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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 _readMultiple(self, start, end, db):
 """ Returns a list of hashes with serial numbers between start and end, both inclusive. """

        self._validatePos(start, end)
        # Converting any bytearray to bytes
        return [bytes(db.get(str(pos))) for pos in range(start, end + 1)]