use int if you have a small number of classes,
author = extract_text(soup.select_one(".author"))
。业内人士推荐heLLoword翻译官方下载作为进阶阅读
Spencer also launched Xbox Game Pass in 2017, a subscription service allowing players to download and play games on their PC and other devices besides an Xbox.，这一点在Line官方版本下载中也有详细论述
// 易错点4：栈空时要存-1（题目要求无更大值返回-1），而非直接存stack2.at(-1)（会得到undefined）
值得一提的是，报道透露，前小米中国区电商部总经理刘毅曾以化名入职星纪魅族集团，而这一行为也曾引发小米担忧。