def show_average_of_grades(): ''' Prepares data to display in a formatted table. ''' data = Submission.get_students_average_grades(Submission.submission_list) average_grades = Submission.get_name_by_id(data, Student.student_list) title = 'Students average grades' title_list = ['Id', 'Name', 'Surname', 'Average of grades'] table = Ui.create_average_grades_table_to_print(average_grades) Ui.print_table(table, title, title_list)