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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 add_hs_service(self, info, address):
 """Add a new device to discovered list."""

        if self.protocol and self.protocol != PROTOCOL_DMAP:
            return

        name = info.properties[b'Name'].decode('utf-8')
        hsgid = info.properties[b'hG'].decode('utf-8')
        self._handle_service(
            address, name, conf.DmapService(hsgid, port=info.port))