windwos 使用anaconda
anaconda安装
https://www.anaconda.com/download-success
下载安装
终端：
Anaconda Prompt
GUI:
Anaconda Navigator
-> Jupyter Notebook
直接启动Jupyter Notebook
Jupyter Notebook
安装python包：
Anaconda Prompt
pip install psycopg2
pip3 install psycopg2 -i https://pypi.mirrors.ustc.edu.cn/simple/