请大家看一下代码哪里错了
# -*- coding: UTF-8 -*-
from bs4 import BeautifulSoup
html_doc = """
<html><head><title>The Dormouse's story</title></head>
<body>
<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=html_doc = """
<html><head><title>The Dormouse's story</title></head>
<body>
<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>
""" 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>
"""
soup=BeautifulSoup(html_doc,'html.parser', from_encoding='utf-8')
print "获取所有链接"
links=soup.find_all('a')
for link in links:
print link.name,link['href'],link.get_text()
print"获得Lacie的链接"
links_node=soup.find('a',href="http://example.com/lacie")
print links_node.name,links_node['href'],links_node.get_text()
print "正则匹配"
import re
link_node=soup.find('a',href=re.compile(r"ill"))
print link_node.name,link_node['href'],link_node.get_text()
print "p"
p_node=soup.find('p',class_="title")
print p_node.name,p_node.get_text()
