presents as a single responsibility class

presents.rb

require "json"

class Presents < Struct.new(:ary)
  def as_text
  	ary.each do |line|
  		puts line
  	end
  end

  def as_json
  	JSON.generate(ary)
  end

  def as_html
  	htm = "<ul>\n"
	ary.each do |line|
	  htm += "	<li> #{line} </li> \n"
	end
	htm = htm += "</ul>"
	htm
  end
end