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python dunder init
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Download this code from https://codegive.com • In Python, the _init_ method, also known as a dunder method (short for double underscore), is a special method used for initializing instances of a class. This method is automatically called when an object is created from a class. Understanding and using the _init_ method is fundamental to effective object-oriented programming in Python. • The _init_ method is commonly referred to as the constructor of a class. It is called automatically when a new object is instantiated from the class. The primary purpose of _init_ is to initialize the attributes of the object with values passed as arguments during instantiation. • Here is a basic syntax of the _init_ method: • self: The first parameter in any instance method, including __init__, represents the instance of the class itself. It is a convention to name this parameter self. • param1, param2, ...: These are the parameters that you can pass when creating an object from the class. The values passed as arguments will be used to initialize the corresponding attributes. • self.attribute1, self.attribute2, ...: These are the attributes of the class that will be initialized with values provided during object instantiation. • Let's create a simple class called Person with attributes for name and age using the _init_ method: • In this example, the _init_ method initializes the name and age attributes with the values passed during the creation of the Person object. • You can provide default values for parameters in the _init_ method. This allows you to create objects without providing values for all parameters, making the class more flexible. • In this example, the year parameter has a default value of 2022, but you can override it when creating an instance. • The _init_ method is a crucial part of Python classes, allowing you to initialize object attributes during instantiation. By understanding and effectively using __init__, you can create well-designed and flexible classes in your Python programs. • ChatGPT
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