code: async def stations(self, city: str, state: str, country: str) -> list:
          
          data = await self._request(
              'get',
              'stations',
              params={
                  'city': city,
                  'state': state,
                  'country': country
              })
          return [station for station in data['data']]
docs: Return a list of supported stations in a city.