list1d = [1, 3, 5, 2]

list2d = [ [1, 2, 3, 4],
           [5, 6, 7, 9],
           [0, 8, 2, 3]
         ]

list3d = [ [[5,6], [4,2], [1,7], [2,4]],
           [[1,2], [6,3], [2,5], [7,5]],
           [[3,8], [1,5], [4,3], [2,4]]
         ]

print(list1d[2])
print(list2d[1][2])
print(list3d[2][0][1])
