auto save

snake.py

@@ -62,8 +62,11 @@ while True:
         apple_x=num1*30-30
         apple_x=num1*30-30
         apple_y=num2*30-30
         apple_y=num2*30-30
         score+=10
         score+=10
+
     else:
     else:
         position.pop(0)
         position.pop(0)
+    if x<0 or x >630 or y < 0 or y >450:
+        exit()
 
 
     
     
     # 将背景图画上去
     # 将背景图画上去