v8 = Vector([8.813, -1.331, -6.247])
print('||{}|| = {}'.format(v7, v7.magnitude()))
print('||{}|| = {}'.format(v8, v8.magnitude()))
print()
# Normalisation
v9 = Vector([5.581, -2.136])
v10 = Vector([1.996, 3.108, -4.554])
print('1/||{}|| * {} = {}'.format(v9, v9, v9.normalise()))
print('1/||{}|| * {} = {}'.format(v10, v10, v10.normalise()))
print()
# Dot Product
v11 = Vector([7.887, 4.138])
v12 = Vector([-8.802, 6.776])
v13 = Vector([-5.955, -4.904, -1.874])
v14 = Vector([-4.496, -8.755, 7.103])
print('{} * {} = {}'.format(v11, v12, v11 * v12))
print('{} * {} = {}'.format(v13, v14, v13 * v14))
print()
# Angle Between
v15 = Vector([3.183, -7.627])
v16 = Vector([-2.668, 5.319])
v17 = Vector([7.35, 0.221, 5.188])
v18 = Vector([2.751, 8.259, 3.985])
print('Angle between {} and {} = {}'.format(v15, v16,
v15.get_angle_with(v16)))
print('Angle between {} and {} = {}'.format(v17, v18,
v17.get_angle_with(v18, True)))
