Can u put a list in a list to make a matrix of some sort

Answer 1

Yes you can.
Ex. [[1, 0, 0], [0, 1, 0], [0, 0, 1]]

Also you can take a look at "Numpy" module

Answer 2

Yes. Nested lists: [0, 1, 2, 3, [a, b, c, [5, 4, 3, 2, 1]], 5, 6, 7]. They make matrices easy to create