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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 _update_record_with_id(self, identifier, rtype, content):
 """Updates existing record with no sub-domain name changes"""

        record = self._create_request_record(identifier, rtype, None, content,
                                             self._get_lexicon_option('ttl'),
                                             self._get_lexicon_option('priority'))

        self._request_modify_dns_record(record)