to be continue

from abc import ABC

class Computer_store(ABC):
    def __init__(self, brand: str, id:int, ram: int, cores: int):
        self.brand = brand
        self.id = id
        self.ram = ram
        self.cores  = cores


class Laptop(Computer_store):
    def __init__(self, brand: str, id: int, ram: int, cores: int, sub_brand: str):
        Computer_store.__init__(self,brand,id, ram, cores)
        self.sub_brand = sub_brand

class PC(Computer_store):
    def __init__(self, brand, id, ram, cores, serial_number: int):
        Computer_store.__init__(self, brand, id, ram, cores)
        self.serial_number = serial_number


laptop = []
pc = []
command = input().split('(')
while not command[0] == 'end':
    if command[0] == 'Laptop':
        row1 = command[1].split(')')
        param_list = row1[0].split(', ')
        if len(param_list) < 5:
            print(f'__init__() missing 1 required positional argument:\'sub_brand\'')
        elif param_list[4].isdigit():
            print('sub_brand must be string')
        else:
            object = Laptop(param_list[0],param_list[1],param_list[2],param_list[3],param_list[4])
            laptop.append(object)
    elif command[0] == 'PC':
        row1 = command[1].split(')')
        param_list = row1[0].split(', ')
        if len(param_list) < 5:
            print(f'__init__() missing 1 required positional argument:\'serial_number\'')
        elif param_list[4].isalpha():
            print('serial_number must be int')
        else:
            object = PC(param_list[0], param_list[1], param_list[2], param_list[3], param_list[4])
            pc.append(object)
    else:
        print(f'instantiate abstract class Computer with abstract methods __init__')
    command = input().split('(')