static void Main(string[] args) { Console.WriteLine("What is the teacher's name for this grade book?"); var teacherName = Console.ReadLine(); Console.WriteLine("What is the student's name for whom grades will be recorded:"); var studentName = Console.ReadLine(); Console.WriteLine("For which academic subject are the grades to be entered?"); var subjectMatter = Console.ReadLine(); var book = new Book(teacherName, studentName, subjectMatter); while (true) { Console.WriteLine("Enter student grade or 'q' to quit."); var grade = Console.ReadLine(); if (grade == "q") { break; } book.AddGrade(double.Parse(grade)); } book.ListGrades(); book.PrintStats(book); Book.Description(); }