def test_distance_manhattan(self):
x = Vector(1, 2)
y = Vector(2, 1)
expected_distance_x_y = 2
self.assertEqual(expected_distance_x_y,
x.distance(y, algorithm="manhattan"))
def test_distance_euclidean(self):
x = Vector(1, 2)
y = Vector(2, 1)
expected_distance_x_y = sqrt(2)
self.assertEqual(expected_distance_x_y,
x.distance(y, algorithm="euclidean"))
