def convert(valueToConvert, firstUnit, secondUnit)
      		@api = Api::Api.new
    		@api.convert_currency(valueToConvert, firstUnit, secondUnit)
		end
def convert(valueToConvert, firstUnit, secondUnit)
      		@api = Api::Api.new
    		@api.convert_currency(valueToConvert, firstUnit, secondUnit)
		end
subscrible of metod convert in adapter