MATRICES

        using System;

        namespace Class1
        {
            internal class Program
            {
                //This is the main static function... this is important,
                ///because it is the core of our program, without it, the program will not work.
                static void Main(string[] args)
                {
                    // MATRICES
                    // Matrices are two-dimensional arrays that store data in rows and columns.

                    int[,] matrix = new int[3, 3]; // We create a 3x3 integer matrix.
                    
                    // Entering data into our matrix
                    for (int i = 0; i < 3; i++) // Rows
                    {
                        for (int j = 0; j < 3; j++) // Columns
                        {
                            Console.Write($"Enter value for position [{i},{j}]: ");
                            matrix[i, j] = int.Parse(Console.ReadLine());
                        }
                    }

                    // Printing stored data:
                    Console.WriteLine();
                    Console.WriteLine("Matrix Data:");
                    Console.WriteLine("------------------");
                    for (int i = 0; i < 3; i++)
                    {
                        for (int j = 0; j < 3; j++)
                        {
                            Console.Write(matrix[i, j] + "\t"); // Print values in matrix format
                        }
                        Console.WriteLine(); // New line after each row
                    }
                    Console.WriteLine("------------------");
                    Console.ReadKey();
                }
            }
        }