Dunder Methods

dunderpython

Dunder Methods or special methods can be used for operator overloading

What is __all__ in __init__.py?

It's a list of public objects of that module, as interpreted by import *. It overrides the default of hiding everything that begins with an underscore.

When yo do import * from XYZ all methods mentioned explicitly in __all__ will be imported

What is __init.py__ in python modules?

required for Python to treat the directories as containing packages

Python defines two types of packages, regular packages and namespace packages. Regular packages are traditional packages as they existed in Python 3.2 and earlier. A regular package is typically implemented as a directory containing an init.py file. When a regular package is imported, this init.py file is implicitly executed, and the objects it defines are bound to names in the package’s namespace. The init.py file can contain the same Python code that any other module can contain, and Python will add some additional attributes to the module when it is imported.

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