third_task.py - master - RecentFellowKid/OOP

third_task.py
139 строк4 KB
RecentFellowKid
Third task
11 авг 2025, 02:15
11 авг 2025, 02:156750e69
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 rate_lecturer(self, lecturer, course, grade):
        if isinstance(lecturer, Lecturer) and \
                course in self.courses_in_progress and \
                course in lecturer.courses_attached and \
                1 <= grade <= 10:
            lecturer.grades.setdefault(course, []).append(grade)
        else:
            return 'Ошибка'

    def average_grade(self):
        all_grades = sum(self.grades.values(), [])
        return round(sum(all_grades) / len(all_grades), 1) if all_grades else 0

    def __lt__(self, other):
        if not isinstance(other, Student):
            return NotImplemented
        return self.average_grade() < other.average_grade()

    def __eq__(self, other):
        if not isinstance(other, Student):
            return NotImplemented
        return self.average_grade() == other.average_grade()

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


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(self.grades.values(), [])
        return round(sum(all_grades) / len(all_grades), 1) if all_grades else 0

    def __lt__(self, other):
        if not isinstance(other, Lecturer):
            return NotImplemented
        return self.average_grade() < other.average_grade()

    def __eq__(self, other):
        if not isinstance(other, Lecturer):
            return NotImplemented
        return self.average_grade() == other.average_grade()

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

class Reviewer(Mentor):
    def __init__(self, name, surname):
        super().__init__(name, 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 and \
                1 <= grade <= 10:
            student.grades.setdefault(course, []).append(grade)
        else:
            return 'Ошибка'

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


student1 = Student('Иван', 'Иванов', 'M')
student1.courses_in_progress += ['Python']
student1.finished_courses += ['Введение в программирование']

student2 = Student('Пётр', 'Петров', 'M')
student2.courses_in_progress += ['Python']

lecturer1 = Lecturer('Сергей', 'Сергеев')
lecturer1.courses_attached += ['Python']

lecturer2 = Lecturer('Андрей', 'Андреев')
lecturer2.courses_attached += ['Python']

reviewer = Reviewer('Константин', 'Константинов')
reviewer.courses_attached += ['Python']

reviewer.rate_hw(student1, 'Python', 9)
reviewer.rate_hw(student1, 'Python', 10)
reviewer.rate_hw(student2, 'Python', 6)
reviewer.rate_hw(student2, 'Python', 7)

student1.rate_lecturer(lecturer1, 'Python', 8)
student1.rate_lecturer(lecturer1, 'Python', 9)
student2.rate_lecturer(lecturer2, 'Python', 6)
student2.rate_lecturer(lecturer2, 'Python', 7)

# Вывод
print("Студенты:")
print(student1, end="\n\n")
print(student2, end="\n\n")

print("Лекторы:")
print(lecturer1, end="\n\n")
print(lecturer2, end="\n\n")

print("Эксперты:")
print(reviewer, end="\n\n")

print("Сравнение студентов:", student1 > student2)
print("Сравнение лекторов:", lecturer1 > lecturer2)