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OOP & classes

Classes, instances, methods, dataclasses, and object-oriented design in Python.

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OOP & classes medium

Implement the Strategy Pattern with Interchangeable Algorithm Classes in Python

Uses abstract base classes to define a SortStrategy interface, then swaps between BubbleSort and QuickSort at runtime.

strategy-pattern oop abstract-class
Python 
from abc import ABC, abstractmethod
from typing import List


class SortStrategy(ABC):
    @abstractmethod
    def sort(self, data: List[int]) -> List[int]:
        pass


class BubbleSort(SortStrategy):
    def sort(self, data: List[int]) -> List[int]:
        result = data[:]
        n = len(result)
        for i in…
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