python天气查询

#! /usr/bin/python
# -*- coding:utf-8 -*- 
#代码有一些问题，不能输入中文，这个初期版，以后再修改
import urllib.request
import re

def get_page():
    city = input('请输入你所在的城市：')
    url = 'http://php.weather.sina.com.cn/search.php?f=1&c=1&city=' + city + '&dpc=1'
    user_agent = 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 Safari/537.36'
    headers = {'User-Agent':user_agent}
    request = urllib.request.Request(url,None,headers)
    response = urllib.request.urlopen(request)
    get_html = response.read().decode('gbk')
    
    re_title = r'var CITY = (.*);'#获取发布城市正则
    re_date = r'<span style="font-size:12px;">\((.*)\)</span>'#获取发布时间正则
    re_content = r'<span class="fs_30 tpte">([\S]{3})</span>'#获取发布内容正则
    re_shenme = r'<li>(\w*)</li>'
    title = re.search(re_title,get_html)
    date = re.search(re_date,get_html)
    content = re.search(re_content,get_html)
    shenme = re.search(re_shenme, get_html)
    tianqi = shenme.group(0)
    tianqi = tianqi[4:6]
    if title:
        print('你所在的城市：%s'%title.group(1)[1:3])
    else:
        print('请确认你的城市：%s是否输入正确'%city)
    if date:
        print(date.group(1))
    if content:
        print('今天的天气是：%s %s'%(content.group(1),tianqi))

get_page()