def __sub__(self, rhs):

        x, y, z = self._v
        ox, oy, oz = rhs
        return self.from_floats(x-ox, y-oy, z-oz)
Returns the result of subtracting a vector (or collection of
dataset/ETHPy150Open PythonProgramming/Beginning-Game-Development-with-Python-and-Pygame/Chapter 10/gameobjects/vector3.py/Vector3.__sub__