A Python dictionary is a collection of items, similar to lists and tuples. However, unlike lists and tuples, each item in a dictionary is a key-value pair (consisting of a key and a value).

Feb 12, 2025 · In Python, a dictionary can be created by placing a sequence of elements within curly {} braces, separated by a ‘comma’. From Python 3.7 Version onward, Python dictionary are Ordered. Dictionary keys are case sensitive: the same name but different cases of Key will be treated distinctly.

Oct 9, 2023 · This article contains 13 Python dictionary examples with explanations and code that you can run and learn with! Dictionaries are one of Python’s most fundamental data types; they are widely used to represent real-world data and structures.

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.

What is a Python Dictionary? A Python dictionary is a collection of key-value pairs where each key must be unique. Think of it like a real-world dictionary where each word (key) has a definition (value). Dictionaries are: Unordered (in Python versions before 3.7) Ordered (from Python 3.7 onwards) Mutable (can be changed) Indexed by keys, not ...

Oct 22, 2024 · Learn everything there is to know about the Python dictionary, like how to create one, how to add elements to it, and how to retrieve them.

Apr 21, 2025 · Python dictionary is a container of the unordered set of objects like lists. The objects are surrounded by curly braces { }. The items in a dictionary are a comma-separated list of key:value pairs where keys and values are Python data type. You may read our Python dictionary tutorial before solving the following exercises. 1.

This section contains solved Python programs on dictionaries (like, creating dictionaries, retrieving data from the dictionaries, change the existing data, etc), practice these dictionary programs to enhance the Python programming skills working on data values. These programs contain the solved code, explanation, and output.

Apr 1, 2022 · In this Python tutorial, you'll learn how to create a Python dictionary, how to use its methods, and dictionary comprehension, as well as which is better: a dictionary or a list. To get the most out of this tutorial, you should be already familiar with Python lists, for loops, conditional statements, and reading datasets with the reader() method.

Dec 1, 2023 · There are two kinds of dictionaries that you can use in Python: a special kind of dictionary called an OrderedDict. The difference is that the keys in the default dictionary are stored in an unordered manner, whereas an OrderedDict stores key …