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In Python, dictionaries are versatile data structures that allow you to store and retrieve data using key-value pairs. If you need to add or append new key-value pairs to an existing dictionary, the update() method or direct assignment can be used. This tutorial will guide you through appending to a dictionary in Python with code examples.
The update() method is a built-in method in Python dictionaries that allows you to add key-value pairs from another dictionary or an iterable of key-value pairs.
Here, iterable can be a dictionary, a list of tuples, or another iterable containing key-value pairs.
Output:
In this example, the update() method is used to add the key-value pairs from the new_data dictionary to the existing my_dict dictionary.
You can also append new key-value pairs to a dictionary using direct assignment. This method is straightforward and is suitable for adding a single key-value pair.
Output:
In this example, a new key-value pair is added to the my_dict dictionary using direct assignment.
Appending to a dictionary in Python is a common operation, and you can choose between the update() method for adding multiple key-value pairs or direct assignment for adding a single key-value pair. Both methods provide flexibility and ease of use, depending on your specific needs.
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