input: from typing import List
  
  def sort_strings_by_length(words: List[str]) -> List[str]:
      """ Sort a given list of strings based on their length.
      >>> sort_strings_by_length(["Hello", "World!", "Good", "Morning"])
      ["Good", "Hello", "World!", "Morning"]
      """
      words.sort(key=len)
      return words
output:     words.sort(key=len)
      return words