Eric VS iPython

There's VSCodium if you want a little more of an OSS experience. ERIC4 https://eric-ide.python-projects.org/ is maybe the closest pythonic IDE I've seen and is worth a look, though I've never tried CircuitPython with it. Source: 5 months ago

Https://eric-ide.python-projects.org/. - Source: Hacker News / about 1 year ago

This is a cross-platform IDE written in Python. Eric has a powerful debugger that debugs multithreaded and multiprocessor programs. There is support for unit testing, a built-in hex editor, an SQL browser, an icon designer, and many other tools. Thanks to the built-in Qt supports the creation of graphical interfaces using Qt Designer. - Source: dev.to / about 3 years ago

Third, if possible use a command line interpreter to test things out. I recommend ipython for this purpose. You can use your browser's developer console this way if you are learning Javascript. Source: about 1 year ago

IJulia is an interactive notebook environment powered by the Julia programming language. Its backend is integrated with that of the Jupyter environment. The interface is web-based, similar to the iPython notebook. It is open-source and cross-platform. - Source: dev.to / about 1 year ago

Also, take a look at installing iPthon to give you a much richer shell environment. This underpins Jupyter Notebooks, so is well known, proven and trusted. Source: about 1 year ago

I know this isn't quite what you're asking for, but IPython (https://ipython.org/) is very capable as a Python + bash (or other) shell, as it allows you to easily integrate the system shell into the interactive environment. Although they now recommend Xonsh (https://xon.sh/) for such purposes. Source: about 1 year ago

Either an online python interpreter like replit.com or simply any python interpreter, like `ipython`, or the default, barebones one that ships with the python installation pacakge. Source: over 1 year ago