def get_money(): import re import json import urllib.request url = "http://webforex.hermes.hexun.com/forex/quotelist?code=FOREXUSDCNY&column=Code,Price" headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:23.0) Gecko/20100101 Firefox/23.0'} req = urllib.request.Request(url=url, headers=headers) f=urllib.request.urlopen(req).read() html = f s = re.findall("{.*}",str(html))[0] sjson = json.loads(s) USDCNY = float(sjson["Data"][0][0][1]/10000) return USDCNY