I'm learning currently R. But my solution for the Code Project in the chapter "Programming in R" does not Work. Why so?

Question

https://code.sololearn.com/cQZGZXwQ0DeU/?ref=app

Answer 1

You seem to have put a character that cannot be displayed in line 4. Remove it.

Answer 2

Change line 8 to
res <- res + n

Answer 3

Thanks for your input. I tried both of your ideas, but it still doesn't work. Anyone more ideas?

Answer 4

Yeah... Now it works. Many Thanks to everybody, especially to Lisa