擅长:python、mysql、java
<p>它是<a href="http://docs.scipy.org/doc/numpy/reference/generated/numpy.ndarray.shape.html#numpy.ndarray.shape" rel="noreferrer">^{<cd1>}</a>:</p>
<blockquote>
<p>ndarray.<strong>shape</strong><br/>
Tuple of array dimensions.</p>
</blockquote>
<p>因此:</p>
<pre><code>>>> a.shape
(2, 2)
</code></pre>