Test OO

class Vector3:

    def __init__(self, x = 0, y = 0, z = 0):
        self.x, self.y, self.z = x, y, z

    def __add__(self, v):
        return Vector3(self.getX() + v.getX(), self.getY() + v.getY(), self.getZ() + v.getZ())

    def __sub__(self, v):
        return Vector3(self.getX() - v.getX(), self.getY() - v.getY(), self.getZ() - v.getZ())

    def __str__(self):
        return (("|{}\n|{}\n|{}\n").format(self.x, self.y, self.z))

    def __eq__(self, v):
        return (self.getX() == v.getX() and self.getY() == v.getY() and self.getZ() == v.getZ())

    def set(self, x, y, z):
        selx.x, self.y, self.z = x, y, z

    def setX(self, x):
        self.x = x

    def setY(self, y):
        self.y = y

    def setZ(self, z):
        self.z = z

    def getX(self):
        return self.x

    def getY(self):
        return self.y

    def getZ(self):
        return self.z