<p>将CSS选择器与逗号<code>", "</code>:<code>'a:nth-child(2), a:nth-child(3), a:nth-child(5)'</code>一起使用:</p>
<pre><code>import requests
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/tillie" class="sister" id="link3">Millie</a>
<a href="http://example.com/tillie" class="sister" id="link3">Tillie</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')
a2, a3, a5 = soup.select('a:nth-child(2), a:nth-child(3), a:nth-child(5)')
print(a2)
print(a3)
print(a5)
</code></pre>
<p>印刷品:</p>
<pre><code><a class="sister" href="http://example.com/tillie" id="link3">Millie</a>
<a class="sister" href="http://example.com/tillie" id="link3">Tillie</a>
<a class="sister" href="http://example.com/tillie" id="link3">Tillie</a>
</code></pre>
<hr/>
<p>更多信息:<a href="https://www.w3schools.com/cssref/css_selectors.asp" rel="nofollow noreferrer">CSS Selectors Reference</a></p>