Thonny is a wonderful, gentle introduction to using MicroPython on devices. It's well-designed and careful thought has been invested in the UI.

However, experienced developers may appreciate the extra features of using their favourite IDE combined with mpremote running in a terminal:

https://docs.micropython.org/en/latest/reference/mpremote.ht...

It's pretty magical to mount your PC filesystem on an embedded device - and extremely productive!