save project

snake.py

@@ -61,7 +61,7 @@ while True:
         score+=100000000    
         score+=100000000    
     else:
     else:
         position.pop(0)
         position.pop(0)
-    if x<0 or x>630 or y<0 or y> 450
+    if x<0 or x>630 or y<0 or y> 450:
         exit()
         exit()
     # 将背景图画上去
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))