import requests from bs4 import BeautifulSoup import lxml baidu=requests.get('https://www.baidu.com')#请求百度首页 bdxml=BeautifulSoup(baidu.content,'lxml')#将获取到的网页构造成BeautifulSoup对象,方便操作 print(bdxml.find_all('title'))#提取title标签 alist=bdxml.find_all('a')#提取所有的a标签(用于获取超链接) for a in alist: print(a.get('href'))#打印a标签的超链接