擅长:python、mysql、java
<pre><code>Category20:
{3: ['#1f77b4', '#aec7e8', '#ff7f0e'],
4: ['#1f77b4', '#aec7e8', '#ff7f0e', '#ffbb78'],
5: ['#1f77b4', '#aec7e8', '#ff7f0e', '#ffbb78', '#2ca02c'],
6: ['#1f77b4', '#aec7e8', '#ff7f0e', '#ffbb78', '#2ca02c', '#98df8a'],
7: ['#1f77b4',.... ]
.
.
20: []
</code></pre>
<p>所以最好的使用方法是:</p>
<pre><code>Category20[20][0]
</code></pre>