将嵌套字典转换为序列

def flatten_dict(nested_dict):
    flattened_dict = {}
    for key, value in nested_dict.items():
        if isinstance(value, dict):
            flattened_value = flatten_dict(value)
            for sub_key, sub_value in flattened_value.items():
                flattened_dict[key + '.' + sub_key] = sub_value
        else:
            flattened_dict[key] = value
    return flattened_dict

nested_dict = {
    'person': {
        'name': 'John',
        'age': 30,
        'address': {
            'street': '123 Main St',
            'city': 'New York'
        }
    },
    'company': 'ABC Corp',
    'website': 'www.example.com'
}

flattened_dict = flatten_dict(nested_dict)
print(flattened_dict)

{
    'person.name': 'John',
    'person.age': 30,
    'person.address.street': '123 Main St',
    'person.address.city': 'New York',
    'company': 'ABC Corp',
    'website': 'www.example.com'
}