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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 is_ssl(self):
 """ Read-only boolean property indicating whether SSL is used for this connection. If this property is true, then all communication between this object and the Couchbase cluster is encrypted using SSL. See :meth:`__init__` for more information on connection options. """

        mode = self._cntl(op=_LCB.LCB_CNTL_SSL_MODE, value_type='int')
        return mode & _LCB.LCB_SSL_ENABLED != 0