an example for a blog post - comments on what

whatcomments1.cs

public static void Main()
{
    // get account details
    var accountId = "1234";
    var name = "Grant";
    var balance = 100m;
    var secretAnswer = "42";
    
    // validate the user in secretive fashion
    var answer = "";
    while (answer != secretAnswer)
    {
        // get the user's input
        Console.Write("Provide your secret answer before continuing: ");
        answer = Console.ReadLine();

        // if the secret is invalid, yell at them
        if (answer != secretAnswer)
            Console.WriteLine("\nWRONG!!!");
    }

    // determine the type of transaction
    var action = "";
    while (action != "D" && action != "W")
    {
        // get the user's action
        Console.Write($"Hello {name}, [W]ithdrawal or [D]eposit? ");
        action = Console.ReadLine();
        
        // if the action is invalid, tell them and try again
        if (action != "D" && action != "W")
            Console.WriteLine("\nInvalid option!");
    }		
    
    // determine the amount of the transaction
    var amount = 0;
    while (amount <= 0)
    {
        // get the user's amount
        Console.Write($"How much is this transaction for? (You have ${balance}) ");
        
        // if the amount is invalid, try again
        if (!Int32.TryParse(Console.ReadLine(), out amount) || amount <= 0)
            Console.WriteLine("\nInvalid amount!");
    }
    
    // inform user that the action was recorded
    Console.WriteLine($"\nThanks {name}, we recorded your {(action == "D" ? "deposit" : "withdrawal")} of ${amount}.");
    
    // inform user of the new account balance
    Console.WriteLine($"For your records, you now have ${(balance + (action == "D" ? amount : -amount))} in your account.");
}