from dataclasses import dataclass, field
from typing import Optional

@dataclass
class Ride:
    ride_id: Optional[int] = field(default=None)
    rideable_type: str = ''
    start_station_id: int = 0
    start_station_name: str = ''
    end_station_id: int = 0
    end_station_name: str = ''
    started_at: str = ''
    ended_at: str = ''
    member_casual: str = ''