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# Python2.x Python Exercise Instance 44 - Python Add Two Matrices [ Python 100 Examples](#) Two 3x3 matrices, add the data in their corresponding positions, and return a new matrix: X = [[12,7,3], [4 ,5,6], [7 ,8,9]] Y = [[5,8,1], [6,7,3], [4,5,9]] Program Analysis: Create a new 3x3 matrix, use a for loop to iterate and extract the values at corresponding positions in the X and Y matrices, add them, and place them in the corresponding positions of the new matrix. Program Source Code: ## Source Code: #!/usr/bin/python# -*- coding: UTF-8 -*-X = [[12,7,3], [4 ,5,