{
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  {
   "cell_type": "markdown",
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   "metadata": {},
   "source": [
    "# 11-24 · Отладка коллекций\n",
    "\n",
    "Практика к разделу [«Отладка коллекций: 14 типичных ошибок»](../../site/chapters/glava-11/11-24-debugging-kollekcij.html)."
   ]
  },
  {
   "cell_type": "markdown",
   "id": "4837d336",
   "metadata": {},
   "source": [
    "## Цель\n",
    "\n",
    "Найти и исправить типичные ошибки в коде с коллекциями."
   ]
  },
  {
   "cell_type": "markdown",
   "id": "a295fe9a",
   "metadata": {},
   "source": [
    "## Сломанный код (не выполняем)\n",
    "\n",
    "```python\n",
    "tovary = [\"хлеб\"]\n",
    "tovary.append([\"молоко\", \"яйца\"])   # баг: список внутри списка\n",
    "```"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "03ea303b",
   "metadata": {},
   "source": [
    "## Задание ★ Базовая практика — исправьте append() → extend()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "59470080",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2026-08-17T14:44:57.456502Z",
     "iopub.status.busy": "2026-08-17T14:44:57.456326Z",
     "iopub.status.idle": "2026-08-17T14:44:57.472932Z",
     "shell.execute_reply": "2026-08-17T14:44:57.472469Z"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "['хлеб', 'молоко', 'яйца']\n"
     ]
    }
   ],
   "source": [
    "tovary = [\"хлеб\"]\n",
    "tovary.extend([\"молоко\", \"яйца\"])\n",
    "print(tovary)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "9c35c5d6",
   "metadata": {},
   "source": [
    "## Задание ★★ Самостоятельная задача — исправьте потерю списка через `x = x.sort()`"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "74c27469",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2026-08-17T14:44:57.474025Z",
     "iopub.status.busy": "2026-08-17T14:44:57.473900Z",
     "iopub.status.idle": "2026-08-17T14:44:57.476261Z",
     "shell.execute_reply": "2026-08-17T14:44:57.475818Z"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[1, 3, 4, 5]\n"
     ]
    }
   ],
   "source": [
    "chisla = [5, 3, 1, 4]\n",
    "chisla.sort()\n",
    "print(chisla)"
   ]
  }
 ],
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