Two reasons for submitting:

1. This solution worked for me. Was this the best solution to the problem?

2. Looking online, I could not find a solution. The code and following discussion...

Nice question. At first glance my answer would have been 5, but as this was not an option, I had to review the question.

I think more people would have been...

The value in the question has now been changed to -1.

This would mean that the answer should be -1, -2, -3

But I have answered -1, 0, 1 and it says...

😀

and again

We can all see that to get the answer specified, the question should have read -1 and not 1. Does this really need to be repeated again?