vscode development python
https://www.cnblogs.com/DesignerA/p/11604200.html
python tutorial
https://www.liaoxuefeng.com/wiki/1016959663602400
Installation virtualenv resolve slow download, install additional library files also empathy
pip install the package name -i https://pypi.douban.com/simple/
When installing other libraries just need the last name of the library file to be installed into the file name