gistfile1.rb

class ParkingLot
  def initialize(spaces)
    # How do I access these on the instance?
    @spaces = spaces
    @cars = Array.new
  end

  def park(car)
    if @cars.length < @spaces
      @cars.push(car)
    else
      puts 'Lot Full'
    end
  end
end

class Car
  def initialize(year, make, model)
    @year = year
    @make = make
    @model = model
  end
end

lot = ParkingLot.new 2
lot.park(Car.new 2004, "Audi", "Quattro")
# This doesn't find @cars ... I get NoMethodError
puts lot.cars
lot.park(Car.new 1982, "VW", "Beetle")
puts lot.cars
lot.park(Car.new 2013, "Tesla", "S")
puts lot.cars