python豆瓣250爬取

import requests
from bs4 import BeautifulSoup
from lxml import etree
# qianxiao996精心制作
#博客地址：https://blog.csdn.net/qq_36374896

url = "https://movie.douban.com/top250"
headers = {

    "User-Agent": "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:34.0) Gecko/20100101 Firefox/34.0"
}
def Getbyxml(url):
    data = requests.get(url,headers = headers).text
    name = []
    star_con = []
    score =[]
    info = []
    comment_list = []
    response = etree.HTML(data)
    result = response.xpath('/html/body/div[3]/div[1]/div/div[1]/ol/li')
    for item in result:
         name_item = item.xpath("./div/div[2]/div[1]/a/span[1]/text()")[0].strip()
         info_name = item.xpath("./div/div[2]/div[2]/p[1]/text()")[0].strip()
         score_item = item.xpath("./div/div[2]/div[2]/div/span[2]/text()")[0].strip()
         star_item = item.xpath("./div/div[2]/div[2]/div/span[4]/text()")[0].strip()
         try:
             comment = item.xpath("./div/div[2]/div[2]/p[2]/span/text()")[0].strip()
             comment_list.append(comment)
         except:
             comment_list.append('无')

         score.append(score_item)
         name.append(name_item)
         star_con.append(star_item)
         info.append(info_name)

    return name,info,score,star_con,comment_list
    
t=Getbyxml(url)
print(t)