public void ListOfNumbersUpToThree()
        {
            //arrange
            int           userint  = 3;
            PingPongClass example  = new PingPongClass(userint);
            List <string> userlist = example.getOutput();

            //act
            List <string> testlist = new List <string> {
                "1", "2", "ping"
            };

            //assert
            Assert.Equal(testlist, userlist);
        }
        public PingPong()
        {
            Get["/"] = _ =>
            {
                return(View["index.cshtml"]);
            };

            Post["/printout"] = _ =>
            {
                var           input      = Request.Form["inputNumber"];
                PingPongClass pingObject = new PingPongClass(input);
                // pingObject.PingPonger(input);
                List <string> newString = pingObject.getOutput();
                return(View["printout.cshtml", newString]);
            };
        }