10 Powerful Python Modules You’re Probably Not Using

From the creator

💡 Learn how to design great software in 7 steps: https://arjan.codes/designguide. Python’s standard library is one of its greatest strengths, but many developers only scratch the surface. In this video, we explore 10 powerful and sometimes overlooked modules that can simplify your code, improve performance, and eliminate unnecessary dependencies. 🔥 GitHub Repository: https://git.arjan.codes/2025/standard. 🎓 ArjanCodes Courses: https://www.arjancodes.com/courses. 💬 Join my Discord server: https://discord.arjan.codes. ⌨️ Keyboard I’m using: https://amzn.to/49YM97v. 🔖 Chapters: 0:00 Intro 0:37 Dataclasses – Less Boilerplate, More Clarity 2:32 Pathlib – Modern File Paths 3:49 Functools – Caching and Higher-Order Functions 5:57 Tomllib – Parsing TOML Configs 7:00 Graphlib – Topological Sorting for Dependencies 8:06 Heapq – Dynamic Priority Queues in Action 10:04 Secrets – Cryptographically Secure Random Numbers 11:12 Shutil – High-Level File Operations 12:39 Textwrap – Formatting Text Neatly 13:29 Itertools – Powerful Iterators and Combinations 15:20 Final Thoughts #arjancodes #softwaredesign #python

Published 2025-09-05 · Watch on YouTube ↗
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