Why Static Typing Matters in Python

In this video, we look at why static typing matters in Python and how type hints help you catch bugs before your code ever runs. 00:00 Introduction 03:26 Large Codebase 04:19 Latent Bug 08:56 Under the Hood 11:34 Practical Tips 13:00 Python Typing History 15:35 Final Thoughts Chapters in Pip Install Series 1. Why Static Typing Matters in Python — https://youtu.be/GtDViwvdyQw 2. When 100% Test Coverage Isn't Enough — https://youtu.be/vPhxhyEcw6s 3. Age Is NOT Just a Number or: How I Learned to Love Parsing in Python - https://youtu.be/YL6IHz6cFVE Pip Install Series — https://youtube.com/playlist?list=PLNee9ngvNZH3wl4joMm_rnFKQnu3xtRLE Code Samples — https://github.com/PythonInProduction/youtube Type Checkers mypy — https://www.mypy-lang.org/ Pyright — https://microsoft.github.io/pyright ty — https://docs.astral.sh/ty/ Notebook ↔ Python jupytext — https://jupytext.readthedocs.io/en/latest/ nbqa — https://nbqa.readthedocs.io/en/latest/index.html marimo — https://docs.marimo.io/ Software Design Principles Open-Closed Principle — https://en.wikipedia.org/wiki/Open%E2%80%93closed_principle SOLID — https://en.wikipedia.org/wiki/SOLID Python & Historical Context CPython — https://github.com/python/cpython Python History — https://en.wikipedia.org/wiki/Python_(programming_language)#History BDFL — https://en.wikipedia.org/wiki/Benevolent_dictator_for_life Some Python Type Hints PEPs PEP 3107 – Function Annotations — https://peps.python.org/pep-3107/ PEP 484 – Type Hints — https://peps.python.org/pep-0484/ PEP 526 – Variable Annotations — https://peps.python.org/pep-0526/ PEP 544 – Structural Subtyping — https://peps.python.org/pep-0544/ PEP 586 – Literal Types — https://peps.python.org/pep-0586/ PEP 589 – TypedDict — https://peps.python.org/pep-0589/ PEP 591 – Final Keyword — https://peps.python.org/pep-0591/ PEP 604 – Union Types as X | Y — https://peps.python.org/pep-0604/ PEP 612 – Parameter Specification Variables — https://peps.python.org/pep-0612/ PEP 613 – Explicit Type Aliases — https://peps.python.org/pep-0613/ #python #typing #mypy #pyright #ty #cpython #pythontutorial #programming #datascience #softwareengineering