join
function:
Join all the items in the list into a String. If list have non string items, it will return nuthing. If the second argument is ommited, the items will be seperated by comma.
Examples:
- running:
(join ["one", "two", "three"])
will give:"one, two, three"
- running:
(join ["one", "two", "three"], " ; ")
will give:"one ; two ; three"
- running:
(join ["one", "two", 3])
will return nothing