python 里的常见包及学习链接

import shutil   

高级文件操作模块，可以复制、移动、打包、压缩、解压   

https://www.cnblogs.com/MnCu8261/p/5494807.html

import os       

对操作系统调用的接口                                                         

https://www.cnblogs.com/zhangqigao/p/5498723.html

django

web框架工具                                               

https://docs.djangoproject.com/en/1.11/topics/templates/ 

http://www.runoob.com/django/django-tutorial.html

import sys
一系列有关Python运行环境的变量和函数
https://www.cnblogs.com/Archie-s/p/6860301.html
https://www.cnblogs.com/vman/p/5555559.html

import argparse
python程序参数封装
https://blog.ixxoo.me/argparse.html
https://docs.python.org/3/library/argparse.html

import time
返回当前时间戳
http://www.runoob.com/python/att-time-time.html

import datetime
处理时间和日期的标准库
https://www.cnblogs.com/pingqiang/p/7812137.html#_label1

import re
正则表达式模块
https://www.cnblogs.com/jiangzhaowei/p/5738590.html
http://www.runoob.com/python/python-reg-expressions.html

import gzip
压缩，解压缩
https://blog.csdn.net/primeprime/article/details/52035742