      "# %load test_coin_change_ways.py\n",
      "from nose.tools import assert_equal\n",
      "\n",
      "\n",
      "class Challenge(object):\n",
      "\n",
      "    def test_coin_change_ways(self,solution):\n",
      "        assert_equal(solution(0, [1, 2]), 0)\n",
      "        assert_equal(solution(100, [1, 2, 3]), 884)\n",
      "        assert_equal(solution(1000, range(1, 101)), \n",
 
</s> remove     "class Challenge(object):\n",
 </s> add     "class Challenge(unittest.TestCase):\n", </s> remove     "        assert_equal(solution(0, [1, 2]), 0)\n",
    "        assert_equal(solution(100, [1, 2, 3]), 884)\n",
    "        assert_equal(solution(1000, range(1, 101)), \n",
 </s> add     "        self.assertEqual(solution(0, [1, 2]), 0)\n",
    "        self.assertEqual(solution(100, [1, 2, 3]), 884)\n",
    "        self.assertEqual(solution(1000, range(1, 101)), \n", </s> remove     "        assert_equal(solution(0, [1, 2]), 0)\n",
    "        assert_equal(solution(100, [1, 2, 3]), 884)\n",
    "        assert_equal(solution(1000, range(1, 101)), \n",
 </s> add     "        self.assertEqual(solution(0, [1, 2]), 0)\n",
    "        self.assertEqual(solution(100, [1, 2, 3]), 884)\n",
    "        self.assertEqual(solution(1000, range(1, 101)), \n", </s> remove         assert_equal(solution(0, [1, 2]), 0)
        assert_equal(solution(100, [1, 2, 3]), 884)
        assert_equal(solution(1000, range(1, 101)), 15658181104580771094597751280645)
 </s> add         self.assertEqual(solution(0, [1, 2]), 0)
        self.assertEqual(solution(100, [1, 2, 3]), 884)
        self.assertEqual(solution(1000, range(1, 101)), 
                     15658181104580771094597751280645) </s> remove class Challenge(object):
 </s> add class Challenge(unittest.TestCase):
    "class Challenge(unittest.TestCase):\n",
      "# %load test_coin_change_ways.py\n",
      "from nose.tools import assert_equal\n",
      "\n",
      "\n",
    "class Challenge(unittest.TestCase):\n",
      "\n",
      "    def test_coin_change_ways(self,solution):\n",
      "        assert_equal(solution(0, [1, 2]), 0)\n",
      "        assert_equal(solution(100, [1, 2, 3]), 884)\n",
      "        assert_equal(solution(1000, range(1, 101)), \n",
keep keep keep keep replace keep keep keep keep keep
 #273: Remove nose dependency for recursion_dynamic/ (#280) 
recursion_dynamic/coin_change_ways/coin_change_ways_challenge.ipynb