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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(self, unique_name=values.unset, ttl=values.unset, collection_ttl=values.unset):
 """ Create a new SyncListInstance :param unicode unique_name: Human-readable name for this list :param unicode ttl: Alias for collection_ttl :param unicode collection_ttl: Time-to-live of this List in seconds, defaults to no expiration. :returns: Newly created SyncListInstance :rtype: twilio.rest.sync.v1.service.sync_list.SyncListInstance """

        data = values.of({'UniqueName': unique_name, 'Ttl': ttl, 'CollectionTtl': collection_ttl, })

        payload = self._version.create(
            'POST',
            self._uri,
            data=data,
        )

        return SyncListInstance(self._version, payload, service_sid=self._solution['service_sid'], )