python123.py - master - MaratPetr/homework

python123.py
69 строк3 KB
MaratPetr
дз по классам
21 апр 2025, 12:43
21 апр 2025, 12:4306be5ec
class Student:
    def init(self, name, surname, gender):
        self.name = name
        self.surname = surname
        self.gender = gender
        self.finished_courses = []
        self.courses_in_progress = []
        self.grades = {}

    def __str__(self):
        avg = self.average_grade()
        return (f"Имя: {self.name}\nФамилия: {self.surname}\n"
            f"Средняя оценка за дз: {avg}\n"
            f"Курсы в процессе изучения: {', '.join(self.courses_in_progress)}\n"
            f"Завершенные курсы: {', '.join(self.finished_courses)}")

    def average_grade(self):
        all_grades = sum([sum(g) for g in self.grades.values()], 0)
        count = sum([len(g) for g in self.grades.values()])
        return round(all_grades / count, 2) if count else 0

    def __lt__(self, other):  # сравнение студентов по средней оценке
        if not isinstance(other, Student):
            return NotImplemented
        return self.average_grade() < other.average_grade()

    def rate_hs(self, lector, course, grade):
        if isinstance(lector, Lecturer) and course in self.courses_in_progress and course in lector.courses_attached:
            lector.grades.setdefault(course, []).append(grade)
        else:
            return 'Ошибка'
class Mentor:
    def init(self, name, surname):
        self.name = name
        self.surname = surname
        self.courses_attached = []

class Lecturer(Mentor):
    def init(self, name, surname):
        super().init(name, surname)
        self.grades = {}

    def average_grade(self):
        all_grades = sum([sum(g) for g in self.grades.values()], 0)
        count = sum([len(g) for g in self.grades.values()])
        return round(all_grades / count, 2) if count else 0

    def __str__(self):
        avg = self.average_grade()
        return f"Имя: {self.name}\nФамилия: {self.surname}\nСредняя оценка за лекции: {avg}"

    def __lt__(self, other):  # сравнение лекторов
        if not isinstance(other, Lecturer):
            return NotImplemented
        return self.average_grade() < other.average_grade()
class Reviewer(Mentor):
    def init(self, name, surname):
        super().init(name, surname)

    def __str__(self):
        return f"Имя: {self.name}\nФамилия: {self.surname}"

    def rate_hw(self, student, course, grade):
        if isinstance(student, Student) and course in self.courses_attached and course in student.courses_in_progress:
            student.grades.setdefault(course, []).append(grade)
        else:
            return 'Ошибка'

# homework