Answer to Question #190378 in Python for Arbab Abdul basit

Question

rite a function called diagonal_sum that takes a 2D list(matrix) of 3x3as a parameter andprints its Left diagonal sumand Right diagonal sum

Answer 1

def diagonal_sum(A):
    n = len(A)
    left = 0
    right = 0
    for i in range(n):
        left += A[i][n-i-1]
        right += A[i][i]
    print(f'Left diagonal sum is {left}')
    print(f'Right diagonal sum is {right}')