reverse.cs

            List<string> names = new List<string>()
            {
                "Robert",
                "Winston",
                "Leonard",
                "Jesko",
                "Paul",
                "Christian",
                "Ellie",
                "Solveig",
                "Stina",
                "Emilio"
            };


            foreach (var name in names)
            {
                var reversedName = name.Reverse();
                reversedName = string.Join(string.Empty, reversedName);
                Console.WriteLine(reversedName);
            }


            names.ForEach(name => string.Join(string.Empty, name.Reverse()));


            names.ForEach(n => new string(n.Reverse().ToArray()));