input: 
  from typing import List
  
  
  def reverse_words(s: str) -> str:
      """ Reverses the order of words in a given string.
      >>> reverse_words('hello world')
      'world hello'
      >>> reverse_words('Python is awesome')
      'awesome is Python'
      """
      return " ".join(s.split()[::-1])
  
output:     words = s.split()
      reversed_words = words[::-1]
      return " ".join(reversed_words)