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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 raw_to_bv(self):
 """ A counterpart to FP.raw_to_bv - does nothing and returns itself. """

        if self.symbolic:
            return BVS(next(iter(self.variables)).replace(self.STRING_TYPE_IDENTIFIER, self.GENERATED_BVS_IDENTIFIER), self.length)
        else:
            return BVV(ord(self.args[0]), self.length)