Write a program to which accepts string from user and returns a string in which each character is exactly repeated once.

For example

Input:
Mahesh

Output:
MMaahheesshh

Solution

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace RepetinLetter
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Enter text");
            var str = Console.ReadLine();


            var strBuilder = new StringBuilder();

            foreach (var ch in str)
            {
                strBuilder.Append(ch);
                strBuilder.Append(ch);
            }

            Console.WriteLine(strBuilder.ToString());
            Console.ReadLine();
        }
    }
}