python

class Appointment:

    def __init__(self, start_time, end_time):

        self.start_time = start_time

        self.end_time = end_time



class Client:

    def __init__(self, name):

        self.name = name

        self.appointment = None



    def make_appointment(self, appointment):

        self.appointment = appointment



    def cancel_appointment(self):

        self.appointment = None



class AutoService:

    def __init__(self):

        self.appointments = []



    def get_available_appointments(self):

        available_appointments = []

        for appointment in self.appointments:

            if appointment.client is None:

                available_appointments.append(appointment)

        return available_appointments



    def schedule_appointment(self, client, start_time, end_time):

        new_appointment = Appointment(start_time, end_time)

        if self.is_time_available(new_appointment):

            client.make_appointment(new_appointment)

            self.appointments.append(new_appointment)

            return True

        return False



    def cancel_appointment(self, client):

        if client.appointment is not None:

            client.cancel_appointment()

            self.appointments.remove(client.appointment)

            return True

        return False



    def is_time_available(self, appointment):

        for existing_appointment in self.appointments:

            if (appointment.start_time >= existing_appointment.start_time and 

                appointment.start_time < existing_appointment.end_time) or 

                (appointment.end_time > existing_appointment.start_time and 

                appointment.end_time <= existing_appointment.end_time):

                return False

        return True



# Пример использования программы



auto_service = AutoService()



# Создаем доступные слоты для записи

appointments = [

    Appointment('09:00', '10:00'),

    Appointment('12:00', '13:00'),

    Appointment('15:00', '16:00')

]



# Добавляем слоты в автосервис

for appointment in appointments:

    auto_service.appointments.append(appointment)



# Создаем клиентов

client1 = Client('John')

client2 = Client('Mary')



# Записываем клиентов на доступные слоты

auto_service.schedule_appointment(client1, '09:00', '10:00')

auto_service.schedule_appointment(client2, '12:00', '13:00')



# Выводим информацию о записях

for appointment in auto_service.appointments:

    if appointment.client is not None:

        print(f"Время: {appointment.start_time}-{appointment.end_time} | Клиент: {appointment.client.name}")

    else:

        print(f"Время: {appointment.start_time}-{appointment.end_time} | Свободно")