Isn’t your x covered by: https://vim.fandom.com/wiki/Power_of_g

Try Hedy

It’s a gradual progression textual programming language specifically designed for learning. As you advance in levels, it ultimately becomes Python.

IMO consistent repeated “writing predictable long lines” means the code smells of abstractions that can be improved, i.e. if autocomplete is really saving someone that much time, there are likely even worse problems.