python

from datetime import datetime, timedelta



class Client:

    def __init__(self, name):

        self.name = name

        self.appointments = []  # Записи клиента

        

    def add_appointment(self, appointment):

        self.appointments.append(appointment)

        

    def cancel_appointment(self, appointment):

        self.appointments.remove(appointment)



class Appointment:

    def __init__(self, client, time):

        self.client = client

        self.time = time

        

class CarService:

    def __init__(self):

        self.appointments = []  # Записи на техническое обслуживание

        

    def add_appointment(self, appointment):

        self.appointments.append(appointment)

        

    def remove_appointment(self, appointment):

        self.appointments.remove(appointment)

        

    def check_availability(self, time):

        for appointment in self.appointments:

            if time == appointment.time:

                return False

        return True

    

    def get_appointments(self):

        return self.appointments



# Создаем сервис

service = CarService()



# Создаем клиентов

client1 = Client("Иванов")

client2 = Client("Петров")



# Создаем записи на техническое обслуживание

appointment1 = Appointment(client1, datetime.now() + timedelta(days=1))

appointment2 = Appointment(client2, datetime.now() + timedelta(days=2))



# Добавляем записи в сервис

if service.check_availability(appointment1.time):

    service.add_appointment(appointment1)

else:

    print("Время занято")

    

if service.check_availability(appointment2.time):

    service.add_appointment(appointment2)

else:

    print("Время занято")



# Проверяем записи в сервисе

appointments = service.get_appointments()

for appointment in appointments:

    print(appointment.client.name, appointment.time)



# Удаляем запись из сервиса

service.remove_appointment(appointment1)



# Проверяем записи после удаления

appointments = service.get_appointments()

for appointment in appointments:

    print(appointment.client.name, appointment.time)