def get_sum_of_diagonals(mat):
sd1 = 0
sd2 = 0
for i in range(0, len(mat)):
for j in range(0, len(mat)):
if (i == j):
sd1 += mat[i][j]
if ((i + j) == (len(mat)-1)):
sd2 += mat[i][j]
return sd1+sd2
mat = [[1,2,9],[4,5,6],[18,8,12]]
print(get_sum_of_diagonals(mat))Sum of the Diagonals
Carvia Tech | June 21, 2019 | 1 min read | 5 views
Given a square matrix of size N by N, calculate the sums of its diagonals. There are two diagonals in each array.
Output
50
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