Explain what are legends with an example using matplotlib ?

Explain what are legends with an example using matplotlib ?

Explain what are legends with an example using matplotlib ?

This recipe explains what what are legends with an example using matplotlib

Recipe Objective

what are legends? Explain with example

A legend is a predefined function legend() that creates an area on the graph which describes all the elements of a graph.

Step 1- Importing Libraries.

import matplotlib.pyplot as plt import numpy as np

Step 2- Creating Arrays.

x=np.array([2,5,7,9,10,11,15,18,21,24,27,33,38,40,55,64]) y=np.array([5,1,9,5,10,13,19,15,21,24,28,35,41,45,50,71])

Step 3- Plotting Graph without legend.

plt.plot(x, y, label = "line_sample", color='r') plt.xlabel('xaxis') plt.ylabel('yaxis')

Step 4- Plotting Graph with Legend.

plt.plot(x, y, label = "line_sample", color='r') plt.xlabel('xaxis') plt.ylabel('yaxis') plt.legend()

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