擅长:python、mysql、java
<p>您应该在<code>all_words_merged</code>上迭代,并且只包含不在<code>class_words_merged</code>中的单词</p>
<pre><code>result = [x for x in all_words_merged if x not in class_words_merged]
</code></pre>
<p>输出:</p>
<pre><code>['ego', 'tuus', 'casa', 'et', 'cutullus', 'et', 'leviosa']
</code></pre>
<p><strong>编辑</p>
<p>如果<code>class_words_merged</code>可以包含重复项,那么首先使用<code>set</code>将提供更好的性能。你知道吗</p>
<pre><code>cwm_set = set(class_words_merged)
result = [x for x in all_words_merged if x not in cwm_set]
</code></pre>