module Battery

	class Model1

	def battery_type(x = "1h" )
		x
	end

	def battery_hours
		@standard
	end

	def battery
		y = 1
		y
	end

	class Charger
		def initialize
		 	@charge = "500h"
		end

		def lifetime
			@charge
		end

end

end

end

class Phone
	include Battery

	def initialize
		@standard = '5 hours'
	end

#samsung = Phone.new
#puts samsung.battery_type
#puts samsung.battery_hours
#puts Battery:Battery::Charger.new.lifetime

battery1 = Battery::Model1.new
puts "aaaa",battery1.battery_hours

samsung = Phone.new
puts "bbbb",samsung::Battery::Model1.battery_hours

end