      "\n",
      "\n",
      "class TestSortStack(object):\n",
      "\n",
      "    def get_sorted_stack(self, numbers):\n",
      "        stack = MyStack()\n",
      "        for x in numbers:\n",
      "            stack.push(x)\n",
      "        sorted_stack = stack.sort()\n",
      "        return sorted_stack\n",
      "\n",
 
</s> remove     "    def get_sorted_stack(self, numbers):\n",
    "        stack = MyStack()\n",
 </s> add     "    def get_sorted_stack(self, stack, numbers):\n", </s> remove     "    def test_sort_stack(self):\n",
 </s> add     "    def test_sort_stack(self, stack):\n", </s> remove     "    def test_sort_stack(self):\n",
 </s> add     "    def test_sort_stack(self, stack):\n", </s> remove     "        sorted_stack = self.get_sorted_stack(numbers)\n",
 </s> add     "        sorted_stack = self.get_sorted_stack(stack, numbers)\n", </s> remove     "        sorted_stack = self.get_sorted_stack(numbers)\n",
 </s> add     "        sorted_stack = self.get_sorted_stack(stack, numbers)\n",
    "    def get_sorted_stack(self, stack, numbers):\n",
      "\n",
      "\n",
      "class TestSortStack(object):\n",
      "\n",
    "    def get_sorted_stack(self, stack, numbers):\n",
    "    def get_sorted_stack(self, stack, numbers):\n",
      "        for x in numbers:\n",
      "            stack.push(x)\n",
      "        sorted_stack = stack.sort()\n",
      "        return sorted_stack\n",
      "\n",
keep keep keep keep replace replace keep keep keep keep keep
 Add intermediate sort stack solution and test 
stacks_queues/sort_stack/sort_stack_challenge.ipynb