官方文档记录大全
requests 官方文档(中文): http://docs.python-requests.org/zh_CN/latest/
BeautifulSoup 文档(中文):https://www.crummy.com/software/BeautifulSoup/bs4/doc/index.zh.html
requests 官方文档(中文): http://docs.python-requests.org/zh_CN/latest/
BeautifulSoup 文档(中文):https://www.crummy.com/software/BeautifulSoup/bs4/doc/index.zh.html