input: def sort_strings(input_list: List[str]) -> None:
      """ Takes a list of strings and prints them in alphabetical order.
      >>> sort_strings(['cat', 'dog', 'apple', 'banana'])
      apple
      banana
      cat
      dog
      """
      input_list.sort()
      for string in input_list:
          print(string)
output:     input_list.sort()
      for string in input_list:
          print(string)