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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 inttoptr(self, typ):
 """ Cast this integer constant to the given pointer type. """

        if not isinstance(self.type, types.IntType):
            raise TypeError("can only call inttoptr() on integer constants, not '%s'"
                            % (self.type,))
        if not isinstance(typ, types.PointerType):
            raise TypeError("can only inttoptr() to pointer type, not '%s'"
                            % (typ,))

        op = "inttoptr ({0} {1} to {2})".format(self.type,
                                                self.get_reference(),
                                                typ)
        return FormattedConstant(typ, op)