input: Write a python function to sort a list of words in lexicographic order.
  assert sort_words(["apple", "bike", "dog", "cat"]) == ["apple", "bike", "cat", "dog"]
  assert sort_words(["banana", "apple", "grape", "cherry"]) == ["apple", "banana", "cherry", "grape"]
  assert sort_words(["zebra", "elephant", "monkey", "antelope"]) == ["antelope", "elephant", "monkey", "zebra"]
output: def sort_words(words):
      return sorted(words)