Python Dictionary update()
In python dictionaries, the update() method is used to insert the specified key-value pairs to the dictionary from another dictionary or from an iterable.
Python Dictionary update()
The syntax of update() is:
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dictionary.update(object)
update() Parameters
The update() method takes only one parameter as an argument:
- object - Either a dictionary, iterable, or an object of key/value pairs.
Let’s see an example of the update() method in the dictionary.
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Example 1: How to use the update() method on python dictionary?
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car = {"brand": "Ford", "model": "Mustang", "year": 1964}
car.update({"color": "White"})
print(car)
Output:
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{'brand': 'Ford', 'model': 'Mustang', 'year': 1964, 'color': 'White'}
Rules of update()
- If the update method passed without any value it would return None.
- It will only take values in key /value pairs.
Khushal Jethava
Machine Learning Engineer at Codiste, specializing in Generative AI, NLP, and Computer Vision. Building production AI systems with Python.
This post is licensed under CC BY 4.0 by the author.