《Python编程快速上手—让繁琐工作自动化》第11章实践项目答

11.6项目 "I'm Feeling Lucky"

#! python3

import requests
import bs4
import webbrowser
import sys

print('Baiduing...')
res = requests.get('http://www.baidu.com/s?wd=' + ' '.join(sys.argv[1:]))
res.raise_for_status()
soup = bs4.BeautifulSoup(res.text, features='html5lib') 
link_elems = soup.select('.t a')

number_opens = min(5, len(link_elems))
for i in range(number_opens):
    webbrowser.open(link_elems[i].get('href'))

程序运行结果

PS D:\My Documents\Python\Scripts> python.exe .\luck.py python 教程 推荐
Baiduing...
PS D:\My Documents\Python\Scripts>