using System;

public class Program

{

    public static void Main()

    {

        //Q1

        string blab = "new string";

        char blab2 = blab[5];

        Console.WriteLine("Q1- the 5th character in the string is: " + blab2);

        //Q2: Replacing all occurances of no with yes

        Console.WriteLine("\nQ2- enter string:");

        string UserString= Console.ReadLine();

        if (UserString == "no")

        {

            Console.WriteLine("yes");

        }

        else

        {

            Console.WriteLine(UserString);

        }

        //Q3: comparing two strings from user- output "equal" or "not equal" IGNORING LEADING & SPACES AND CASE

        Console.WriteLine("\nQ3- enter string:");

        string A= Console.ReadLine();

        string ATrimmed=(A.Trim());

        Console.WriteLine("\nQ3- enter string:");

        string B= Console.ReadLine();

        string BTrimmed= (B.Trim());

        bool stringComparison = String.Equals(ATrimmed, BTrimmed,StringComparison.OrdinalIgnoreCase);

        if (stringComparison == true)

        {

            Console.WriteLine("\nequal");

        }

        else

        {

            Console.WriteLine("\nnot equal");

        }

​

​

    }

}