Tag: dictionary

In this article, we will explore Python dictionaries. For my previous tutorials on Python data structures, please see the below links. Lists List Comprehensions Sets What are Python dictionaries? A dictionary is one of Python's primary data structures. In essence, a dictionary (also shortened as dict) is a collection of key-value pairs, similar to an actual dictionary (like the one pictured above). When you look up a word in a dictionary, you find a corresponding definition. Similarly, in a Python dictionary, each key has a corresponding value. In dictionaries, one key can have only one value. However, the value can be anything from a single number or character, to lists, tuples, other dictionaries, or even functions! Creating a Dictionary Dictionaries can be created several ways. The most straightforward way is…