擅长:python、mysql、java
<p>另外,<code>&</code>是<a href="https://docs.python.org/2.7/library/stdtypes.html#set" rel="noreferrer">also used</a>用于取两个<a href="https://docs.python.org/2.7/c-api/set.html" rel="noreferrer">Python sets</a>的交集:</p>
<pre><code>set1 = {0,1,2,3}
set2 = {2,3,4,5}
print(set1 & set2)
>>>set([2, 3])
</code></pre>