Add Them All X44784

Statement

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Write a function mat_sum(m) that receives a matrix of int’s m and returns the sum of all the integers in that matrix. The matrix of int’s is represented as a tuple of rows, each row being, in turn, a tuple of int’s.

Sample session

>>> mat_sum( ((8, 0, 2, -1), (4, 3, 2, 1), (10, 11, -11, -10)) ) * 2
38

Information

Author: José Luis Balcázar
Language: English
Official solutions: Python
User solutions: Python