function
(% dividend divisor)
Returns the remainder of dividend / divisor.
(defn fizzbuzz [n]
(cond
(and
(= 0 (% n 3))
(= 0 (% n 5))) "fizzbuzz"
(= 0 (% n 3)) "fizz"
(= 0 (% n 5)) "buzz"
:else n))
(fizzbuzz 1) # 1
(fizzbuzz 3) # "fizz"
(fizzbuzz 5) # "buzz"
(fizzbuzz 15) # "fizzbuzz"