Add a transpose Python goody

[VolodymyrSemenov]

Closes #340.

[miorel]

Suggested change

	def test_nonsymetric_transpose() -> None:
	def test_nonsymmetric_transpose() -> None:

[miorel]

Let's go a step further and group the asserts too, so the entirety of that test case is co-located!

Suggested change

	input_1 = [[0, 1, 2, 3], [4, 5, 6, 7], [8, 9, 10, 11]]
	expected_1 = [[0, 4, 8], [1, 5, 9], [2, 6, 10], [3, 7, 11]]
	input_2 = [
	input_1 = [[0, 1, 2, 3], [4, 5, 6, 7], [8, 9, 10, 11]]
	expected_1 = [[0, 4, 8], [1, 5, 9], [2, 6, 10], [3, 7, 11]]
	assert transpose_matrix(input_1) == expected_1
	input_2 = [