Building Useful Classes


I feel proud of my code, but Python says that there is something wrong
Could someone help me fix it?

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

my_point = Point3D(1, 2, 3)

print my_point


never mind, I just forgot to return for a function.


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