擅长:python、mysql、java
<p>为此任务使用<code>numpy.bincount</code>(查看更多详细信息<a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.bincount.html" rel="nofollow noreferrer">here</a>)</p>
<pre><code>import numpy as np
list = np.bincount(Arr)
</code></pre>