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Not only does this kata not do a thorough job of testing, I suspect the solution tested against to be wrong. I just ran all of the other verified solutions against this:

convert(0.909, '09')  # expect 10/11
convert(0.90, '90')  # expect 10/11

and none of them give the right result for the second line. To be fair, one works correctly when passing in 0.9090 and another with 0.909090, but partial credit isn't quite the same thing as correct, is it?

Although my inital solution accidentally passes on this test, there are similar cases where it failed. I know how to patch my code, if only there were a way to edit a submission without resubmitting a new one. That' just brilliant. I've resubmitted my patched code and forked too. Not sure the difference.

Do you still feel this way?

I haven't been on codewars long, but I feel like any kata that requires importing modules shouldn't be 8 or 7 kyu. Or there should be a mention of the module to import in the description.

Sure, post it and I'll add.

I have a Python solution if interested

I have a Python solution if interested

How would someone use a while loop in python for a kata like this?

Updated test cases

Well, the common setup could be

func ref(){} | Your solution

for 100 times
{
    input = generated()
    expected = ref(input)
    AssertEquals(usersolution(input),expected)
}

OK my solution works for 0.8088 and 65.666, but only if the recurring part is shown as '88' and '66' respectively. This I did know when testing against similar test cases and I made allowances for it by doubling up the recurring digit.

Your solution doesn't require it.

Ha that, second test has exposed a flaw in my solution. We get different answers for that case, when I run them side by side, so I'm going to assume yours is the better solution.

Thanks for feedback, as you'll have noticed this is my first attempt at creating a kata, curious as to how I can go about generating random tests, or do I literally generate a list of random recurring decimals, and run them through my algo to get correct results?