Currently, the description should be correct, thanks!

The kata description is a little misleading: it says that "Each account number should have 9 digits", however it is not always the case.

I agree with the fact that author has to at least mention the fact that you need to work around this special case. Right now the description of the task and the expected results are different. Which is not a problem to work around, but it's not right.

I don't see the point of having 2 parts of the 'Adding words' kata. If you solved the second part first (like I did) you can just copy the solution to part I and it will work.

Thanks! Now I need my half an hour of life back :D *JOKING

The name of test is changed :) Sorry for confusion. I will be more careful in the future when I will be stealing someone's tests :P

Thanks! The name of test is changed.

For me? It worth at least 6 kyu. ;-)

CharCode include 'o,l,e'.
Is this why program don't pass tests? From description I desided that don't use letter
helo wold
but not the standart function with this letter.

I think this kata rate 7kyu only for myjinxin2015 :)

Just what I thought, thanks! :)

Yes, because the check applies to the whole code, not just string contents :)

Make sure you don't have them in capital letters, the code check is case-insensitive.

Could you, please, explain what do you mean by that? I had almost the same solution as you have in your function f (without all that exra functions), but it did not pass, even though there clearly weren't any helowrd letters.