input: Write a function to take a list of numbers from 1 to 8 and print its cubic values. The function should iterate through the list and print the cubic value of each number.
  assert print_cubed([1, 2, 3, 4, 5, 6, 7, 8])
  
  This function does not return a value but prints the results to the console.
output: def print_cubed(numbers):
      for num in numbers:
          print(num ** 3)