import requests
from lxml   import etree

url = 'http://search.dangdang.com/?key=python%B3%CC%D0%F2%C9%E8%BC%C6&act=input'

res = requests.get(url)



xhtml = etree.HTML(res.text)

title = xhtml.xpath('//p[@name="title"]/a/text()')
price = xhtml.xpath('//span[@class="search_now_price"]/text()')
people = xhtml.xpath('//p[@class="search_book_author"]/span/a/text()')
jieshao = xhtml.xpath('//p[@class="detail"]/ text()')
for i,j,d,k in zip(title,price,people,jieshao):
    print(i,j,d,k)