Keyword Analysis & Research: python class init default values


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Frequently Asked Questions

Where does Python store default member variable values?

Python stores default member variable values in class attributes. Consider this example, not using dataclasses: Note that the two instances of class C share the same class variable x, as expected. This has the same issue as the original example using class C .

What are Python classes?

Classes ¶. Python classes provide all the standard features of Object Oriented Programming: the class inheritance mechanism allows multiple base classes, a derived class can override any methods of its base class or classes, and a method can call the method of a base class with the same name. Objects can contain arbitrary amounts and kinds of data.

What is class inheritance in Python?

It is a mixture of the class mechanisms found in C++ and Modula-3. Python classes provide all the standard features of Object Oriented Programming: the class inheritance mechanism allows multiple base classes, a derived class can override any methods of its base class or classes, and a method can call the method of a base class with the same name.

What is an init-only field in Python?

If a field is an InitVar, it is considered a pseudo-field called an init-only field. As it is not a true field, it is not returned by the module-level fields () function. Init-only fields are added as parameters to the generated __init__ () method, and are passed to the optional __post_init__ () method.

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