How do I work with nested objects in Python?

How do I work with nested objects in Python?

In Python, nested objects can be dictionaries or lists within other dictionaries or lists. What specific example do you have in mind?

Can you show me an example of a nested dictionary?

Sure! Here's a simple example:

nested_dict = {
    'person': {
        'name': 'Alice',
        'age': 30,
        'address': {
            'city': 'Wonderland',
            'zip': '12345'
        }
    }
}

You can access the city like this: nested_dict['person']['address']['city'].

What if I want to add a new key to the nested dictionary?

You can add a new key by simply assigning a value to it. For example:

nested_dict['person']['address']['country'] = 'Wonderland'

How do I loop through all the keys in a nested dictionary?

You can use a recursive function to loop through all keys. Here's a simple example:

def print_keys(d):
    for key, value in d.items():
        print(key)
        if isinstance(value, dict):
            print_keys(value)