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#!/usr/bin/evn python
# 2D array
x = [[1,2,3],
[4,5,6],
[7,8,9]]
y = [[9,8,7],
[6,5,4],
[3,2,1]]
mSum = [[0,0,0],
[0,0,0],
[0,0,0]]
# Iterate through rows
for i in range(len(x)):
# Iterate through columns
for j in range(len(x[0])):
mSum[i][j] = x[i][j] + y[i][j]
for mxs in mSum:
print(mxs)
# ***** Output *****
# [10, 10, 10]
# [10, 10, 10]
# [10, 10, 10]