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OOP & classes

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

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Template Method Pattern in Python: Define Base Class with Algorithm Steps

Create a template method base class using ABC that defines the skeleton of an algorithm while letting subclasses implement specific steps.

template-method abstract-class design-pattern
Python
from abc import ABC, abstractmethod


class DataProcessor(ABC):
    """Template method that defines the skeleton of an algorithm."""
    
    def process(self):
        """Template method - defines the sequence of steps."""
        self.load_data()
        self.clean_data()
        self.transform_data()
        self.s…
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