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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 decode(self, bytes):
 """Decodes the given bytes according to this AIT Argument Definition. """

        value = self.type.decode(bytes)
        if self._enum is not None:
            for name, val in self._enum.items():
                if value == val:
                    value = name
                    break
        return value