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Python - update dictionary items

3 points
Created by:
Palpys
374

In this article, we would like to show you how to update dictionary items in Python.

Practical example

In this example, we use update() method to change the value of the existing item.

my_dict = {
    "id": 1,
    "name": "Tom",
    "age": 25
}

my_dict.update({"age": 30})

print(my_dict.items())  # [('id', 1), ('name', 'Tom'), ('age', 30)]

Output:

dict_items([('id', 1), ('name', 'Tom'), ('age', 30)])

Note:

If the item doesn't exist, the update() method will add it to the dictionary.

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