python网络爬虫——正则获取ip

python网络爬虫，几行代码就可以搞定 1.请求网页，获取数据 #请求网络 def open_url(url): req = urllib.request.Request(url) req.add_header('User-Agent','Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:63.0) Gecko/20100101 Firef

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