text: from fizzbuzz import fizzbuzz
  import pytest
  
  @pytest.mark.parametrize("arg, ret", [
      (1, 1),
      (2, 2),
      (3, 'Fizz'),
      (4, 4),
      (5, 'Buzz'),
      (6, 'Fizz'),
      (7, 7),
      (8, 8),
      (9, 'Fizz'),
      (10, 'Buzz'),
      (11, 11),
      (12, 'Fizz'),
      (13, 13),
      (14, 14),
      (15, 'Fizz Buzz'),
      (16, 16),
  ])
  
  def test_fizzbuzz(arg, ret):
      assert fizzbuzz(arg) == ret