Python requests模块解析XML

import requests
from xml.etree import ElementTree
qq_str = input('please input the qq that you want check!:')
url_str ='http://www.webxml.com.cn//webservices//qqOnlineWebService.asmx//qqCheckOnline?qqCode=%s'%qq_str
text_str = requests.get(url_str)
text_str.encoding='utf-8'
#解析xml格式内容，将字符串转为特殊的对象
node = ElementTree.XML(text_str.text)
if node.text == 'Y':
    print('QQ:{} 在线'.format(qq_str))
else:
    print('QQ:{} 离线'.format(qq_str))