Python获取比特币的涨幅

import json
import re

import requests
from bs4 import BeautifulSoup

r = requests.get('https://www.mytoken.io/currency/btc/49653')
res = BeautifulSoup(r.content, features='html.parser')
for i in res.find_all('div',class_='percent percent-up'):
    find_float = lambda x: re.search("\d+(\.\d+)?", x).group()
    print(find_float(i.text))