      "        stacks.push(1, 3)\n",
      "        stacks.push(2, 4)\n",
      "\n",
      "        print('Test: Pop on non-empty stack')\n",
      "        assert_equal(stacks.pop(0), 2)\n",
      "        assert_equal(stacks.pop(0), 1)\n",
      "        assert_equal(stacks.pop(1), 3)\n",
      "        assert_equal(stacks.pop(2), 4)\n",
      "\n",
      "        print('Success: test_stacks\\n')\n",
      "\n",
      "\n",
      "def main():\n",
 
</s>
    "        self.assertEqual(stacks.pop(0), 2)\n",
    "        self.assertEqual(stacks.pop(0), 1)\n",
    "        self.assertEqual(stacks.pop(1), 3)\n",
    "        self.assertEqual(stacks.pop(2), 4)\n",
      "        stacks.push(1, 3)\n",
      "        stacks.push(2, 4)\n",
      "\n",
      "        print('Test: Pop on non-empty stack')\n",
    "        self.assertEqual(stacks.pop(0), 2)\n",
    "        self.assertEqual(stacks.pop(0), 1)\n",
    "        self.assertEqual(stacks.pop(1), 3)\n",
    "        self.assertEqual(stacks.pop(2), 4)\n",
    "        self.assertEqual(stacks.pop(0), 2)\n",
    "        self.assertEqual(stacks.pop(0), 1)\n",
    "        self.assertEqual(stacks.pop(1), 3)\n",
    "        self.assertEqual(stacks.pop(2), 4)\n",
    "        self.assertEqual(stacks.pop(0), 2)\n",
    "        self.assertEqual(stacks.pop(0), 1)\n",
    "        self.assertEqual(stacks.pop(1), 3)\n",
    "        self.assertEqual(stacks.pop(2), 4)\n",
    "        self.assertEqual(stacks.pop(0), 2)\n",
    "        self.assertEqual(stacks.pop(0), 1)\n",
    "        self.assertEqual(stacks.pop(1), 3)\n",
    "        self.assertEqual(stacks.pop(2), 4)\n",
      "\n",
      "        print('Success: test_stacks\\n')\n",
      "\n",
      "\n",
      "def main():\n",
keep keep keep keep replace replace replace replace keep keep keep keep keep
 #273: Remove nose dependency for stacks_queues/ (#276)
stacks_queues/n_stacks/n_stacks_solution.ipynb