array = [[0 1 2 3 4 5] [6 7 8 9 10 11] [12 13 14 15 16 17] [18 19 20 21 22 23] [24 25 26 27 28 29] [30 31 32 33 34 35]] array[0, 3:5] = [3 4] array[4:, 4:] = [[28 29], [34 35]] array[:, 2] = [2 8 14 20 26 32] array[2:;2, ::2] = [[12 14 16], [24 26 28]]