how to append to a dictionary in python
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Dictionaries in Python are mutable, unordered collections of key-value pairs. You can easily append or add new key-value pairs to a dictionary. In this tutorial, we'll explore various methods to append to a dictionary in Python, accompanied by code examples.
The most straightforward way to append or update a dictionary is by using square bracket notation. If the key already exists, the corresponding value will be updated; otherwise, a new key-value pair will be added.
The update() method allows you to append multiple key-value pairs from another dictionary or an iterable of key-value pairs.
You can also use the dict() constructor to create or append to a dictionary.
The setdefault() method is useful when you want to add a new key with a default value if the key doesn't already exist.