this enlightened my dumbass

There's always a tryhard for everything lol

can you provide a test case that this solution would fail ? ;-)

Random tests are needed (at least in C). This solution shouldn't have been accepted: https://www.codewars.com/kata/reviews/633ecc4a0b4d8d0001547ed6/groups/633ecc4b0b4d8d0001547edb

yes if a large para is given as input.
but the coder's mind is next level.🫡

For example, if your string contains both 1 and 0, and you replace 1 with I, that might create a situation where another part of the string (e.g., something containing 10) is now altered in an unexpected way when 0 is replaced with O.

10 points for niceness!

i didn't know that range function return a list . nice

What does unstable mean in this context?

That's nice one

very good

It looks realy cool...

It works perfectly for everyone. Not sure where you're getting an error.