/**
     * function name : printBoard
     * @param board
     * Inside the function
     *      - Print the board
     * 
     */
    public static void printBoard(char[][] board){
       
        for(int row =0; row<board.length; row++){
            System.out.println("\t"); // add a tab of space before each row
            for(int col=0; col<board[row].length; col++){
                System.out.print(board[row][col] + " "); 
            }
            System.out.println();
        }
    }