input: 
  def print_alphabetical_order(strings: List[str]) -> None:
      """Given a list of strings, sorts them in alphabetical order and prints each string.
      >>> print_alphabetical_order(['cat', 'dog', 'apple', 'banana'])
      apple
      banana
      cat
      dog
      """
  
output:     sorted_strings = sorted(strings)
      for s in sorted_strings:
          print(s)