擅长:python、mysql、java
<p>可以使用<a href="https://docs.python.org/3/library/functions.html#any" rel="nofollow">^{<cd1>}</a>和<a href="http://legacy.python.org/dev/peps/pep-0289/" rel="nofollow">generator expression</a>:</p>
<pre><code>if any(partialAnswer in x for x in (primaryTrees, secondaryTrees, tertiaryTrees)):
</code></pre>
<p>请参见下面的演示:</p>
<pre><code>>>> listA = [1, 2, 3]
>>> listB = [4, 5, 6]
>>> listC = [7, 8, 9]
>>> n = 9
>>> any(n in x for x in (listA, listB, listC))
True
>>> n = 4
>>> any(n in x for x in (listA, listB, listC))
True
>>> n = 0
>>> any(n in x for x in (listA, listB, listC))
False
>>>
</code></pre>