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Title: Understanding Constructor Ignoring in Python's Child Classes
Introduction:
In Python, constructors play a crucial role in initializing the attributes of a class when an object is created. However, there are instances where the constructor of a child class appears to be ignored. This tutorial will explore the reasons behind this behavior and provide insights into how to overcome it.
Inheritance is a fundamental concept in object-oriented programming (OOP), allowing a class (child) to inherit attributes and methods from another class (parent). When a child class is created, it implicitly inherits the constructor of its parent class.
In Python, if a child class defines its own constructor (__init__ method), it should explicitly call the constructor of its parent class using the super() function. Failing to do so may result in the parent class constructor being ignored.
The Parent class has a constructor that initializes the name attribute.
The Child class inherits from the Parent class and defines its own constructor that initializes both name and age attributes.
Inside the Child class constructor, super().__init__(name) is used to explicitly call the constructor of the parent class. This step is essential to prevent the parent class constructor from being ignored.
When an instance of the Child class is created (child_obj), both the parent and child class constructors are called in the correct order.
Understanding how constructors work in Python's inheritance hierarchy is crucial for proper object initialization. By using the super() function in the child class constructor, you ensure that both the parent and child class constructors are executed, avoiding the issue of constructor ignoring. This practice promotes clean and maintainable code in object-oriented Python programming.
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