public void AssignExercise(Student student, Exercise exercise)
{
student.Exercises.Add(exercise);
}
//public List<Exercise> AssignedExercises { get; set; } = new List<Exercise>();
//Method that accepts a student and an exercise to the student's list of assigned exercises
public void AssignExercise(Student assignedStudent, Exercise exerciseToAssign)
{
assignedStudent.AssignedExercises.Add(exerciseToAssign);
exerciseToAssign.assignedStudents.Add(assignedStudent);
}