擅长:python、mysql、java
<p>使用set和not in like so:</p>
<pre><code>list_1 = ['Peter', 'Jan', 'Richard']
list_2 = ['Floyd', 'Richard', 'Bob']
set_2 = set(list_2)
main_list = [item for item in list_1 if item not in set_2]
main_list
</code></pre>
<p>输出:</p>
<pre><code>['Peter', 'Jan']
</code></pre>