input: def print_cube(number: int) -> None:
      """ This function takes an integer input from the user and prints its cube.
      >>> print_cube(3)
      The cube of the number is: 27
      >>> print_cube(5)
      The cube of the number is: 125
      """
      cube = number**3
      print("The cube of the number is: " + str(cube))
output:     cube = number**3
      print("The cube of the number is: " + str(cube))