input: def combine_reverse_strings(words: str, words2: str) -> str:
      """ Combines two strings and reverses the result.
      >>> combine_reverse_strings("Hello ", "world!")
      '!dlrow olleH'
      """
      combined = words + words2
      result = combined[::-1]
      return result
output:     combined = words + words2
      result = combined[::-1]
      return result