简单的Legend02

简单的Legend02示例

  1. import matplotlib.pyplot as plt
  3. fig, ax = plt.subplots()
  5. line1, = ax.plot([1, 2, 3], label="Line 1", linestyle='--')
  6. line2, = ax.plot([3, 2, 1], label="Line 2", linewidth=4)
  8. # Create a legend for the first line.
  9. first_legend = ax.legend(handles=[line1], loc='upper right')
  11. # Add the legend manually to the current Axes.
  12. ax.add_artist(first_legend)
  14. # Create another legend for the second line.
  15. ax.legend(handles=[line2], loc='lower right')
  17. plt.show()

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