oop_task3.py - main - Kotov_Nikolay/netology_python

oop_task3.py
162 строки5 KB
Kotov Nikolay
renamed
02 янв 2026, 19:45
02 янв 2026, 19:45c9060da
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, lector, course, rate):
        if (isinstance(lector, Lecturer) and course in self.courses_in_progress
                and course in lector.courses_attached and 1 <= rate <= 10):
            if course in lector.grades:
                lector.grades[course] += [rate]
            else:
                lector.grades[course] = [rate]
        else:
            return 'Ошибка'

    def median_grade(self):
        if not self.grades:
            return ('0.0')
        all_grades = []
        for grade_list in self.grades.values():
            for grade in grade_list:
                all_grades.append(grade)
        median_grade = sum(all_grades) / len(all_grades)
        return '{:.1f}'.format(median_grade)

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

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

    def __gt__(self, other):
        return self.median_grade() > other.median_grade()


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 __str__(self):
        return (f'Имя: {self.name}\n'
                f'Фамилия: {self.surname}\n'
                f'Средняя оценка за лекции: {self.median_grade()}')

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

    def __gt__(self, other):
        return self.median_grade() > other.median_grade()

    def median_grade(self):
        if not self.grades:
            return ('0.0')
        all_grades = []
        for grade_list in self.grades.values():
            for grade in grade_list:
                all_grades.append(grade)
        median_grade = sum(all_grades) / len(all_grades)
        return '{:.1f}'.format(median_grade)

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):
            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'
                f'Фамилия: {self.surname}')

def
lecturer = Lecturer('Иван', 'Иванов')
lecturer1 = Lecturer('Николай', 'Котов')

reviewer = Reviewer('Пётр', 'Петров')
reviewer1 = Reviewer('Денис', 'Воробьёв')

student = Student('Алёхина', 'Ольга', 'Ж')
student1 = Student('Иван', 'Котов', 'М')
student2 = Student('Максим', 'Котов', 'М')


student.courses_in_progress += ['Python', 'Java']
student1.courses_in_progress += ['Python', 'C++', 'Java']
student2.courses_in_progress += ['C++']

lecturer.courses_attached += ['Python', 'C++']
lecturer1.courses_attached += ['Java']

reviewer.courses_attached += ['Python', 'C++']
reviewer1.courses_attached += ['Java']


student.rate_lecture(lecturer, 'Python', 7)
student.rate_lecture(lecturer1, 'Java', 9)

student1.rate_lecture(lecturer1, 'Java', 10)
student1.rate_lecture(lecturer, 'Python', 8)
student1.rate_lecture(lecturer, 'C++', 7)

student2.rate_lecture(lecturer, 'C++', 8)


reviewer.rate_hw(student, 'Python', 8)
reviewer.rate_hw(student, 'Python', 7)
reviewer.rate_hw(student, 'Python', 9)
reviewer1.rate_hw(student, 'Java', 7)
reviewer1.rate_hw(student, 'Java', 9)
reviewer1.rate_hw(student, 'Java', 10)

reviewer.rate_hw(student1, 'Python', 8)
reviewer.rate_hw(student1, 'Python', 9)
reviewer.rate_hw(student1, 'Python', 11)
reviewer.rate_hw(student1, 'C++', 10)
reviewer.rate_hw(student1, 'C++', 8)
reviewer1.rate_hw(student1, 'Java', 5)
reviewer1.rate_hw(student1, 'Java', 3)
reviewer1.rate_hw(student1, 'Java', 10)

reviewer.rate_hw(student2, 'C++', 10)
reviewer.rate_hw(student2, 'C++', 7)

print(f'Студенты')
print(student)
print(student1)
print(student2)
print()
print(f'Лекторы')
print(lecturer)
print(lecturer1)
print()
print(f'Проверяющие')
print(reviewer)
print(reviewer1)
print()
print(student1 > student2)
print()
print(lecturer < lecturer1)