How can i add variables to my List by reading the User Input?

Question

Im a Beginner in C#, and would like to add to my List via. reading the Input of the User.

class Program
{
    static void Main(string[] args)
    {
        List<int> list = new List<int>();


        Console.WriteLine("Asking a random Question here");

        // lacking Knowledge here **
         ** = Convert.ToInt16(Console.ReadLine());

        Console.ReadKey();
    }

Answer 1

So for the sake of a detailed example to the question here's a program that will average the numbers listed in standard input, one per line. It shows how to add a given number to the list as well.

    using System;
    using System.Collections.Generic;

    namespace AverageNumbers
    {
        class MainClass
        {
            public static void Main (string[] args)
            {
                // Here is the list of numbers
                List<int> numbers = new List<int>();

                // Here are two variables to keep track
                // of the input number (n), and the sum total (sum)
                int n, sum = 0;
                // This while loop waits for user input and converts
                // that input to an integer
                while (int.TryParse(Console.ReadLine(), out n))
                {
                    // Here we add the entered number to the sum
                    sum += n;
                    // And to the list to track how many we've added       
                    numbers.Add(n);
                }

                // Finally we make sure that we have more than 0 numbers that we're summing and write out their average
                Console.WriteLine("Average: " + (numbers.Count > 0? sum / numbers.Count : 0));
            }
        }
    }