擅长:python、mysql、java
<p>使用<code>python</code>(而不是<code>numpy</code>),您可以直接<code>random.shuffle</code>行:</p>
<pre><code>import random
matrix = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]
print(matrix)
random.shuffle(matrix) # random.shuffle mutates the input and returns None
print(matrix)
</code></pre>
<h3>样本输出:</h3>
<pre><code>[[1, 2, 3], [4, 5, 6], [7, 8, 9]]
[[7, 8, 9], [1, 2, 3], [4, 5, 6]]
</code></pre>