save project

snake.py

@@ -64,7 +64,7 @@ while True:
         apple_y = 30*num2-30
         apple_y = 30*num2-30
         score+=10
         score+=10
     else:
     else:
-        position
+        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