---
title: "Python Big O: the time complexities of different data structures in Python"
url: https://daily.dev/posts/python-big-o-the-time-complexities-of-different-data-structures-in-python-eaqyheq60
source_url: https://www.pythonmorsels.com/time-complexities/
type: article
source: "Planet Python"
published: 2024-04-16T16:44:20.956Z
updated: 2024-05-09T09:28:18.744Z
tags: ["python", "data-structures", "time-complexity"]
reading_time: 10
upvotes: 16
comments: 0
language: en
---

> ## Documentation Index
> Fetch the complete documentation index at: https://daily.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# Python Big O: the time complexities of different data structures in Python

**[Planet Python](https://daily.dev/sources/planetpython)** · 10 min read · 16 upvotes · 0 comments

## Summary

This post discusses the time complexities of different Python data structures and algorithms. It provides a cheat sheet for time complexity and explains how it affects code performance. The post covers the time complexities of list operations, deque operations, dictionary operations, set operations, Counter operations, heapq operations, and bisect operations. It also provides tips on optimizing code by considering time complexity and thinking in orders of magnitude.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://www.pythonmorsels.com/time-complexities/>

## Similar posts on daily.dev

- [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 0 upvotes · 0 comments
- [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments
- [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments

---

Tags: [#python](https://daily.dev/tags/python), [#data-structures](https://daily.dev/tags/data-structures), [#time-complexity](https://daily.dev/tags/time-complexity)

[View this post on daily.dev](https://daily.dev/posts/python-big-o-the-time-complexities-of-different-data-structures-in-python-eaqyheq60)