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Sorted() function in Python

Python sorted() function returns a sorted list from the iterable object.

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Sorted() function in Python
Python – Difference between sorted() and sort()
How to Use sorted() and sort() in Python

Sorted() sorts any sequence (list, tuple) and always returns a list with the elements in a sorted manner, without modifying the original sequence.

Syntax: sorted(iterable, key, reverse)

Parameters: sorted takes three parameters from which two are optional.

Iterable : sequence (list, tuple, string) or collection (dictionary, set, frozenset) or any other iterator that needs to be sorted.

Key(optional) : A function that would server as a key or a basis of sort comparison.

Reverse(optional) : If set true, then the iterable would be sorted in reverse (descending) order, by default it is set as false.

Python – Difference between sorted() and sort()

Sorting means rearranging a given sequence of elements according to a comparison operator on the elements. The comparison operator is used to decide the new order of the element in the respective data structure.

For example: The below list of characters is sorted in increasing order of their ASCII values. That is, the character with lesser ASCII value will be placed first than the character with higher ASCII value.

In Python, sorting any sequence is very easy as it provides in-built methods for sorting. Two such methods are sorted() and sort(). These two methods are used for sorting but are quite different in their own way. Let’s have a look at them one by one.

How to Use sorted() and sort() in Python

by David Fundakowski basics python

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Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Sorting Data With Python

All programmers will have to write code to sort items or data at some point. Sorting can be critical to the user experience in your application, whether it’s ordering a user’s most recent activity by timestamp, or putting a list of email recipients in alphabetical order by last name. Python sorting functionality offers robust features to do basic sorting or customize ordering at a granular level.

In this guide, you’ll learn how to sort various types of data in different data structures, customize the order, and work with two different methods of sorting in Python.

By the end of this tutorial, you’ll know how to:

Implement basic Python sorting and ordering on data structures
Differentiate between sorted() and .sort()
Customize a complex sort order in your code based on unique requirements

For this tutorial, you’ll need a basic understanding of lists and tuples as well as sets. Those data structures will be used in this tutorial, and some basic operations will be performed on them. Also, this tutorial uses Python 3, so example output in this tutorial might vary slightly if you’re using Python 2.

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