locals.QUIT:
+            exit()