FizzBuzz refactored code

fizzbuzz.rb

def fizzbuzz(start, finish)
  start = start.to_i
  finish = finish.to_i
  range = (start..finish)

  for num in range
    puts "FIZZBUZZ #{num}" if (num % 3==0)&&(num % 5==0)
    puts "FIZZ #{num}" if num % 3==0
    puts "BUZZ #{num} " if num % 5==0 
    puts num if (num % 3!=0)&&(num % 5!=0)
  end
end

fizzbuzz("1","10")
fizzbuzz(50, 200)
fizzbuzz(-20, 20)