it asks just what it asks. it does not ask to foresee absence of the "needle"

( ͡° ͜ʖ ͡°)

Not a question. See https://docs.codewars.com/training/troubleshooting#post-discourse.

he may or may not be, but there are others here who came to learn (like me lol), and may think to use it

Yeah your's looks pretty good. Thanks for sharing.

Yes, the use of assignment here is a little bit confusing.

Although it is worth noting, that it is not enough to just change += to +, because the order of operations will be different. There should be parentheses to enclose the second part. That suggests me to believe, that the += operator was used here to omit using parens.

There is also no need to assign the new value to the name variable with +=. Return it without assignment, return name + ....

Why