input: Write a function to sort the given list of words in alphabetical order.
  
  def sort_words(words):
      words.sort()
      print(words)
  
  assert sort_words(['bubble', 'selection', 'quicksort', 'insertion'])==['bubble', 'insertion', 'quicksort', 'selection']
  assert sort_words(['apple', 'banana', 'cherry'])==['apple', 'banana', 'cherry']
  assert sort_words(['zebra', 'yak', 'xylophone'])==['xylophone', 'yak', 'zebra']
  assert sort_words([])==[]
  assert sort_words(['one', 'two', 'three'])==['one', 'three', 'two']
output: def sort_words(words):
      return sorted(words)