百度知道爬虫，根据问题id，线索id，评论id获取评论下面的对话

import requests
import time
import math
import demjson

comment_request = [{'thread_id': '11817919873', 'qid': '96177926', 'rid': '2954479968'}, {'thread_id': '1260090477', 'qid': '96177926', 'rid': '315022619'}, {'thread_id': '1260687497', 'qid': '96177926', 'rid': '315171874'}, {'thread_id': '11734823241', 'qid': '96177926', 'rid': '2933705810'}, {'thread_id': '1260108277', 'qid': '96177926', 'rid': '315027069'}]
def get_new_comment(param):
    t = str(math.floor(time.time()))
    # url = "https://zhidao.baidu.com/api/comment?method=get_new_comment&app=qb&thread_id=1260090477&qid=96177926&rid=2954479968"
    url = "https://zhidao.baidu.com/api/comment?method=get_new_comment&app=qb&thread_id=" + param['thread_id'] + "&qid=" + param['qid'] + "&rid=" + param['rid'] + "&pn=0&rn=10&r=" + t
    print(url)
    # url = "https://zhidao.baidu.com/api/comment?method=get_new_comment&app=qb&thread_id=11817919873&qid=96177926&rid=2954479968&pn=0&rn=10&r=" + t
    resp = requests.post(url)
    comment = resp.json()
    if comment['data']['comment_count'] != None:
        for item in comment['data']['comment_list']:
            str_create_time = item['str_create_time']
            content = item['content']
            from_uname = item['from_uname']
            from_uid = item['from_uid']
            to_uid = item['to_uid']
            id = param['rid']
            print(str_create_time, content, from_uname, from_uid, to_uid, id)

for req in comment_request:
    get_new_comment(req)