save project

snake.py

@@ -54,8 +54,10 @@ while True:
         y += 30
     position.append((x, y))
     if x == apple_x and y == apple_y:
-        apple_x = random.radint(0,660)
-        apple_y = random.radint(0,480)
+        num1 = random.randint(1,22)
+        num2 = random.randint(1,16)
+        apple_x = num1  30 - 30
+        apple_y = num2  30 - 30
     position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))