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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 elements(self):
 """Return the identifier's elements as tuple."""

        offset = self.EXTRA_DIGITS
        if offset:
            return (self._id[:offset], self.company_prefix, self._reference,
                    self.check_digit)
        else:
            return (self.company_prefix, self._reference, self.check_digit)