FizzBuzz Clean

def fizz_buzz(num_start,num_stop)
    num_start.upto(num_stop) { |num|
      puts evaluate(num)
    }
end

  def evaluate(num)
    if div_3?(num) && div_5?(num)
        "FizzBuzz"
      elsif div_5?(num)
        "Buzz"
        elsif div_3?(num)
          "Fizz"
          else
            num
    end
  end

def div_5?(num)
  num % 5 == 0
end

def div_3?(num)
  num % 3 == 0
end

num_start = 60
num_stop = 80
fizz_buzz(num_start, num_stop)