做一个获取Bing网页搜索结果链接的程序，soup.select()关键字书上让用'.r a'

Question

#! python3
#search.py - Opens several Bing search results.

import requests,sys,webbrowser,bs4

print('Searching in Bing ...')
res=requests.get('http://cn.bing.com/search?q='+' '.join(sys.argv[1:]))
res.raise_for_status()

soup=bs4.BeautifulSoup(res.text,'html.parser')

linkElems=soup.select('h2 a href')

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

Answer 1

linkElems=soup.select('h2 a href')
改成
linkElems=soup.select('h2 a')