python BeautiulSoup

==============================================查找网页中<a>标签中的链接
from bs4 import BeautifulSoup

with open('beautifulSoup_test.html','r',encoding='utf-8')as f:    #beautifulSoup_test.html是同级网页源代码

    bs=BeautifulSoup(f.read())
    a_lst=bs.find_all('a')
    for a in a_lst:
        if a.text!='':
            print(a.text.strip(),a['href'])