擅长:python、mysql、java
<p>您可以使用列表理解:</p>
<p>检查第5.1.4节</p>
<p><a href="http://docs.python.org/2/tutorial/datastructures.html" rel="nofollow">http://docs.python.org/2/tutorial/datastructures.html</a></p>
<pre><code>rates = [x['rate'] for x in evnt.values()]
values = [x['val'] for x in evnt.values()]
</code></pre>