Quiz: In Python, what is a decorator?
A decorator is a callable that receives a function, wraps it with additional behaviour, and returns a new callable.
Find tutorials, system documentation, dynamic pages, and interactive quizzes in one place.
A decorator is a callable that receives a function, wraps it with additional behaviour, and returns a new callable.
== tests if two objects have equal values , whereas is tests whether both variables reference the exact same memory object .
__new__ is the static constructor that creates and returns a new object instance; __init__ then receives that instance to initialize its attributes.
copy.deepcopy() constructs a new compound object and then, recursively, inserts copies into it of the objects found in the original.
A lambda function is a small anonymous function containing a single expression: lambda x: x * 2 .
The asyncio Event Loop runs asynchronous tasks and callbacks, performs network I/O operations, and manages cooperative multitasking.
Defining __slots__ prevents the overhead of creating per-instance __dict__ dictionaries, significantly reducing memory consumption.
… producing tiny, secure production container images (e.g. python:3.12-slim ).