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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 __getitem_slice(self, slce):
 """Return a range which represents the requested slce of the sequence represented by this range. """

        scaled_indices = (self._step * n for n in slce.indices(self._len))
        start_offset, stop_offset, new_step = scaled_indices
        return newrange(self._start + start_offset,
                        self._start + stop_offset,
                        new_step)