class Program
{
    static void Main(string[] args)
    {

        List<Account> users = new List<Account>();
        // you could also (if you want to) do either of the following :
        // string path = "D:\\C#\\myAccounts.txt";
        // string path = "D:/C#/myAccounts.txt";
        string path = @"D:\C#\myAccounts.txt";

        // output all of the information already in the file to the screen so the user can
        // have all of the information about what UN/PW combos have already been entered.
        using (StreamReader sr = new StreamReader(path))
        {
            string line = sr.ReadToEnd();
            Console.WriteLine(line);
        }

        bool willContinue = true;

        do
        {
            // just put these within the scope of this do/while since you are not using them
            // anywhere outside this loop.
            string userName;
            string password;

            /**************************************************************************
            *
            *   If this works correctly, it will output the line :
            *
            *   Enter your username or type "exit" to quit
            *
            *
            **************************************************************************/
            Console.WriteLine(("Enter your username or type 'exit' to quit").ToString());
            // if it doesn't work, comment it out and just use this :
            Console.WriteLine("Enter your username or type 'exit' to quit");

            // gets the user input
            userName = Console.ReadLine();

            // if the user types anything other than "exit", it is a username
            if (userName != "exit")
            {
                Console.WriteLine("Enter your password:");
                password = Console.ReadLine();

                Account account = new Account(userName,password);
                users.Add(account);
            }
            // exit was entered, no more username/password combos to enter
            else
            {
                willContinue = false;
            }
        } while (willContinue);

        // open up a file stream using the StreamWriter class
        // reference : https://msdn.microsoft.com/en-us/library/36b035cb(v=vs.110).aspx
        using (StreamWriter sw = new StreamWriter(path, true))
        {
            // loop through all of the accounts entered and append them to the end of the file
            foreach (Account account in users)
            {
                // output to the console the current username and password being written to the file
                Console.WriteLine(" Username: " + account.userName + " Password: " + account.passWord);

                // write the current username and password to the file, then add an additional space between
                // each set of user name and password combinations.
                sw.WriteLine(" Username: " + account.userName/*.ToString()*/);
                sw.WriteLine(" Password: " + account.passWord/*.ToString()*/ + "\r\n");
            }
        }

        ////////////////////////////////////
        //
        // no idea what this is for??
        //
        ////////////////////////////////////
        Console.ReadLine();
    }
}