摘要：fidder是会占用 jupyter 端口的，在fidder里边最上边找到tools 》options 》connections里边的8888改成别的重启jupyter就好了 阅读全文

摘要：~~~python import requests from bs4 import BeautifulSoup url_list = [] kv = {'User Agent':'Mozilla/5.0'} r = requests.get('https://www.jianshu.com/p/42 阅读全文

摘要：from lxml import html text= //测试的html文本 etree = html.etree htmlDiv = etree.HTML(text) title = htmlDiv.xpath("//meta[1]/@content") print(title) 来源：CSDN 阅读全文

摘要：import requests import re 进入网址 for i in range(1,5): page_url = requests.get(f"http://duanziwang.com/page/{i}/") page_content = page_url.text print(pag 阅读全文