my simple python program (first after hello world)

pyshit.py

import math


class AbstractOperation:
    def introduce(self) -> str:
        return ""

    def perform(self, a, b):
        return a


class OperationSum(AbstractOperation):
    def introduce(self) -> str:
        return "a + b"

    def perform(self, a, b):
        return a + b


class OperationLog(AbstractOperation):
    def introduce(self) -> str:
        return "Log_a(b)"

    def perform(self, a, b):
        return math.log(b, a)


class OperationMult(AbstractOperation):
    def introduce(self) -> str:
        return "a * b"

    def perform(self, a, b):
        return a * b


class OperationXor(AbstractOperation):
    def introduce(self) -> str:
        return "a xor b"

    def perform(self, a, b):
        return a ^ b


class OperationPow(AbstractOperation):
    def introduce(self) -> str:
        return "a*a*...a (b times)"

    def perform(self, a, b):
        return a**b


def decorate(x, a, b):
    op = x()
    print(op.introduce(), "=", op.perform(a,b))


S = [OperationSum, OperationMult, OperationPow, OperationXor, OperationLog]
for s in S:
    decorate(s,5,3)