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