Can we difined nasted function ?

See more:

C#

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

namespace ConsoleExample
{
    class Example
    {
        public void a()
        {
            public void b()
        {
            public void c()
        {
            Console.WriteLine("abc");
        }
    }
    static void Main(string[] args)
    {
    Example obj = new Example();
    obj.a();  
     }
   
}

What I have tried:

what is the Output if i defined a class and inside of the class i defined a method a() . Inside a() i defined one more method naming as b(). and inside b() i defined one more method c(). and inside of c() i took one statement...so that if i created instance of the class and called method a();then what is the output will come