Class Task 57#

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

namespace ConsoleApplication1
{
    class Program
    {
        static string Fix(string st)
        {
            while (st.LastIndexOf("  ") != -1)
            {
                st = st.Replace("  ", " ");
            }
            return st;
        }
        static void Main(string[] args)
        {
            string st = "Hello    world    how    are    you?";
            Console.WriteLine(Fix(st));
            Console.ReadKey();
        }
    }
}