Pastable version of Good way to output menu with submenu through a module?!

<pre class='prettyprint' language='ruby'>module Menus
  
 def self.getValidPositiveNumber
		input = gets.chomp
		
		while (input.to_i.to_s != input &amp;&amp; input.to_f.to_s != input) do	
			puts &quot;Ogiltig data. FÃ¶rsÃ¶k igen.&quot;
			input = gets.chomp
		end
		
		# Ã„r talet stÃ¶rre Ã¤n 0?
		number = input.to_f
		if (number &lt;= 0)
			puts &quot;Du kan inte ange negativt vÃ¤rde.&quot;
			getValidPositiveNumber
		end
		return number
	end
	
	def self.get_valid_input(valid_options)
		
		input = gets.chomp

# loopa tills ett giltigt vÃ¤rde angetts
		while (!valid_options.include?(input) &amp;&amp; !valid_options.include?(input.to_i))	
			# bÃ¥de Range och Array har include?
			puts &quot;Ogiltigt vÃ¤rde. Skriv in ett nytt alternativ mellan &quot; + valid_options.inspect
			input = gets.chomp
		end
		return input
	
	end
	
	
	class Menu
	
		attr_reader  :valid_options_range, :menu_string
	 
		def initialize(valid_options_range, menu_string)
			@valid_options_range = valid_options_range
			@menu_string = menu_string
		end

def do_menu_action(action)
			raise &quot;MÃ¥ste anropas i nÃ¥gon subklass!&quot;
		end
		
	
		def to_s
			return @menu_string
		end
	end

MAIN_MENU = &lt;&lt;END 
&quot;---------------------------&quot; 
  Welcome to Ruby Camping!
      Menu
1. Checkin
2. Checkout
3. Lists
4. Economy
5. Exit

What do you want to do?
&quot;---------------------------&quot;
END

#if choice &gt;= menu_options.length or choice &lt; 0
 #puts &quot;Invalid choice&quot;

def make_menu_choice(choice)

case choice
        when 1:
          $camping.check_in
        when 2:
           $camping.check_out
        when 3:
          $current_menu = LISTS_MENU
        when 4:
          $current_menu = ECONOMY_MENU
        when 5:
          exit
       end
    end

LISTS_MENU = &lt;&lt;END
&quot;---------------------------&quot;   
-- 1. List current guests --
-- 2. List all guests --
--                          --
-- 0. Back to Main menu      --
------------------------------&quot;
END

def make_menu_choice(choice) 
   case choice
        when 1:
          $camping
        when 2:
          $camping.all_guests
        when 0:
          $current_menu = MAIN_MENU
       end
    end

ECONOMY_MENU = &lt;&lt;END
 &quot;---------------------------&quot;   
 -- 1. List current guests --
 -- 2. List all guests --
 --                          --
 -- 0. Back to Main menu      --
 ------------------------------&quot;
END

end

puts Menus::MAIN_MENU 
if Menus == 3 then LISTS_MENU = Lists_Menu.new 
elsif Menus == 4 then ECONOMY_MENU = Economy_Menu.new
end
__END__</pre>
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Pastable version of Good way to output menu with submenu through a module?!