摘要：
# -*- coding: utf-8 -*- ''' Created on Tue Jan 23 20:50:42 2018 @author: zhuxueming''' import urllib.request import re def get_url(url): res = urllib.request.Request(url) res.add_header('User-Ag... 阅读全文
摘要：
python语句主要有：赋值语句，调用语句，打印语句，if | else、for | else、while | else语句，pass语句，break语句，continue语句，def语句，return语句，yield语句，global语句，nonlocal语句，import语句，from语句，ca 阅读全文