Obsecure problem 2

[pascal111]

On Wednesday, 3 August 2022 at 18:53:35 UTC, jfondren wrote:
> On Wednesday, 3 August 2022 at 18:33:37 UTC, pascal111 wrote:
>> I changed it to "x=notfunny(x);" and has the same result.
>
> Now you are changing the value of the temporary loop variable 
> that is still immediately discarded afterwards.
>
> You should return a new range that has the values you want, not 
> try to mutate the range you're given.

You should provide a code instead of describing my mistakes!!