python plt.scatter label

在使用Matplotlib绘制散点图时，可以使用plt.scatter函数添加标签。该函数可以通过设置参数label来添加标签。例如，plt.scatter(X[:, 0], X[:, 1], label="data")会在散点图中添加一个标签为"data"的标签。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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