Essentially, dictionaries work a lot like lists. This means you can store lots of data in a single place for easy retrieval. We’ve previously discussed how to use lists in Python here: ...

The key to working most effectively with pattern matching is not just to use it as a substitute for a dictionary lookup or an if/else chain. It’s to describe the structure of what you want to match.

When to use Python dataclasses—and when not to use them. ... Another possible use case is replacing nested dictionaries, which can be clumsy to work with, with nested instances of dataclasses.

How to use arrays in Python To create an array in Python, we can use a type of variable called a “dictionary.” This is an associative array, meaning that it is made of value/key pairs.