input: from typing import List
  
  
  def get_word_lists(strings: List[str]) -> List[List[str]]:
      """ Generate a list of lists of words from a given list of strings.
      Each list within the returned list should contain the words in the order
      they appear in the original string.
      >>> get_word_lists(["Hello world", "This is a test"])
      [["Hello", "world"], ["This", "is", "a", "test"]]
      """
output:     return [s.split() for s in strings]