Solution to quick Cards challenge (object-oriented design reading_

cards.rb

class Card
  attr_reader :rank, :suit
  
  def initialize(rank=nil, suit = nil)
    if suit.nil?
      @suit = ['♠', '♣', '♥', '♦'].sample
    else
      @suit = suit
    end

    if rank.nil?
    	face_cards = ["J", "Q", "K", "A"]
    	all_cards = (1..10).to_a
    	face_cards.each {|card| all_cards << card} 
    	@rank = all_cards.sample
    else
    	@rank = rank
    end
    puts "Create a new card: #{@rank} of #{@suit}"
  end
end

5.times { Card.new }