input: Write a python function to sort a list of words alphabetically.
  assert sort_words(["blue", "red", "green", "yellow"]) == ["blue", "green", "red", "yellow"]
  assert sort_words(["apple", "banana", "cherry", "date"]) == ["apple", "banana", "cherry", "date"]
  assert sort_words(["zebra", "elephant", "dog", "cat"]) == ["cat", "dog", "elephant", "zebra"]
output: def sort_words(words):
      return sorted(words)