清华大学
pip install requests -i https://pypi.tuna.tsinghua.edu.cn/simple
豆瓣
pip install requests -i https://pypi.doubanio.com/simple
清华大学
pip install requests -i https://pypi.tuna.tsinghua.edu.cn/simple
豆瓣
pip install requests -i https://pypi.doubanio.com/simple