class PC:
    def __init__(self, ozu: int, hard_disk_memory: int, cpu: str):
        self.__ozu = ozu
        self.__hard_disk_memory = hard_disk_memory
        self.__cpu = cpu

    @property
    def getInfoPc(self):
        d = {'ozu': self.__ozu, 'hard_disk_memory': self.__hard_disk_memory, 'cpu': self.__cpu}
        return d


class Desktop(PC):
    def __init__(self, __ozu, __hard_disk_memory, __cpu, monitor: str, mouse: str, keyboard: str,
                 keyboard_width: float, keyboard_length: float):
        super().__init__(__ozu, __hard_disk_memory, __cpu)
        self.__monitor = monitor
        self.__mouse = mouse
        self.__keyboard = keyboard
        self.__keyboard_width = keyboard_width
        self.__keyboard_length = keyboard_length

    def getInfo(self):
        return \
f'''OZU: {self.getInfoPc['ozu']}
RAM: {self.getInfoPc['hard_disk_memory']}
CPU: {self.getInfoPc['cpu']}
Monitor: {self.__monitor}
Mouse: {self.__mouse}'''


class Laptop(PC):
    def __init__(self, diag, *args):
        super().__init__(*args)
        self.__diag = diag

    def getInfoLap(self):
        return \
f'''OZU: {self.getInfoPc['ozu']}
RAM: {self.getInfoPc['hard_disk_memory']}
CPU: {self.getInfoPc['cpu']}
Диагональ: {self.__diag}'''


desk = Desktop(16, 256, '2030v3', 'Asus', 'Bloody_v7', 'Razer', 70, 18)
print(desk.getInfo())
print()
lap = Laptop(12, 32, 512, 'intel')
print(lap.getInfoLap())