Simon Willison’s Weblog

How to Use Static Type Checking in Python 3.6 (via) Useful introduction to optional static typing in Python 3.6, including how to use mypy, PyCharm and the Atom mypy plugin.

Posted 19th April 2018 at 6:30 pm

Recent articles

Your job is to deliver code you have proven to work - 18th December 2025
Gemini 3 Flash - 17th December 2025
I ported JustHTML from Python to JavaScript with Codex CLI and GPT-5.2 in 4.5 hours - 15th December 2025

python 1216 static-typing 7 mypy 10

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