955. [코드리뷰] 객실 예약

def reserve_room(db, room_id, date):
    count = db.query(Booking).filter_by(room_id=room_id, date=date).count()
    if count == 0:
        db.add(Booking(room_id=room_id, date=date))
        db.commit()
        return True
    return False