How to iterate over Python dictionaries using 'for' loops?

Better Stack Team
Updated on January 26, 2023

Let’s assume the following dictionary:

my_dictionary = {
    'key1': 'value1',
    'key2': 'value2',
    'key3': 'value3'

There are three main ways you can iterate over the dictionary.

Iterate over keys

If you iterate over a dictionary the same way you are iterating over a list, you will notice, that you are iterating over dictionary keys:

for k in my_dictionary:

This is basically the same as using the my_dictionary.keys() as the iterable in the for loop.

You can always use the k to access the value:

for k in my_dictionary.keys():

Iterate over values

If you want to iterate over dictionary values instead of dictionary keys, you can use the my_dictionary.values() as iterable in the for loop:

for v in my_dictionary.values():

Iterate over both keys and values

To iterate over both keys and values, you can use the following syntax:

for k, v in my_dictionary.items():
    print(k + ': ' + v)
key1: value1
key2: value2
key3: value3
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