Answer 1

In case you're wondering where the first '#x27; came from; look in print() method. There variable <y> is initialized with a '#x27; and each element of array <words> is accumulated in <y> with a '#x27; on its end.

Answer 2

Code works without any issue, then I'm not sure what the problem is. The output already have the $ in the beginning, in between, and at the end of the output string. What was your doubt again?