pip 鏡像
這個是PIP國內的源地址:https://blog.csdn.net/yuzaipiaofei/article/details/80891108
pip install pandas wordcloud -i http://pypi.douban.com/simple/ --trusted-host pypi.douban.com
pip install -i https://pypi.tuna.tsinghua.edu.cn/simple --trusted-host pypi.tuna.tsinghua.edu.cn matplotlib
pip install wordcloud -i https://blog.csdn.net/yuzaipiaofei/article/details/80891108