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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 bitcast(self, typ):
 """ Bitcast this pointer constant to the given type. """

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