擅长:python、mysql、java
<p>试试这个:</p>
<pre><code>new_list = []
for sublist in countries_and_capitals:
if sublist[0][0] == sublist[1][0]:
new_list.append(sublist)
</code></pre>
<p>您将得到:</p>
<pre><code>new_list
[['Algeria', 'Algiers'], ['Andorra', 'Andorra la Vella']]
</code></pre>