Exercise: Multi-Line Plot with Random Values

Create a plot with two lines: the first one should plot x against y, and the second one should plot x against the negative of y. Don't forget to add the expected legend.

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Expected:

Output:

import matplotlib.pyplot as plt
import numpy as np
 
np.random.seed(4)
x = np.arange(20)
y = np.cumsum(np.random.randint(-10,10,(20)))
 
############## add code here ###############

############################################
 
plt.show()

Python

Setting up Python environment...

Output