擅长:python、mysql、java
<p>您忘记添加<a href="https://matplotlib.org/3.1.1/api/_as_gen/matplotlib.pyplot.show.html" rel="nofollow noreferrer">^{<cd1>}</a>:</p>
<pre><code>from matplotlib import pyplot
fig, ax = pyplot.subplots()
ax.plot([1, 2, 3], [1, 4, 6])
pyplot.show()
</code></pre>
<p>输出:</p>
<p><a href="https://i.stack.imgur.com/9xavW.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/9xavW.png" alt="enter image description here"/></a></p>