matplotlib笔记——legend用法

matplotlib笔记——legend用法 rates = [0.01, 0.001, 0.0001] models = {} costs = np.array([[0.7, 0.9, 0.4, 0.6, 0.4, 0.3, 0.2, 0.1], [0.7, 0.65, 0.64, 0.63, 0.62, 0.61, 0.60, 0.59], [0.7, 0.6, 0.5, 0.45, 0.43

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