I've been thinking it would be useful to create a sub-language of python with only essential features (removing hard to explain features such as 'is', ':=', and

I've been thinking it would be useful to create a sub-language of python with only essential features (removing hard to explain features such as 'is', ':=', and a plethora of non-essentials) -- that is, fully backward-compatible with python. This would also make restricted interpreters easier to write as well. I know micropython exists, but the goal is more minimal size than simplicity and ease to learn.