input: Write a python function to print numbers within a given range that are not divisible by 3.
  assert print_numbers(5, 15) == [5, 7, 8, 10, 11, 13, 14]
  assert print_numbers(10, 20) == [10, 11, 13, 14, 16, 17, 19, 20]
  assert print_numbers(1, 9) == [1, 2, 4, 5, 7, 8]
output: def print_numbers(start, end):
      return [i for i in range(start, end + 1) if i % 3 != 0]