Python 爬天气预报 天气预报网 未来七天

import requests
from bs4 import BeautifulSoup
import time

while True:
    headers={"User-Agent":"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36"}

    data=requests.get('http://www.weather.com.cn/weather/101050301.shtml',headers=headers)

#URL  里 的 101050301 是地域编码  各地区有不同的编码  先进天气预报主页 然后查看要爬取的城市的天气预报 然后点击七天的

    print(type(data.text))
    print(data.url)
    data.encoding='utf-8'


    soup=BeautifulSoup(data.text,'lxml')
    weather_sevenday=soup.find('ul',{"class":"t clearfix"})
    weather_sevenday=weather_sevenday.find_all('li')
    print(type(weather_sevenday))   
    list_dayweather=list(weather_sevenday)
    print(type(list_dayweather))