inheritance_ex.py

from abc import ABCMeta, abstractmethod
from typing import Dict

class Base(metaclass=ABCMeta):
    def __init__(self, a):
        self.a = a

    @abstractmethod
    def sub_thing(self, **data) -> Dict:
        pass

    def thing(self, requests):
        return [self.sub_thing(**request) for request in requests]


class Child(Base):
    def __init__(self, a):
        Base.__init__(self, a)

    def sub_thing(self, num_1, num_2):
        return {'attribute_1': num_1*self.a, 'attribute_2': num_2*self.a}


class Child2(Base):
    def __init__(self, a):
        Base.__init__(self, a)

    def sub_thing(self, num_1, num_2, num_3):
        return {'attribute_1': num_1**2*self.a+num_3, 'attribute_2': num_2**2*self.a+3}


if __name__ == "__main__":
    requests_v1 = [{"num_1": 3, "num_2": 5}, {"num_1": 4, "num_2": 6}]
    requests_v2 = [{"num_1": 3, "num_2": 5, "num_3": 10}, {"num_1": 4, "num_2": 6, "num_3": 20}]
    ch1 = Child(a=5)
    ch2 = Child2(a=5)
    print(ch1.thing(requests_v1))
    print(ch2.thing(requests_v2))