python爬蟲(chóng)網(wǎng)頁(yè)，為啥始終無(wú)法爬出翻頁(yè)的內(nèi)容?

爬出來(lái)始終是第一頁(yè)的內(nèi)容

import requests
from  requests.exceptions import RequestException
from pyquery import PyQuery as pq
import re
import simplejson as json

def get_one_page(url):
    try:
        response=requests.get(url)
        if response.status_code==200:
            return response.text
    except RequestException:
        return None

def parse_one_page(html):
    doc = pq(html)
    movie=doc('.video_item .sort_lst_tit').text()
    actor=doc('.video_item .sort_lst_txt')
    actor_list=[]
    for items in actor.items():
    # 遍歷獲取到的pyquery對(duì)象
        item_i="".join(((items.text()).strip()[3:])).split()
        item_ii="，".join(item_i)
    #去掉空格,并傳入list中
        actor_list.append(item_ii)
    movie_list=movie.split(' ')
    # 將電影列表整理成列表
    for item in movie_list:
        if item=='(2017)':
            movie_list.remove('(2017)')
        if item=='厲害了,我的國(guó)':
            actor_list.insert((movie_list.index('厲害了,我的國(guó)')),'央視',)
    for i in range(len(actor_list)):
    #生成可迭代對(duì)象
        yield {
            'movie':movie_list[i],
            'actor':actor_list[i]
        }
def write_to_file(content):
    with open('result.txt','a',encoding='utf-8')as f:
        f.write(json.dumps(content,ensure_ascii=False) + '\n')
        f.close()

def main(num):
    url='http://tv.sogou.com/film/list/style-%E5%96%9C%E5%89%A7+page-'+str(num)
    html=get_one_page(url)
    parse_one_page(html)
    for item in parse_one_page(html):
        print(item)
        write_to_file(item)

if __name__=='__main__':
    for i in range(1,10):
        main(i)