怎么用Python爬取电视剧所有剧情

# coding=utf-8# @Auther :　鹏哥贼优秀# @Date : 2019/8/7
from bs4 import BeautifulSoupimport requestsimport getheader
# 获取每一集对应的标题及对应的界面URL关键地址def get_title():    url = "https://www.tvsou.com/storys/0d884ba0dd/"    headers = getheader.getheaders()    r = requests.get(url, headers=headers)    r.encoding = "utf-8"    soup = BeautifulSoup(r.text, "lxml")    temps = soup.find("ul", class_="m-l14 clearfix episodes-list teleplay-lists").find_all("li")    tempurllist = []    titlelist = []    for temp in temps:        tempurl = temp.a.get("href")        title = temp.a.get("title")        tempurllist.append(tempurl)        titlelist.append(title)    return tempurllist, titlelist
# 下载长安十二时辰的第x集之后所有剧情，默认从第一集开始下载。def Changan(episode=1):    tempurllist_b, titlelist_b = get_title()    tempurllist = tempurllist_b[(episode - 1):]    titlelist = titlelist_b[(episode - 1):]    baseurl = "https://www.tvsou.com"    for i, tempurl in enumerate(tempurllist):        print("正在下载第{0}篇".format(str(i + episode)))        url = baseurl + tempurl        r = requests.get(url, headers=getheader.getheaders())        r.encoding = "utf-8"        soup = BeautifulSoup(r.text, "lxml")        result = soup.find("pre", class_="font-16 color-3 mt-20 pre-content").find_all("p")        content = []        for temp in result:            if temp.string:                content.append(temp.string)        with open("test.txt", "a") as f:            f.write(titlelist[i] + "\n")            f.writelines(content)            f.write("\n")
if __name__ == "__main__":    Changan(43)