擅长:python、mysql、java
<p>可以将多个参数传递给test.update</p>
<pre><code>test.update(*thelist)
</code></pre>
<blockquote>
<p>Help on built-in function update:</p>
<p>update(...)
Update a set with the union of itself and others.</p>
</blockquote>
<pre><code>>>> setA = set("A")
>>> setB = set("B")
>>> L = [setA, setB]
>>> test = set("C")
>>> test.update(*L) # equivalent to calling test.update(setA, setB)
>>> test
set(['A', 'C', 'B'])
</code></pre>