save project

snake.py

@@ -65,8 +65,9 @@ while True:
         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