save project

snake.py

@@ -58,7 +58,9 @@ while True:
         num2=randow.randint(1,16)
         num2=randow.randint(1,16)
         apple_x =num1*30-30
         apple_x =num1*30-30
         apple_y =num2*30-30
         apple_y =num2*30-30
+        score= += 10
     else: 
     else: 
+    if x < 0 or x > 630 or y < 0 or y > 450:
         position.pop(0)
         position.pop(0)
     # 将背景图画上去
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))