0.1

class Teacher:
    def __init__(self, name, age):
        self.name = name
        self.age = age
        self._salary = 0
        self._courses = []


class Student:
    def _init__(self, name, age):
        self.name = name
        self.age = age
        self.my_courses = []


class SchoolMember(Teacher, Student):
    def __init__(self, name, age):
        super().__init__(name, age)


a = SchoolMember('Georgi', 16)
print(a.my_courses)