non_repeat('aaaaa') == 'a'
non_repeat('abdjwawk') == 'abdjw' <-- k
non_repeat('abcabcffab') == 'abcf'
I think letter k is missing in https://py.checkio.org/en/mission/long-non-repeat/
I don't know if you can see it.
Created at: 2019/11/14 16:49; Updated at: 2019/11/14 17:17
The question is resolved.
