Flask Web微内核中文文档: https://dormousehole.readthedocs.io/en/latest/
Jinja文档 http://jinja.pocoo.org/docs
Requests 网络请求模块 https://requests.readthedocs.io/zh_CN/latest/index.html
Beautiful Soup 4.4.0 数据提取 https://beautifulsoup.readthedocs.io/zh_CN/latest/
Selenium 浏览器测试 http://www.selenium.org.cn/ https://www.selenium.dev/