Function to support recursively accessing key-value pairs from a nested dictionary.

access_dict_recursively.py

from typing import Any, Dict, Optional


def access(d: Dict[str, Any], *keys) -> Optional[Any]:
  return reduce(dict.get, keys, d)


#
# Use as:
# >>>> access({"hello": {"world": {"how": "are you today?"}}}, "hello")
# >>>> access({"hello": {"world": {"how": "are you today?"}}}, "hello", "world")
# >>>> access({"hello": {"world": {"how": "are you today?"}}}, "hello", "world", "how")
#