python 爬虫 代理1

import random
import urllib.request
ippools=[
    "39.104.50.71:8080",
    "39.104.50.160:8080",
    "39.104.14.202:8080",
    "39.104.50.137:8080",
    "39.104.50.29:8080"
]
def ip(ippools):
    thisip=random.choice(ippools)
    print(thisip)
    proxy=urllib.request.ProxyHandler({"http": thisip})
    opener=urllib.request.build_opener(proxy,urllib.request.HTTPHandler)
    urllib.request.install_opener(opener)
    
for i in range(0,5):
    try:
        ip(ippools)
        url="http://www.baidu.com"
        data=urllib.request.urlopen(url).read()
        print(len(data.decode()))
    except  Exception  as err:
        print(err)