string mwafi = "ahmed";

            Console.WriteLine("	The letters are arranged corrected");
            for (int i = 0; i < mwafi.Length; i++)
            {
                Console.WriteLine(mwafi[i]);
                
            }
            Console.WriteLine("\n");

            Console.WriteLine("	Characters arranged in inverse");

            for (int k = mwafi.Length - 1; k >= 0; k--)
            {
                Console.WriteLine(mwafi[k]);
            }

            Console.WriteLine("\n");

            Console.WriteLine("The numbers ofletters");
            Console.WriteLine(mwafi.Length);


            Console.WriteLine("\n");
            Console.WriteLine("\n");