import os
 import re
 import sys
 import urllib
 import urllib.request#在python3.x中没有urllib2，必须使用此语句
 from urllib import request  
 from bs4 import BeautifulSoup
 import requests            #Beautiful Soup是一个可以从HTML或XML文件中提取结构化数据的Python库 
     
         
 user_agent = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.120 Safari/537.36'
 referer = 'https://tushare.pro/login?next=%2Fnews%2Fnews_sina'
 headers = {
          'User-Agent' : user_agent,
          'Host' : 'tushare.pro',
          'Origin' : 'https://tushare.pro',
          'Referer' : referer
  }
          
         
 #downpicture = urllib.request.urlopen('http://guba.eastmoney.com/list,603121.html').read()stockPageRequest = urllib.request.urlopen('http://guba.eastmoney.com/list,603121.html')
 htmlTitleContent = str(stockPageRequest.read(), 'utf-8')
 #正则匹配标题
 titlePattern = re.compile('<span class="l3 a3">title="(.*?)"</span>', re.S)
 p_title = 'title="(.*?)"(.*?)'
 title = re.findall(p_title,htmlTitleContent)
 #循环输出对应的标题
 for i in range(len(title)):
         print(title[i])