Help me in solving CSB095 problem

help
,
1

My issue

a++ means ??

My code

//Replace the _ with the correct value

using System;

namespace MyApplication
{
    class Program
    {
        static void Main(string[] args)
        {
            int a = 0;
            while(a < 7)
            {
                Console.WriteLine(a);
                a++;
            }
        }
    }
}

Learning course: Learn C#
Problem Link: CodeChef: Practical coding for everyone

2

a++ increments the value of variable a by 1 and returns the new value