car.rb

class Car
  attr_reader :color, :owner, :cylinders

  def initialize(color, owner, cylinders)
    @color = color
    @owner = owner
    @cylinders = cylinders
  end

end

dans_car = Car.new('black', 'Dan', 4)
marks_car = Car.new('red', 'Mark', 6)

parked_cars = [dans_car, marks_car]

parked_cars.each do |car|
  puts "#{car.owner} owns the #{car.color} #{car.cylinders}-cylinder"
end