Python Classes ctn'd

point_3d.py

class Point3D(object):
    def __init__(self, x, y, z):
        self.x = x
        self.y = y
        self.z = z
        
    def __repr__(self):
        return "(%d, %d, %d)" % (self.x, self.y, self.z)
        

my_point = Point3D(1, 2, 3)
print my_point