爬取所有分页中的图书数据。
分页URL格式：/level6?page=1, /level6?page=2 ...
可以通过循环构造URL：
all_books = []
for page in range(1, total_pages + 1):
url = f'https://req.haleibc.com/level6?page={page}'
response = requests.get(url)
# 提取当前页的数据
# all_books.extend(current_page_books)
¥28.0
¥30.0
¥26.0
共有 4 页，应该爬取到所有图书的数据