# DOESN WORK @stack is Nil in Ticket
module Stack
  @stack = []
  def adds(obj)
    @stack.push(obj)
    puts @stack
  end
end

# Works, @stack is accessed
class Ticket
    def initialize
       include Stack
    end
    def addticket(object)
      adds(object)
    end
end

  ticket = Ticket.new
#  ticket.addticket('ticket1')