input: Write a function to sort words in a string alphabetically.
  assert sortString("banana apple cherry") == ['apple', 'banana', 'cherry']
  assert sortString("the quick brown fox jumps over the lazy dog") == ['brown', 'dog', 'fox', 'jumps', 'lazy', 'over', 'quick', 'the', 'the']
  assert sortString("hello world") == ['hello', 'world']
output: def sortString(s):
      return sorted(s.split())