For the matrix verify the associativity of matrix multiplication i.e. (AB)C = A(BC). A = [[4, 2, 3], [1, 1, 2], [3, 0, 1]], B = [[0, -1, 1], [0, 1, 2], [2, -1, 1]] and C = [[1, 2, -1], [3, 0, 1], [0, 0, 1]]