Python爬虫入门案例教学：批量爬取彼岸桌面4K超清美女壁纸

url = f'http://www.netbian.com/meinv/index_{page}.htm'
这个page这怎么定义啊，报错

page = 1
url = f'http://www.netbian.com/meinv/index_{page}.htm'
# 或者这样
for page in range(1,10):
    url = f'http://www.netbian.com/meinv/index_{page}.htm'