drop
drops the first elements of a sequence
Usage:
(drop count seq)
Return a lazy sequence that excludes the first count elements of the provided sequence. If the source sequence is shorter than the requested count, an empty list will be returned.
An Example
(define x '(1 2 3 4))
(define y [5 6 7 8])
(drop 3 (concat x y))
This example will return the lazy sequence (4 5 6 7 8).