擅长:python、mysql、java
<pre><code>import operator
min(apple.values(), key=operator.itemgetter('size'))
</code></pre>
<p>会还给你的</p>
<pre><code>{'color': 'green', 'size': 10}
</code></pre>
<p>更新:要获取索引:</p>
<pre><code>min(apple, key=lambda k: apple[k]['size'])
</code></pre>