task3.py - master - ksm44/hw_python

task3.py
161 строка6 KB
Sergey Vershinin
Add files with solving of home works
17 май 2026, 23:28
17 май 2026, 23:28b84738e
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):
        dic = self.grades
        avg = 0
        total_grades_sum = 0
        total_grades_count = 0
        for course, grades in dic.items():
            total_grades_sum += sum(grades)
            total_grades_count += len(grades)
        if total_grades_count != 0:
             avg += round( total_grades_sum / total_grades_count, 1 )
        else:
             avg = 'Оценок нет'

        current_courses = ', '.join(self.courses_in_progress)

        oneline_current_courses = ', '.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_courses} \n' +
                f'Завершенные курсы: {oneline_current_courses} \n')

    def rate_lecture(self, lecturer, course, grade):
        if isinstance(lecturer, Lecturer) and course in lecturer.courses_attached and (course in self.courses_in_progress or course in self.finished_courses) and grade in range(1,11):
            if course in lecturer.grades:
                lecturer.grades[course] += [grade]
            else:
                lecturer.grades[course] = [grade]
            return None
        else:
            return 'Ошибка'

class Mentor:
    def __init__(self, name, surname):
        self.name = name
        self.surname = surname
        self.courses_attached = []

#лекторы
class Lecturer(Mentor):
    def __init__(self, name, surname):
        super().__init__(name, surname)
        self.grades = {}
        self.courses_attached = []

    def avg_rate(self):
        dic = self.grades
        avg = 0
        total_grades_sum = 0
        total_grades_count = 0
        for course, grades in dic.items():
            total_grades_sum += sum(grades)
            total_grades_count += len(grades)
        if total_grades_count != 0:
            return round(total_grades_sum / total_grades_count, 1)
        else:
            return 'Оценок нет'

    def __str__(self):
        avg = self.avg_rate()

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

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

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

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

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

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

    def rate_hw(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'


lecturer = Lecturer('Иван', 'Иванов')
bad_lecturer = Lecturer('Плохих', 'Валерий')
some_reviewer = Reviewer('Some', 'Buddy')
student = Student('Алёхина', 'Ольга', 'Ж')

student.courses_in_progress += ['Python', 'Java' , 'Введение в программирование']
student.finished_courses += ['Математический анализ']
lecturer.courses_attached += ['Python', 'Java' , 'Введение в программирование']
bad_lecturer.courses_attached += ['Python', 'Java' , 'Введение в программирование']
some_reviewer.courses_attached += ['Python', 'Java' , 'Введение в программирование']


some_reviewer.rate_hw(student,'Python',10)
some_reviewer.rate_hw(student,'Python',9)
some_reviewer.rate_hw(student,'Java',8)
some_reviewer.rate_hw(student,'Введение в программирование',7)

student.rate_lecture(bad_lecturer, 'Введение в программирование', 1)
student.rate_lecture(bad_lecturer, 'Введение в программирование', 1)
student.rate_lecture(bad_lecturer, 'Введение в программирование', 1)


student.rate_lecture(lecturer, 'Введение в программирование', 10)


student.rate_lecture(lecturer, 'Введение в программирование', 10)
student.rate_lecture(lecturer, 'Введение в программирование', 10)
student.rate_lecture(lecturer, 'Введение в программирование', 10)

student.rate_lecture(lecturer, 'Java', 1)
student.rate_lecture(lecturer, 'Java', 2)
student.rate_lecture(lecturer, 'Java', 3)

student.rate_lecture(lecturer, 'Python', 7)
student.rate_lecture(lecturer, 'Python', 8)
student.rate_lecture(lecturer, 'Python', 9)
student.rate_lecture(lecturer, 'Python', 9)

#Имя: Some
#Фамилия: Buddy
print(some_reviewer)

#Имя: Some
#Фамилия: Buddy
#Средняя оценка за лекции: 9.9
print(lecturer)


#Имя: Ruoy
#Фамилия: Eman
#Средняя оценка за домашние задания: 9.9
#Курсы в процессе изучения: Python, Git
#Завершенные курсы: Введение в программирование
print(student)

#сравнение лекторов через магические методы
print( lecturer == bad_lecturer)
print( lecturer > bad_lecturer)
print( lecturer < bad_lecturer)