private bool CheckForStudent(Student student, Course course)
 {
     bool isStudentInCourse = false;
     Dictionary<uint, Student> students = course.ViewStudents();
     if (students.ContainsKey(student.Id)) 
     {
         isStudentInCourse = students[student.Id].Name == student.Name;
     }
     return isStudentInCourse;
 }
        private static bool CompareStudents(Course course, Course cloneCourse)
        {
            bool isEqual = true;

            foreach (var student in course.ViewStudents())
            {
                if (!cloneCourse.ViewStudents().ContainsKey(student.Key))
                {
                    isEqual = false;
                    break;
                }
            }
            return isEqual;
        }