static void Main(string[] args)
{
SpeechSynthesizer synth = new SpeechSynthesizer();
//synth.Speak("Hello");
GradeBook book = new GradeBook();
book.AddGrade(91);
book.AddGrade(89.5f);
GradeBook book2 = book;
book2.AddGrade(75);
book.NameChanged += new NameChangedDelegate(OnNameChanged);
book.NameChanged += new NameChangedDelegate(OnNameChanged2);
book.name = "Chris' grades";
foreach (var aGrade in book.GetGrades())
{
Console.WriteLine(aGrade);
}
Console.WriteLine("");
GradeStatistics stats = new GradeStatistics(book);
stats.ComputeStatistics();
Console.WriteLine(book.name);
Console.WriteLine($"Average: {stats.GetAverageGrade()}");
Console.WriteLine($"Highest: {stats.GetHighestGrade()}");
Console.WriteLine($"Lowest: {stats.GetLowestGrade()}");
}
