Not anymore ;-)

Since it's been three weeks, I think I can resolve this question as answered.

Python 2 uses "int math" so 5 / 2 == 2. Along with print statements, that's one of the most common things to watch out for when switching between Python 2 and Python 3. Int math was originally used in order to keep types consistent (divide two ints, get back an int), but for Python 3 it was changed to float math (divide two ints, get back a float) so that it behaves as expected.

To perform float math with Python 2, you have to cast the numerator and/or the denominator to a float like float(5) / 2 == 2.5 or 5 / float(2) == 2.5 or float(5) / float(2) == 2.5

Please have a look at http://www.codewars.com/docs/comment-markdown and learn about proper formatting.

That being said, your code is probably too slow. Add the error message. Also note that Codewars runs Python 2.7.