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   "source": [
    "# 13-14 · Keyword-only параметры\n",
    "\n",
    "Практика к разделу [«Positional-only и keyword-only»](../../site/chapters/glava-13/13-14-positional-only-keyword-only.html)."
   ]
  },
  {
   "cell_type": "markdown",
   "id": "74bc1416",
   "metadata": {},
   "source": [
    "## Цель\n",
    "\n",
    "Создать функцию с keyword-only параметром и проверить, что позиционный вызов для него запрещён."
   ]
  },
  {
   "cell_type": "markdown",
   "id": "e9289f22",
   "metadata": {},
   "source": [
    "## Задание ★ Базовая практика"
   ]
  },
  {
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   "id": "4180b4fa",
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     "iopub.status.idle": "2026-08-17T18:53:59.292947Z",
     "shell.execute_reply": "2026-08-17T18:53:59.292525Z"
    }
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   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "10x20 blue 10x20 red True\n"
     ]
    }
   ],
   "source": [
    "def draw_rectangle(width, height, *, color=\"blue\"):\n",
    "    return f\"{width}x{height} {color}\"\n",
    "\n",
    "r1 = draw_rectangle(10, 20)\n",
    "r2 = draw_rectangle(10, 20, color=\"red\")\n",
    "\n",
    "try:\n",
    "    draw_rectangle(10, 20, \"red\")\n",
    "    keyword_only_enforced = False\n",
    "except TypeError:\n",
    "    keyword_only_enforced = True\n",
    "\n",
    "print(r1, r2, keyword_only_enforced)"
   ]
  }
 ],
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