ParkingLot/ParkingLot/Parking Lot/Row.cs

using System.Collections.Generic;

namespace ParkingLot
{
    public class Row
    {
        private List<Space> spaces;

        public List<Space> Spaces
        {
            get { return spaces; }
            set { spaces = value; }
        }

        public Row()
        {
            SetDefaults();
        }

        public void SetDefaults()
        {
            Spaces = new List<Space>();
        }
    }
}