A Python dictionary is a collection of key-value pairs where each key is associated with a value. A value in the key-value pair can be a number, a string, a list, a tuple, or even another dictionary.

If you want to find the key by the value, you can use a dictionary comprehension to create a lookup dictionary and then use that to find the key from the value.

Dictionary Dictionaries are used to store data values in key:value pairs. A dictionary is a collection which is ordered*, changeable and do not allow duplicates. As of Python version 3.7, …

Jul 23, 2025 · Using get () Method get () method allows retrieving a value from a dictionary while providing a default value if the key is missing, this prevents KeyError and makes the code …

The three dictionary methods; items (), keys () and values () retrieves all items, keys and values respectively.

In this tutorial, you'll learn how to work with Python dictionaries to help you process data more efficiently. You'll learn how to create dictionaries, access their keys and values, update …

Jul 5, 2023 · A Brief Anatomy of a Dictionary What Is a Dictionary in Python? You can visualize a Python dictionary by thinking about traditional physical dictionaries. The dictionary's key is …

The list of the values is a view of the dictionary, meaning that any changes done to the dictionary will be reflected in the values list.