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求大神解答为什么报错

# -*- 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="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>
"""

soup = BeautifulSoup(html_doc, 'html.parser', from_encoding='utf-8')

links = soup.find_all('a')

for link in links():
    print link.name,link['href'],link.get_text()

Traceback (most recent call last):

File "E:/scripts/Test/venv/why.py", line 22, in <module>

for link in links():

TypeError: 'ResultSet' object is not callable