from typing import Dict, Optional from metar.Datatypes import position class station: id: str name: str city: Optional[str] state: Optional[str] country: Optional[str] position: position def __init__( self, id: str, city: Optional[str] = None, state: Optional[str] = None, country: Optional[str] = None, latitude: Optional[str] = None, longitude: Optional[str] = None, ): ... stations: Dict[str, station]