# File lib/indentation/array_mod.rb, line 4
  def append_separator(*separators)
    len = self.length
    ret_array = Array.new
    self.each_with_index do |element, i|
      new_element = element.dup
      unless i == len - 1
        separators.each do |separator|
          new_element << separator 
        end
      end
      ret_array << new_element
    end
    ret_array
  end