Determine how many items are in that list.
This function returns number of items in list. The number returned is an integer.
Example
Tell me about...
(car list)
(cdr list)
(last list)
(nth integer list)
(reverse list)
(setq symbol1 statement1 [symbol2 statement2] ...)
LISP Compatibility
Programming Overview of LISP (LISt Processing) Language