I submitted one myself, feel free to delve into it (I also don't think very highly of it, but it works and bests iterative approachs).

For everyone else wondering (or in case you still do) look here https://docs.python.org/3/library/urllib.parse.html#urllib.parse.quote

Thanks for your feed: I changed the code (sorting both expected and resulting output) and now seems to work :)

[I tried your code too; when posting it, try to use triple backtick before and after it]

Strange, don't know how I managed that.

Thanks, fixed. :)