擅长:python、mysql、java
<p>看看python<a href="https://docs.python.org/2/library/timeit.html" rel="nofollow"><strong>timeit</strong> module</a>。你知道吗</p>
<p>基本示例:</p>
<pre><code>>>> import timeit
>>> timeit.timeit('"-".join(str(n) for n in range(100))', number=10000)
</code></pre>