擅长:python、mysql、java
<p>绘图<a href="http://matplotlib.org/api/artist_api.html#matplotlib.artist.Artist.set_label" rel="noreferrer">sets the label that's used by legend</a>的标记kwarg。要显示它,可以将<a href="http://matplotlib.org/users/legend_guide.html" rel="noreferrer">legend</a>添加到绘图中。或者,您可能希望改用<a href="http://matplotlib.org/users/annotations_intro.html" rel="noreferrer">annotate</a>。</p>