知乎抓取、写入文档

import requests
from pyquery import PyQuery as pq

url='https://www.zhihu.com/explore'
headers={
    'User-Agent':'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36'
    }
html=requests.get(url,headers=headers).text
doc=pq(html)
items=doc('.explore-tab .feed-item ').items()
#print(items)

for item in items:
    question = item.find('h2').text()
    author = item.find('.author-link-line').text()
    answer = pq(item.find('.content').html()).text()
    file = open('explore.txt', 'a', encoding='utf-8')
    file.write('\n'.join([question, author, answer]))
    file.write('\n' + '=' * 50 + '\n')
    file.close()