擅长:python、mysql、java
<h3>您提到您对<code>matplotlib</code>解决方案没意见:</h3>
<p><strong>数据:</strong></p>
<pre><code>dict = {
"a":np.random.randint(low=-10,high=10,size=20),
"b":np.random.randint(low=-10,high=10,size=20),
"c":np.random.randint(low=-10,high=10,size=20),
"d":np.random.randint(low=-10,high=10,size=20),
}
df = pd.DataFrame(dict)
</code></pre>
<p><strong>绘图:</strong></p>
^{pr2}$
<p><strong>结果:</strong></p>
<p><a href="https://i.stack.imgur.com/BewTz.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/BewTz.png" alt="enter image description here"/></a></p>