参考github链接https://github.com/hellysmile/fake-useragent
1.安装

pip install fake-useragent

2.使用案例
2.1查看各浏览器的user-agent值

from fake_useragent import UserAgent
ua = UserAgent()
#chrome浏览器
print(ua.chrome)
Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/32.0.1667.0 Safari/537.36

2.2查看随机值得重复

from fake_useragent import UserAgent

ua = UserAgent()


print(ua.chrome)

for i in range(3):
    print(ua.random)

2.3爬虫应用

import requests
from fake_useragent import UserAgent
ua = UserAgent()
headers = {'User-Agent': ua.random}
url = 'http://待爬取的页面'
resp = requests.get(url, headers=headers)