python checklist

1. 常用模块：subprocess, requests, paramekio, traceback, argparse, numpy, pandas

2. 赋值传递和引用传递

    python是赋值传递参数：

    https://blog.csdn.net/Ljj9889/article/details/125965661

3. subprocess

    run/call/check_output

    https://www.runoob.com/w3cnote/python3-subprocess.html

4.