python 获取天气信息

import requests,json


def main():
    #参数
    farmat=1
    cityname = input("请输入你想查询的城市天气：")
    key='621043608cb9e7f7f485461ef9e5adef'
    get_weather(farmat,cityname,key)

def get_weather(format,cityname,key):
	url='http://v.juhe.cn/weather/index'
	params='format={}&cityname={}&key={}'.format(format,cityname,key)
	city_weather=requests.get(url,params)
	#print(city_weather)
	result=json.loads(city_weather.text)
	#print(result)
	if result:
		if result['error_code']==0:
			print("请求成功！")
		else:
			print(result['reason'])
	else:
		print('请求接口失败！！')

if __name__=="__main__":
	main()