Python镜像源

豆瓣

http://pypi.douban.com/simple/

pip install request -i https://pypi.douban.com/simple/

trusted-host =http://pypi.douban.com

清华

http://pypi.tuna.tsinghua.edu.cn/simple

pip install -i https://pypi.tuna.tsinghua.edu.cn/simple beautifulsoup4