Given variable A that contains any vector or matrix, subtract 3 from it, and assign the result to variable B Examples: Input A = [8 - 3 0 8 7 -2] Output B = [5 - 6 -3 5 4 -5] Input A = [9 0 1 -8 -6 -3] Output B = [6 -3 -2 -1 -9 -6]