__sizeof__

Dunder MethodPython 2.0+Advanced

Returns the memory size of the object in bytes

Quick Info

Documentation
Official Docs
Python Version
2.0+

Learn by Difficulty

Quick Example

python
class Example:
    def __sizeof__(self):
        return "Example __sizeof__"

obj = Example()
print(obj)

__sizeof__ returns the memory size of the object in bytes. Implementing it lets you customize how Python interacts with your objects.

Try in Playground

Tags

oopmagic-methodprotocolcore