input: def print_cubic_values(numbers: List[int]) -> List[int]:
      """ Takes a list of numbers from 1 to 8 and prints its cubic values.
      >>> print_cubic_values([1, 2, 3, 4, 5, 6, 7, 8])
      [1, 8, 27, 64, 125, 216, 343, 512]
      """
output:     return [x ** 3 for x in numbers]