save project

snake.py

@@ -57,10 +57,12 @@ while True:
     #position.pop(0)
     #贪吃蛇吃苹果
     if x == apple_x and y == apple_y:
-       apple_x = random.randint(0,660) 
-       apple_y = random.randint(0,480)
-
-    position.pop(0)
+       num1 = random.randint (1, 22)
+       num2 = random.randint(1, 16)
+       apple_x = num1 * 30 - 30
+       apple_y =num2 * 30 -30
+    else：
+        position.pop(0)
     # 将背景图画上去
 
     screen.blit(background, (0, 0))