save project

snake.py

@@ -46,8 +46,8 @@ while True:
     position.append((x, y))
     position.pop(0)
     if x==apple_x and y==apple_y:
-        apple_x=random.randint(0,660)
-        apple_y=random.randint(0,480)
+        apple_x=random.randint(30,630)
+        apple_y=random.randint(30,450)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去