C#

// Author: [Nikhil Gurung]
// SID: [1415536]
// Edited: [01/11/2014]
using System;

namespace Car_Parking
{
    class Program
    {
        static void Main(string[] args)
        {
            string name;

            Console.WriteLine("Valvet Parking");

            Console.WriteLine("Please enter Name");
            name = Console.ReadLine();
            Console.WriteLine("{0} has been stored", name);
            Console.WriteLine("Enter the License plate Number");
            Console.WriteLine("");
            LicenseplateNumber = Console.ReadLine();
            int num1, num2, result;
            Console.WriteLine("PLease enter how many cars");

            num1 = Int32.Parse(Console.ReadLine());
            int
            Totalspace = 10;
            Console.WriteLine("Total space");
            num2 = Int32.Parse(Console.ReadLine());
            result = num2 -num1;
            Console.WriteLine("Sub {0} and {1} is {2}", num2, num1, result);
            Console.WriteLine("{0} space is left", result);
            Console.ReadLine();
            {

            }


        }

        public static string LicenseplateNumber { get; set; }
    }
}

shima541 wrote:

how can i do it?

Bastard Programmer from Hell
If you can't read my code, try converting it here[^]

string s = "aaaabcc";
s = s.Replace("a","#").Replace("c","a").Replace("#","c");