Press the `up` button, edit the line and run the i2c = line anew. To be clear, all of code is running on your microcontroller, you just type it into your chip’s RAM and it is executed by your MCU.

Mypy, Pytype, Pyright, and Pyre can help you keep your type-hinted Python code bug-free. Let’s see what each of these useful tools has to offer. In the beginning, Python had no type decorations ...