Python爬虫——批量爬歌曲

import requests
import re

songids_url = 'http://music.taihe.com/artist/2517'
response = requests.get(songids_url)
response.encoding = response.apparent_encoding
html = response.text

songids = set(re.findall('a href="/song/(.*?)"',html))
for songid in songids:
    url_api = "http://musicapi.taihe.com/v1/restserver/ting?method=baidu.ting.song.playAAC&songid={}".format(songid)
    response = requests.get(url_api)
    data = response.json()
    file_link = data['bitrate']['file_link']
    title = data['songinfo']['title']
    print(file_link, title)

    response = requests.get(file_link)
    with open("%s.m4a"%title,mode = 'wb') as f:
        f.write(response.content)