user=> (rand-int 30) 10 user=> (rand-int 30) 7 ;compare with user=> (int (rand 30))
user=> (rand-int 30) 10 user=> (rand-int 30) 7 ;compare with user=> (int (rand 30))
user=> (rand-int 30) 10 user=> (rand-int 30) 7
(rand-int 30) ; => 10 (rand-int 30) ; => 7