static void Main()
{
var book = new Book("Grade Book");
book.GradeAdded += OnGradeAdded;
while (true)
{
Console.WriteLine("Please Enter Grade Input\nPress q to quit:");
var input = Console.ReadLine();
if (input.Equals("q") || input.Equals("Q"))
{
break;
}
try
{
var grade = double.Parse(input);
book.AddGrade(grade);
}
catch (ArgumentException ex)
{
System.Console.WriteLine(ex.Message);
}
catch (FormatException ex)
{
System.Console.WriteLine(ex.Message);
}
}
var stats = book.GetStatistics();
var letter = book.ComputeLetter(stats.Average);
System.Console.WriteLine($"The name of the gradebook is: {book.Name}");
System.Console.WriteLine($"The average grade is: {stats.Average:N1}\nThe max grade is: {stats.High}\nThe min grade is: {stats.Low} and the letter grade is: {letter}");
}
