擅长:python、mysql、java
<pre><code>ballots = [['NDP', 'LIBERAL'], ['GREEN', 'NDP'], ['NDP', 'BLOC']]
to_eliminate = ['NDP', 'LIBERAL']
res = [[element for element in b if element not in to_eliminate] for b in ballots]
print(res)
</code></pre>
<p>印刷品</p>
<pre><code>[[], ['GREEN'], ['BLOC']]
</code></pre>