plot title of graph in matplotlib code example

Example 1: matplotlib title inside plot

import matplotlib. pyplot as plt
A= [2,1,4,5]; B = [3,2,-2,1]
plt.scatter(A,B)
plt.title("title", x=0.9, y=0.9)
plt.xlabel("x-axis")
plt.ylabel("y-axis")
plt.show()

Example 2: set title matplotlib

import matplotlib.pyplot as plt

fig, axs = plt.subplots(1, 2)
axs[0].set_title('TITLE1')