      "        linked_list = LinkedList(head)\n",
      "        linked_list.insert_to_front('a')\n",
      "        linked_list.insert_to_front('bc')\n",
      "        node = linked_list.find('a')\n",
      "        assert_equal(str(node), 'a')\n",
      "\n",
      "        print('Test: find general case with no matches')\n",
      "        node = linked_list.find('aaa')\n",
      "        assert_equal(node, None)\n",
      "\n",
 
</s> remove     "        assert_equal(str(node), 'a')\n",
 </s> add     "        self.assertEqual(str(node), 'a')\n", </s> remove     "        assert_equal(node, None)\n",
 </s> add     "        self.assertEqual(node, None)\n", </s> remove     "        assert_equal(node, None)\n",
 </s> add     "        self.assertEqual(node, None)\n", </s> remove     "        assert_equal(node, None)\n",
 </s> add     "        self.assertEqual(node, None)\n", </s> remove     "        assert_equal(node, None)\n",
 </s> add     "        self.assertEqual(node, None)\n",
    "        self.assertEqual(str(node), 'a')\n",
      "        linked_list = LinkedList(head)\n",
      "        linked_list.insert_to_front('a')\n",
      "        linked_list.insert_to_front('bc')\n",
      "        node = linked_list.find('a')\n",
    "        self.assertEqual(str(node), 'a')\n",
      "\n",
      "        print('Test: find general case with no matches')\n",
      "        node = linked_list.find('aaa')\n",
      "        assert_equal(node, None)\n",
      "\n",
keep keep keep keep replace keep keep keep keep keep
 #273: Remove nose dependency for linked_lists/ (#275) 
linked_lists/linked_list/linked_list_challenge.ipynb