Structure and Interpretation of Computer Programs Example BiwaSchema (define (fizzbuzz x y) (print (cond (( = (mod x 15) 0 ) "FizzBuzz") (( = (mod x 3) 0 ) "Fizz") (( = (mod x 5) 0 ) "Buzz") (else x))) (if (< x y) (fizzbuzz (+ x 1) y))) (fizzbuzz 1 10) @BiwaScheme.eval