import requestsfrom bs4 import BeautifulSoupdef get_book(url):    wb_data = requests.get(url)    soup = BeautifulSoup(wb_data.text,'lxml')    title_list = soup.select('h1 > span')    title = title_list[0].text    author_list = soup.select('div#info > a')    author = author_list[0].text.replace(" ", "").replace("\n", "")    score_list = soup.select('strong.ll.rating_num')    score = score_list[0].text    data = {        'title':title,        'score':score,        'author':author,    }    print(data)def get_all_book():    for i in range(0,250,25):        url = 'https://book.douban.com/top250?start=' + str(i)        wb_data = requests.get(url)        soup = BeautifulSoup(wb_data.text,'lxml')        href_list = soup.select('div.pl2 > a')        for href in href_list:            link = href.get('href')            get_book(link)get_all_book()