擅长:python、mysql、java
<blockquote>
<p>how can I duplicate the lambda function as a standard custom sort function? </p>
</blockquote>
<p>你的意思是:</p>
<pre><code>def sort(a, num):
def key(x):
return int(x[num])
return sorted(a, reverse=True, key=key)
</code></pre>
<p>或者这个:</p>
^{pr2}$
<p>是吗?在</p>