How to modify a Matplotlib legend after it has been created?

MatplotlibPythonData Visualization

To modify a Matplotlib legend after it has been created, we can have multiple methods to modify the created legend.

  • Set the figure size and adjust the padding between and around the subplots.
  • Plot a line using plot() method, with two lists and a label.
  • Use legend() method to place a legend over the plot.
  • To modify the matplotlib legend, use set_title() method.
  • To display the figure, use show() method.

Example

from matplotlib import pyplot as plt

plt.rcParams["figure.figsize"] = [7.50, 3.50]
plt.rcParams["figure.autolayout"] = True

plt.plot([1, 3, 4, 5, 2, 1], [3, 4, 1, 3, 0, 1],
         label="line plot", color='red', lw=0.5)

leg = plt.legend(loc="upper right")
leg.set_title("Title")

plt.show()

Output

raja
Rishikesh Kumar Rishi
Published on 18-Jun-2021 10:26:53
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