擅长:python、mysql、java
<p>使用<a href="http://docs.python.org/2/library/collections.html#ordereddict-objects" rel="nofollow">collections.OrderedDict</a></p>
<blockquote>
<p>Ordered dictionaries are just like regular dictionaries but they remember the order that items were inserted. When iterating over an ordered dictionary, the items are returned in the order their keys were first added.</p>
</blockquote>