class Greeding
  @@text = nil
  class << s= "hello world"
puts Greeding
  @@text = nil
  class << self
    def text=(word)
      @@text = word
    end
  end

  def text
    @@text = word
    end
  end

  def text
    @@text = word
    end
  end

  def text
    @@text
  end
end

Greeding.text=
puts Greeding.new.text
