Requests library of Python Reptile --IP address attribution to automatically query

import requests

url="http://m.ip138.com/ip.asp?ip="
kv={'user-agent':'Mozilla/5.0'}
try:
    r=requests.get(url+'需要查询的IP地址',headers=kv)
    r.raise_for_status()
    r.encoding=r.apparent_encoding
    print(r.text[-500:])
except:
    print("爬取失败")