将python对象和子对象列表展平为单个dict

def flatten_dict(obj, parent_key='', sep='_'):
    result = {}
    if isinstance(obj, dict):
        for key, value in obj.items():
            new_key = parent_key + sep + key if parent_key else key
            result.update(flatten_dict(value, new_key, sep))
    elif isinstance(obj, list):
        for i, value in enumerate(obj):
            new_key = parent_key + sep + str(i) if parent_key else str(i)
            result.update(flatten_dict(value, new_key, sep))
    else:
        result[parent_key] = obj
    return result

data = {
    'name': 'John',
    'age': 30,
    'address': {
        'street': '123 Main St',
        'city': 'New York',
        'state': 'NY'
    },
    'hobbies': ['reading', 'coding', 'gaming']
}

flattened_data = flatten_dict(data)
print(flattened_data)

{
    'name': 'John',
    'age': 30,
    'address_street': '123 Main St',
    'address_city': 'New York',
    'address_state': 'NY',
    'hobbies_0': 'reading',
    'hobbies_1': 'coding',
    'hobbies_2': 'gaming'
}