Flatten python dictionary

flatten_dict.py

def flatten_dict(d: any):
    if not isinstance(d, dict):
        return []

    flat_d = _flatten_dict(d)

    for index in range(len(flat_d)):
        flat_d[index] = tuple(flat_d[index])

    return flat_d


def _flatten_dict(d: any):
    if not isinstance(d, dict):
        return [[str(d)]]
    
    paths = []
    for key in d.keys():
        value = d[key]
        for inner_path in _flatten_dict(value):
            paths.append([key] + inner_path)

    return paths