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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 _create_record(self, rtype, name, content):
 """ create a record does nothing if the record already exists :param str rtype: type of record :param str name: name of record :param mixed content: value of record :return bool: success status :raises Exception: on error """

        opts = {'domain': self._domain, 'type': rtype.upper(),
                'name': self._full_name(name), 'content': content}
        if self._get_lexicon_option('ttl'):
            opts['ttl'] = self._get_lexicon_option('ttl')
        opts.update(self._auth)

        response = self._api.nameserver.createRecord(opts)
        self._validate_response(
            response=response, message='Failed to create record',
            exclude_code=2302)

        return True