import requests
from bs4 import BeautifulSoup

headers = {'User-Agent' : 'Mozilla/5.0 (Windows NT 10.0; Win64; x64)AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36'}
data = requests.get('https://search.shopping.naver.com/book/search/category?bookTabType=BEST_SELLER&catId=50005543&pageIndex=1&pageSize=40',headers=headers)

soup = BeautifulSoup(data.text, 'html.parser')


#book_list > ul > li:nth-child(2) > div > a.bookListItem_info_top__VgpiO.linkAnchor > div.bookListItem_text_area__hF892 > div.bookListItem_title__X7f9_ > span
#book_list > ul > li:nth-child(3) > div > a.bookListItem_info_top__VgpiO.linkAnchor > div.bookListItem_text_area__hF892 > div.bookListItem_title__X7f9_ > span

books = soup.select('#book_list > ul')

for book in books:
        list = book.select_one('div > a.bookListItem_info_top__VgpiO.linkAnchor > div.bookListItem_text_area__hF892 > div.bookListItem_title__X7f9_ > span')
        if list is not None:
            print(list)

#book_list > ul > li:nth-child(2) > div > a.bookListItem_info_top__VgpiO.linkAnchor > div.bookListItem_text_area__hF892 > div.bookListItem_title__X7f9_ > span
#book_list > ul > li:nth-child(3) > div > a.bookListItem_info_top__VgpiO.linkAnchor > div.bookListItem_text_area__hF892 > div.bookListItem_title__X7f9_ > span

검사해서 이렇게 떠서 위에 코드를 쳤는데 list에 전부 뜨지 않고 맨 위에것만 뜨는 이유가 궁금합니다.