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title: understanding the difference between _new_ and _init_ in python classes
introduction:
in python, classes serve as a fundamental building block for object-oriented programming. when working with classes, it's crucial to grasp the distinction between the _new_ and _init_ methods. both are special methods that contribute to the initialization process of a class, but they serve different purposes. this tutorial aims to provide a clear understanding of the roles of _new_ and _init_ through concise explanations and illustrative code examples.
in this example, the _new_ method prints a message when creating a new instance of the examplenew class. it's important to note that if _new_ is not explicitly defined, the default implementation in the object class is used.
in this example, the _init_ method initializes the value attribute with the provided argument and prints a corresponding message. it's crucial to note that _init_ doesn't return anything, as its purpose is to modify the already-created instance.
in this example, _new_ is called first, followed by _init__. the __new_ method creates the instance, and _init_ initializes its attributes.
conclusion:
understanding the roles of _new_ and _init_ in python classes is crucial for effective object-oriented programming. while _new_ focuses on instance creation, _init_ is dedicated to instance initialization. by utilizing both methods appropriately, developers can design classes that adhere to the principles of object-oriented design and promote code clarity and maintainability.
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