class Person:
    def __init__(self, name, age):
        self.name = name
        self.age = age

    def display_person_info(self):
        print(f"Person: {self.name}, {self.age}")

class Company:
    def __init__(self, name, city):
        self.company_name = name
        self.location = city

    def display_company_info(self):
        print(f"Company: {self.company_name}, {self.location}")

class Employee:
    def __init__(self, name, age, company, city):
        self.personal_data = Person(name, age)
        self.work = Company(company, city)

# ````````````````````````````````````````````````````````````````

class Task:
    def __init__(self, name, description, status=False):
        self.name = name
        self.description = description
        self.status = status

    def display(self):
        print(f"{self.name} {'(Сделана)' if self.status else '(Не сделана)'}")

class TaskList:
    def __init__(self):
        self.tasks = []

    def add_task(self, task: Task):
        self.tasks.append(task)

    def remove_task(self, task: Task):
        self.tasks.remove(task)

class TaskManager:
    def __init__(self, task_list:TaskList):
        self.task_list = task_list

    def mark_done(self, task:Task):
        task.status = True
    
    def mark_undone(self, task:Task):
        task.status = False
    
    def show_tasks(self):
        for task in self.task_list.tasks:
            task.display()

# ````````````````````````````````````````````````````````````````
class Triangle:
    def __init__(self, a, b, c):
        self.a = a
        self.b = b
        self.c = c
    def is_exists(self):
        return (self.a < (self.b + self.c)) and \
                (self.b < (self.a + self.c)) and \
                (self.c < (self.a + self.b))

    def is_equilateral(self):
        return self.a == self.b == self.c
    
    def is_isosceles(self):
        return self.is_exists() and ((self.a == self.b) or (self.a == self.c) or (self.b == self.c))
        

# ````````````````````````````````````````````````````````````````

class Config:
    pass


def create_instance(number: int):
    obj = Config()
    
    for i in range(1, number+1):
        name = 'attribute' + str(i)
        value = 'value' + str(i)
        setattr(obj, name, value)
        
    return obj


def main():
    # config = create_instance(3)
    # print(config.__dict__)

    triangle = Triangle(5, 16, 5)
    print(f"Is Triangle exist: {triangle.is_exists()}")
    print(f"Is Equilateral: {triangle.is_equilateral()}")
    print(f"Is Isosceles: {triangle.is_isosceles()}")


if __name__ == '__main__':
    main()