Arduino microcontrollers have added Python to the range of compatible programming languages. Others can be used, and not just Arduino's own IDE app.

Like the Raspberry Pi, the Arduino ... the IDE's source code, which is hosted on GitHub. Compared to the Raspberry Pi, which can be programmed with multiple programming languages such as Python ...

This is not an Arduino IDE extension – it’s a separate Arduino IDE-shaped app that does MicroPython editing and uploads code to your board from a friendly environment.