input: from typing import List, Tuple
  
  def combine_and_reverse(words: Tuple[str, str]) -> str:
      """
      Combine 2 strings and reverse the result in Python.
      >>> combine_and_reverse(("Hello ", "world!"))
      '!dlrow olleH'
      """
output:     combined = words[0] + words[1]
      return combined[::-1]