def test_other_dot_vector(self):
        v1 = Vector([-5.955, -4.904, -1.874])
        v2 = Vector([-4.496, -8.755, 7.103])

        self.assertEqual(v1.dot(v2), 56.397)
    def test_dot_vector(self):
        v1 = Vector([7.887, 4.138])
        v2 = Vector([-8.802, 6.776])

        self.assertEqual(v1.dot(v2), -41.382)