(println (range 10))
(println (range -5 5))
;; A lazy sequence of all fibonacci numbers.
(def fibs
(lazy-cat [0 1] (map + (rest fibs) fibs)))
(println (take 10 fibs))
KHByaW50bG4gKHJhbmdlIDEwKSkKCihwcmludGxuIChyYW5nZSAtNSA1KSkKCjs7IEEgbGF6eSBzZXF1ZW5jZSBvZiBhbGwgZmlib25hY2NpIG51bWJlcnMuCihkZWYgZmlicwogICAgIChsYXp5LWNhdCBbMCAxXSAobWFwICsgKHJlc3QgZmlicykgZmlicykpKQoKKHByaW50bG4gKHRha2UgMTAgZmlicykp