擅长:python、mysql、java
<p>使用<a href="http://docs.python.org/library/stdtypes.html#set.difference" rel="nofollow noreferrer">^{<cd1>}</a>:</p>
<pre><code>>>> list1 = ['one','two','three','four','five']
>>> list2 = ['one','two','four']
>>> set(list1).difference(list2)
{'five', 'three'}
</code></pre>
<p>您可以跳过<code>list2</code>到set的转换。在</p>