Skip to content

Python dictionary update | Example code

  • by

Use the update() function to update a dictionary in Python. Using this method you can insert the specified items, dictionary, or iterable object with key-value pairs into the dictionary.


Example update Python dictionary

A simple example code inserts an item into the dictionary:

car = {
    "brand": "Ford",
    "model": "Mustang",
    "year": 1964

car.update({"color": "Red"})



Python dictionary update

Or Directly assigning new key-value pairs:

my_dict = {'a': 1, 'b': 2}
my_dict['c'] = 3
my_dict['d'] = 4

Update() using Tuple

d = {'x': 2}

d.update(y=3, z=0)


Output: {‘x’: 2, ‘y’: 3, ‘z’: 0}

Update with another Dictionary

d1 = {'A': 0, 'B': 1, }
d2 = {'B': 2}



Output: {‘A’: 0, ‘B’: 2}

Comment if you have any doubts or suggestions on this Python dictionary topic.

Note: IDE: PyCharm 2021.3.3 (Community Edition)

Windows 10

Python 3.10.1

All Python Examples are in Python 3, so Maybe its different from python 2 or upgraded versions.

Leave a Reply

Your email address will not be published. Required fields are marked *