code: def create_zones(self, add_zones):
          
          for zone, zname in add_zones.items():
              # Name either set explicitly or name of Main Zone with suffix
              zonename = "{} {}".format(self._name, zone) if (
                  zname is None) else zname
              zone_inst = DenonAVRZones(self, zone, zonename)
              self._zones[zone] = zone_inst
docs: Create instances of additional zones for the receiver.