擅长:python、mysql、java
<p>您想要使用<code>weight</code>kwarg(参见<a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.histogram.html#numpy-histogram" rel="noreferrer">numpy docs</a>),它是通过<code>ax.hist</code>(<a href="http://matplotlib.org/api/axes_api.html#matplotlib.axes.Axes.hist" rel="noreferrer">see</a>)传递的。在</p>
<p>有点像</p>
<pre><code>fig, ax = plt.subplots()
ax.hist(num_sold, bins, weights=num_sold)
</code></pre>