input: def list_comprehension_squared(numbers: List[int]) -> List[int]:
      """ Given a list of numbers, return a list of the squared values of those numbers.
      >>> list_comprehension_squared([1, 2, 3, 5, 8, 13])
      [1, 4, 9, 25, 64, 169]
      """
output:     return [x**2 for x in numbers]