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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def as_dict(self):
 """ Json-serializable dict representation of a kpoint """

        return {"lattice": self.lattice.as_dict(),
                "fcoords": list(self.frac_coords),
                "ccoords": list(self.cart_coords), "label": self.label,
                "@module": self.__class__.__module__,
                "@class": self.__class__.__name__}