static void Main(string[] args)
{
Console.WriteLine("Welcome to the Simple Calculator Program");
Calculator calculator = new Calculator();
var isValid = true;
string answer;
while (isValid == true)
{
calculator.AskForNumbers();
calculator.CalculateAverage();
AskToContinue();
}
void AskToContinue()
{
var askToContinue = true;
while (askToContinue == true)
{
Console.WriteLine("Would you like to continue? (Y)es or (N)o: ");
answer = Console.ReadLine();
if (answer == "yes" || answer == "y")
{
Console.Clear();
askToContinue = false;
isValid = true;
}
else if (answer == "no" || answer == "n")
{
isValid = false;
askToContinue = false;
}
else
{
Console.WriteLine("You must enter yes or no...");
askToContinue = true;
}
}
}
}