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Python - copy dictionary

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Created by:
Jun-L
413

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

Quick solution:

dict2 = dict1.copy()

 

Practical example

In this example, we use copy() method to create a copy of my_dict dictionary.

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

dict_copy = my_dict.copy()

print(dict_copy.items())  # [('id', 1), ('name', 'Tom'), ('age', 25)]

Output:

dict_items([('id', 1), ('name', 'Tom'), ('age', 25)])

Note:

You can't simply use dict2 = dict1, because dict2 will only be a reference to dict1. Any change in dict1 will automatically cause the change in dict2.

Python - dictionary (popular problems)

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