random_shuffle.rb

# Destructive method

list_of_items = %w(a b c d e f g h i j k l m n o p q r s t u v w x y z)

def shuffle(list_of_items)
  randomly_ordered_list = []

  until list_of_items.length == 0
    random_number = rand(list_of_items.length)
    removed_item = list_of_items.slice!(random_number)
    randomly_ordered_list << removed_item
  end

  p randomly_ordered_list
end

shuffle(list_of_items)