A frozen set for nested containers

deepfrozenset.py

from typing import Any


# TODO: type hinting


def deepfrozenset(obj: Any) -> Any:
    if isinstance(obj, dict):
        return frozenset([(key, deepfrozenset(val)) for key, val in obj.items()])

    if isinstance(obj, list):
        return frozenset([deepfrozenset(val) for val in obj])
    
    return obj