3.py - master - netogithubik/Neto_OOP

3.py
114 строк3 KB
rskuro
rewrote the get_average_grade function using list comprehension and brought it out as a separate function
27 янв 2026, 19:44
27 янв 2026, 19:44a1f3610
def get_average_grade(student_or_lecturer):
    average_list = [grade for key in student_or_lecturer.grades for grade in student_or_lecturer.grades[key]]
    if len(average_list) > 0:
        return sum(average_list) / len(average_list)
    else:
        return 0


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 get_average_grade(self):
        return get_average_grade(self)

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

    def __gt__(self, other):
        if isinstance(other, Student):
            self_g = self.get_average_grade()
            other_g = other.get_average_grade()
            return self_g > other_g
        else:
            return NotImplemented

    def __eq__(self, other):
        if isinstance(other, Student):
            self_g = self.get_average_grade()
            other_g = other.get_average_grade()
            return self_g == other_g

    def rate_lecture(self, lecturer, course_name, rate):
        if (
            isinstance(lecturer, Lecturer)
            and course_name in lecturer.courses_attached
            and rate > 0
            and rate <= 10
            and course_name in self.courses_in_progress
        ):
            if course_name in lecturer.grades:
                lecturer.grades[course_name] += [rate]
            else:
                lecturer.grades[course_name] = [rate]
        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 get_average_grade(self):
        return get_average_grade(self)

    def __str__(self):
        return f"""Имя: {self.name}
Фамилия: {self.surname}
Средняя оценка за лекции: {self.get_average_grade()}"""

    def __gt__(self, other):
        if isinstance(other, Lecturer):
            self_g = self.get_average_grade()
            other_g = other.get_average_grade()
            return self_g > other_g
        else:
            return NotImplemented

    def __eq__(self, other):
        if isinstance(other, Lecturer):
            self_g = self.get_average_grade()
            other_g = other.get_average_grade()
            return self_g == other_g


class Reviewer(Mentor):
    def __str__(self):
        return f"""Имя: {self.name}
Фамилия: {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
            and 0 < grade <= 10
        ):
            if course in student.grades:
                student.grades[course] += [grade]
            else:
                student.grades[course] = [grade]
        else:
            return "Ошибка"
s1 = Student("x","xx","xxx")
s2 = Mentor("zz","zzz")

print(s1>s2)