擅长:python、mysql、java
<p>我相信你需要的是,产品编号一</p>
<p>从<a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.prod.html" rel="nofollow noreferrer">documentation</a>:</p>
<blockquote>
<p><strong>Examples</strong></p>
<p>By default, calculate the product of all elements:</p>
<pre><code>>>> np.prod([1.,2.])
2.0
</code></pre>
<p>Even when the input array is two-dimensional:</p>
<pre><code>>>> np.prod([[1.,2.],[3.,4.]])
24.0
</code></pre>
<p>But we can also specify the axis over which to multiply:</p>
<pre><code>>>> np.prod([[1.,2.],[3.,4.]], axis=1)
array([ 2., 12.])
</code></pre>
</blockquote>
<hr/>
<p>对于你的情况,你需要:</p>
<pre><code>>>> np.prod([1,2,3,4,5])
120
</code></pre>