recursive_fizz_buz.rb

def fizz_buz(n)
  return if n > 100
  word = if n % 15 == 0
           'fizz buz'
         elsif n % 3 == 0
           'fizz'
         elsif n % 5 == 0
           'buz'
         end
  puts word if word
  fizz_buz(n + 1)
end
fizz_buz(1)