python下载想听的有声书，让喜马拉雅收费，我是程序员！

from urllib import parse,request

import urllib

header_dict = {'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; Trident/7.0; rv:11.0) like Gecko'}

for i in range(1328,3000):

    url="https://ting55.com/book/9580-"+str(i)

    req = request.Request(url=url, headers=header_dict)

    res = request.urlopen(req)

    res = res.read()

    body=str(res,encoding='utf-8')

    startStr='(function(){var a={m4a:"'

    start=body.find(startStr)

    end=body.find('"};ting55_play("m4a",')

    url=body[start+len(startStr):int(end)]

    LocalPath="D:/超品相师/"+str(i)+".m4a"

    print('正在下载第'+str(i)+"集...")

    urllib.request.urlretrieve(url,LocalPath)