OOP_DS3.py - main - Argentovsky/Python_OOP

OOP_DS3.py
114 строк4 KB
Argentovskii
Домашние задание 3
23 июн 2025, 17:32
23 июн 2025, 17:322444a1c
from functools import total_ordering


@total_ordering
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_lecture(self, lecture, course, grade):
        if isinstance(lecture, Lecturer) and course in self.courses_in_progress and course in lecture.courses_attached:
            if course in lecture.grades:
                lecture.grades[course] += [grade]
            else:
                lecture.grades[course] = [grade]

        else:
            return 'Ошибка'

    def __str__(self):
        sum_rate=[]
        for i in self.grades.values():
            sum_rate.append(sum(i)/len(i))
        self.average_rate=int(sum(sum_rate)/len(sum_rate))
        return f' Имя: {self.name} \n Фамилия: {self.surname} \n Средняя оценка: {self.average_rate} \n Курсы В процессе изучения: {self.courses_in_progress}\n Завершенные курсы: {self.finished_courses}'

    def __lt__(self, other):
        return self.average_rate < other.average_rate

    def __eq__(self, other):
        return self.average_rate == other.average_rate

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 __lt__(self, other):
        return self.average_rate < other.average_rate

    def __eq__(self, other):
        return self.average_rate == other.average_rate

    def __str__(self):
        sum_rate=[]
        for i in self.grades.values():
            sum_rate.append(sum(i)/len(i))
        self.average_rate=int(sum(sum_rate)/len(sum_rate))
        return f' Имя: {self.name} \n Фамилия: {self.surname} \n Средняя оценка: {self.average_rate} \n'




class Reviewer(Mentor):
    def __init__(self, name, surname):
        super().__init__(name, surname)

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

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

lecturer = Lecturer('Иван', 'Иванов')
lecturer2 = Lecturer('Дмитрий', 'Николаевич')
reviewer = Reviewer('Пётр', 'Петров')
student = Student('Алёхина', 'Ольга', 'Ж')

student.courses_in_progress += ['Python', 'Java', 'C++']
student.finished_courses+=['Введение в программирование']
lecturer.courses_attached += ['Python', 'C++']
lecturer2.courses_attached += ['Python', 'Введение в программирование']
reviewer.courses_attached += ['Python', 'C++']

student.rate_lecture(lecturer, 'Python', 7)  # None
student.rate_lecture(lecturer, 'Python', 6)
student.rate_lecture(lecturer, 'Python', 9)
student.rate_lecture(lecturer, 'C++', 4)
student.rate_lecture(lecturer, 'C++', 8)
student.rate_lecture(lecturer, 'Java', 8)  # Ошибка
student.rate_lecture(lecturer, 'С++', 8)  # Ошибка
student.rate_lecture(reviewer, 'Python', 6)  # Ошибка
reviewer.rate_student(student, 'Python', 9)  # None
reviewer.rate_student(student, 'Python', 7)  # None
student.rate_lecture(lecturer2, 'Python', 10)
student.rate_lecture(lecturer2, 'Введение в программирование', 10)

some_reviewer=str(reviewer)
some_lecturer=str(lecturer)
some_lecturer2=str(lecturer2)
some_student=str(student)

print(some_reviewer)
print(some_lecturer)
print(some_lecturer2)
print(some_student)

print(lecturer<lecturer2)