static void Main(string[] args)
{
SpeechSynthesizer synth = new SpeechSynthesizer();
synth.Speak("hello! This is a grade book program");
Gradebook book = new Gradebook();
book.AddGrade(91);
book.AddGrade(89.5f);
book.AddGrade(75);
Gradestatistics stats = book.ComputeStatistics();
synth.Speak("The average grade in the grade book was");
WriteResult("Average", stats.AverageGrade);
synth.Speak("The Highest overall grade was");
WriteResult("Highest", stats.HighestGrade);
synth.Speak("The lowest overall grade was");
WriteResult("Lowest", stats.LowestGrade);
synth.Speak("Please press any key to continue, Thank you");
Console.WriteLine("the rain falls during storms");
Gradebook book2 = new Gradebook();
book2.AddGrade(18);
book2.AddGrade(78);
Gradestatistics info = book2.ComputeStatistics();
}
public Gradestatistics ComputeStatistics()
{
Gradestatistics stats = new Gradestatistics();
float sum = 0;
foreach (float grade in grades)
{
stats.HighestGrade = Math.Max(grade, stats.HighestGrade);
stats.LowestGrade = Math.Min(grade, stats.LowestGrade);
sum = sum + grade;
}
stats.AverageGrade = sum / grades.Count;
return(stats);
}