转json
import json
json = json.loads(html)
模拟浏览器请求头
import urllib.request
req = urllib.request.Request(url, data)
req.add_header('User-Agent','Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36')
写入数据
file_object = open('content.txt', 'w')
file_object.write(content)
file_object.writelines(list_of_text_strings) #写入多行
file_object.close()
文件夹
import os
folder = 'girlimage'
os.mkdir(folder) #创建目录
os.chdir(folder) #改变当前目录，到指定目录中。
python 字符串长度
python100例:http://www.iplaypy.com/python-100/
python100例：https://www.cnblogs.com/devin-guwz/p/5738676.html
https://www.cnblogs.com/huangcong/archive/2011/08/29/2158268.html