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