# ============================
# -*8 coding: utf-8 -*-
# @Author:   黄家宝
# @Corporation: AI悦创
# @Version:  1.0 
# @Function: 功能
# @DateTime: 2019-07-18 18:18:01
# ============================
html_doc = """
<html>
<head>
<title>The Dormouse's story</title>

</head>

<p class="title"><b>The Dormouse's story</b></p>

<p class="story">Once upon a time there were three little sisters; and their names were
<a href="http://example.com/elsie" class="sister" id="link1">Elsie</a>,
<a href="http://example.com/lacie" class="sister" id="link2">Lacie</a> and
<a href="http://example.com/tillie" class="sister" id="link3">Tillie</a>;
and they lived at the bottom of a well.</p>

<p class="story">...</p>
"""

from bs4 import BeautifulSoup
soup = BeautifulSoup(html_doc)
print(soup.find_all('a'))