擅长:python、mysql、java
<p>设置交叉点应该有帮助。此外,还可以使用生成器表达式从<code>top_url_list</code>中的每个条目中提取url。你知道吗</p>
<pre><code>file_url_list = ['www.latimes.com', 'www.facebook.com', 'affinitweet.com']
top_url_list = [[1, 'google.com'], [2, 'www.google.com'], [3, 'microsoft.com']]
common_urls = set(file_url_list) & set(url for (index, url) in top_url_list)
</code></pre>
<p>或者等效地感谢<a href="https://stackoverflow.com/users/6451573/jean-fran%c3%a7ois-fabre">Jean-François Fabre</a>:</p>
<pre><code>common_urls = set(file_url_list) & {url for (index, url) in top_url_list}
</code></pre>