# -*- coding:utf-8 -*-
import urllib.request
import re
url = "http://ip.chinaz.com/getip.aspx"  #打算抓取内容的网页
proxy_ip={'HTTP':'49.85.13.8:35909'}  #想验证的代理IP
proxy_support = urllib.request.ProxyHandler(proxy_ip)
opener = urllib.request.build_opener(proxy_support)
opener.addheaders=[("User-Agent","Mozilla/5.0 (Windows NT 10.0; WOW64)")]
urllib.request.install_opener(opener)
#shuchu = re.findall('"well"><p>(.*?)GeoIP', urllib.request.urlopen(url).read().decode("utf-8"), re.S)
#print(shuchu)
print(urllib.request.urlopen(url).read().decode("utf-8"))

我用的是3.6的版本。代码也是网上找的模版，按道理来说应该是没有什么问题的把，我也试过很多遍网上的免费IP，结果还是显示自己的IP。