Python Nested Convert Dict Value

from decimal import Decimaldef traverse_dict(data):    def to_basic(v):        if isinstance(v, Decimal):            return float(v)        return v    for k, v in data.items():        '''        if isinstance(v, dict):            traverse_dict(v)        elif isinstance(v, list):            data[k] = [to_basic(x) for x in v]        else:            data[k] = to_basic(v)        '''        if isinstance(v, dict):            traverse_dict(v)        elif isinstance(v, (list, tuple)):            data[k] = [traverse_dict(x) if isinstance(x, dict) else to_basic(x) for x in v]        else:            data[k] = to_basic(v)    return data

import pprintimport decimalfrom decimal import Decimaldata = {    'name': 'Desmond',    'age': 40,    'weight': Decimal(65.5),    'height': Decimal(186.6),    'nested': {        'weight': Decimal(65.5),        'height': Decimal(186.6),    },    'nested_dict': [        {'weight': Decimal(65.5), 'height': Decimal(186.6),}    ],    'secret_numbers': [Decimal(8.88), Decimal(9.23)]}pprint.pprint(traverse_dict(data))

{'age': 40,
 'height': 186.6,
 'name': 'Desmond',
 'nested': {'height': 186.6, 'weight': 65.5},
 'nested_dict': [{'height': 186.6, 'weight': 65.5}],
 'secret_numbers': [8.88, 9.23],
 'weight': 65.5}