def test_size():
a = MyMatrix([[1, 2, 5], [3, 4, 6]])
assert a.size() == (2, 3)
a = MyMatrix([[], []])
assert a.size() == (2, 0)
a = MyMatrix([])
assert a.size() == (0, 0)
def test_transposed():
a = MyMatrix([[1, 3, 4], [5, 7, 2]])
assert (a.transposed().get_data() == [[1, 5], [3, 7], [4, 2]])
assert (a.get_data() == [[1, 3, 4], [5, 7, 2]])
a = MyMatrix([[1, 3], [5, 7], [9, 0]])
assert (a.transposed().get_data() == [[1, 5, 9], [3, 7, 0]])
assert (a.get_data() == [[1, 3], [5, 7], [9, 0]])
def test_transpose():
a = MyMatrix([[1, 2, 5], [3, 4, 6]])
a.transpose()
assert (a.matrix == [[1, 3], [2, 4], [5, 6]])
def test_flipped_up_down():
a = MyMatrix([[1, 3, 4], [5, 7, 2]])
assert (a.flipped_up_down().get_data() == [[5, 7, 2], [1, 3, 4]])
assert (a.get_data() == [[1, 3, 4], [5, 7, 2]])
def test_repr():
a = MyMatrix([[1, 2, 5], [3, 4, 6]])
assert a.__repr__() == ' 1 2 5\n 3 4 6\n'
def test_flipped_left_right():
a = MyMatrix([[1, 3, 4], [5, 7, 2]])
assert (a.flipped_left_right().get_data() == [[4, 3, 1], [2, 7, 5]])
assert (a.get_data() == [[1, 3, 4], [5, 7, 2]])
def test_flip_up_down():
a = MyMatrix([[1, 2, 5], [3, 4, 6]])
a.flip_up_down()
assert a.matrix == [[3, 4, 6], [1, 2, 5]]
def test_flip_left_right():
a = MyMatrix([[1, 2, 5], [3, 4, 6]])
a.flip_left_right()
assert (a.matrix == [[5, 2, 1], [6, 4, 3]])