I had the same problem. The problem is with the range(1,10) bit.
If you replace that with list(range(1,10)) or [1,2,3,4,5,6,7,8,9] it should work!

Hi! one_two function already defined in a global scope.
You won't need to receive any arguments. You can just call one_two from one_two_three

I don't think that you need one_two function. The instructions are a bit misleading.

As you can see the initial code only requires the one_two_three function without passing any argument.

3rd row of test cases: "count = Counter(one_two_three() for _ in range(length))"

I've checked your solution. Add print term after term = word.split('ltr').

When you don't know what's happening, you just print everything.

Have you taken into account that CodeWars console is HTML and the output could look different because of this?
I suggest using hexlified output or <pre> tags in prints to make sure that what you see in the print is exactly what you printed.