Update NumPy array element

Replace the element with a value of 9 in the array with the value 99.

import numpy as np
 
a = np.array([
    [3, 1, 7],
    [4, 9, 2],
    [12, 3, 1],
    [12, 11, 8]
])
 
# update value here...

 
print(a)
# expected: [[3 1 7][4 99 2][12 3 1][12 11 8]]

Python

Setting up Python environment...

Output