I've Revised the Translation's solution and tests and seemed nice But no problem, Ben , Just Click on Fork on the right top Conerner this Will allow you to modify your own Translation
After adding prohibited functions and the use of +/-. I'll Approve it instantly, Way to refine your translation skills Bro .. tuned .. regards
Fixed.
This is due to a CW bug: https://github.com/Codewars/codewars.com/issues/690
(The version got reverted to csh instead of bash. I forked it to fix it.)