      "\n",
      "    def test_queue_from_stacks(self):\n",
      "        print('Test: Dequeue on empty stack')\n",
      "        queue = QueueFromStacks()\n",
      "        assert_equal(queue.dequeue(), None)\n",
      "\n",
      "        print('Test: Enqueue on empty stack')\n",
      "        print('Test: Enqueue on non-empty stack')\n",
      "        print('Test: Multiple enqueue in a row')\n",
      "        num_items = 3\n",
 
</s>
    "        self.assertEqual(queue.dequeue(), None)\n",
      "\n",
      "    def test_queue_from_stacks(self):\n",
      "        print('Test: Dequeue on empty stack')\n",
      "        queue = QueueFromStacks()\n",
    "        self.assertEqual(queue.dequeue(), None)\n",
      "\n",
      "        print('Test: Enqueue on empty stack')\n",
      "        print('Test: Enqueue on non-empty stack')\n",
      "        print('Test: Multiple enqueue in a row')\n",
      "        num_items = 3\n",
keep keep keep keep replace keep keep keep keep keep
 #273: Remove nose dependency for stacks_queues/ (#276)
stacks_queues/queue_from_stacks/queue_from_stacks_solution.ipynb