public List <Assignment> SetListAnalytic(List <Assignment> assignments)
{
List <Course> courses = new CourseService().GetList();
List <Student> students = new StudentService().GetList();
new Enroll().SetEnrollment(courses, students);
List <Trainer> trainers = new TrainerService().SetList();
new Courses_Trainers().SetCrs_Tr(courses, trainers);
new Course_Assignment().GetCourse_Assignment(courses, assignments);
return(assignments);
}