See Efficient communication between Arduino* and Linux native processes. However, it's not easy to use the in-memory shared lock between python process and Arduino process.

To make things easy for the common user, he wrote a library called EasyTransfer which abstracts packetized serial communications between two Arduino boards.

It is now possible to run Arduino and MicroPython side-by-side on multi-core microcontrollers. Opening up a wealth of new applications across ...

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