Class Vector3D

example_code/item_063.py:187–190

print("Example 12")
class Vector3D(RegisteredSerializable):
    def __init__(self, x, y, z):
        super().__init__(x, y, z)
        self.x, self.y, self.z = x, y, z

before = Vector3D(10, -7, 3)
print("Before:    ", before)