python3处理json

import os, io, sys, re, time, base64, json
import webbrowser, urllib.request

def main():
"main function"
url = "http://m.weather.com.cn/data/101010100.html"
stdout=urllib.request.urlopen(url)
weatherInfo= stdout.read().decode('utf-8')
#print(weatherInfo)
jsonData = json.loads(weatherInfo)

#输出JSON数据
szCity = jsonData["weatherinfo"]["city"]
print("城市: ", szCity)
szTemp = jsonData["weatherinfo"]["temp1"]
print("温度: ", szTemp)
szWeather1 = jsonData["weatherinfo"]["weather1"]
print("天气情况: ",szWeather1)
szCityid = jsonData["weatherinfo"]["cityid"]
print("城市编码: ",szCityid)

if __name__ == '__main__':
main()