python callable example

in python, a callable refers to any object that can be called, i.e., any object that can be invoked using parentheses (). this includes functions, methods, and certain classes. understanding callables is crucial for writing clean and expressive code. in this tutorial, we'll explore various examples of callables in python.
functions are the most common type of callable in python. they are defined using the def keyword and can be called with arguments.
methods are functions that are defined within a class and operate on instances of that class. they are also callables.
in python, classes themselves can be treated as callables. when you call a class, it invokes its __init__ method to create a new instance.
any object that implements the __call__ method can be called like a function. this allows custom objects to act as callable.
lambda functions are small anonymous functions that can have any number of arguments but can only have one expression.
understanding callables in python is fundamental for writing versatile and expressive code. whether you're working with functions, methods, classes, or custom callable objects, knowing how to use them effectively will enhance your python programming skills. experiment with these examples to deepen your understanding of callables in python.
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