      "class TestFib(object):\n",
      "    \n",
      "    def test_fib(self, func):\n",
      "        result = []\n",
      "        for i in xrange(num_items):\n",
      "            result.append(func(i))\n",
      "        fib_seq = [0, 1, 1, 2, 3, 5, 8, 13, 21, 34]\n",
      "        assert_equal(result, fib_seq)\n",
      "        print('Success: test_fib')\n",
      "\n",
 
</s> remove     "        for i in xrange(num_items):\n",
 </s> add     "        for i in range(num_items):\n", </s> remove         for i in xrange(num_items):
 </s> add         for i in range(num_items): </s> remove     "        for _ in xrange(num_items):\n",
 </s> add     "        for _ in range(num_items):\n", </s> remove     "        for _ in xrange(num_items):\n",
 </s> add     "        for _ in range(num_items):\n", </s> remove     "    for i in xrange(start + 1, len(data)):\n",
 </s> add     "    for i in range(start + 1, len(data)):\n",
    "        for i in range(num_items):\n",
      "class TestFib(object):\n",
      "    \n",
      "    def test_fib(self, func):\n",
      "        result = []\n",
    "        for i in range(num_items):\n",
      "            result.append(func(i))\n",
      "        fib_seq = [0, 1, 1, 2, 3, 5, 8, 13, 21, 34]\n",
      "        assert_equal(result, fib_seq)\n",
      "        print('Success: test_fib')\n",
      "\n",
keep keep keep keep replace keep keep keep keep keep
 Changed xrange to range to be compatible with Python 3. 
recursion_dynamic/fibonacci/fibonacci_challenge.ipynb