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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 in_base(self, base):
 """ Return value in ``base``. :returns: Radix in ``base`` :rtype: Radix :raises ConvertError: if ``base`` is less than 2 """

        if base == self.base:
            return copy.deepcopy(self)
        (result, _) = Radices.from_rational(self.as_rational(), base)
        return result