擅长:python、mysql、java
<p>您可以使用numpy:</p>
<pre><code>import numpy as np
x = [[5,12,3,7,90],
[9,1,63,23,8],
[73,11,8,2,5]]
x = np.array(x)
x = x[:, np.where(x[2] < 70)[0]]
x = x[:, np.argsort(x[2])].tolist()
</code></pre>
<p>这将给你:</p>
<blockquote>
<p>[[7, 90, 3, 12], [23, 8, 63, 1], [2, 5, 8, 11]]</p>
</blockquote>