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   "source": [
    "# 13-23 · Debug Lab — функции\n",
    "\n",
    "Практика к разделу [«Debug Lab: типичные ошибки функций»](../../site/chapters/glava-13/13-23-debug-lab-funkcii.html)."
   ]
  },
  {
   "cell_type": "markdown",
   "id": "0d8925bf",
   "metadata": {},
   "source": [
    "## Цель\n",
    "\n",
    "Исправить непокрытый путь return и return внутри цикла на первой итерации."
   ]
  },
  {
   "cell_type": "markdown",
   "id": "17464c9c",
   "metadata": {},
   "source": [
    "## Задание ★ Базовая практика — исправленные версии"
   ]
  },
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   "id": "b3280008",
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   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "negative zero True False\n"
     ]
    }
   ],
   "source": [
    "def sign(number):\n",
    "    if number > 0:\n",
    "        return \"positive\"\n",
    "    elif number < 0:\n",
    "        return \"negative\"\n",
    "    else:\n",
    "        return \"zero\"\n",
    "\n",
    "def contains_even(numbers):\n",
    "    for n in numbers:\n",
    "        if n % 2 == 0:\n",
    "            return True\n",
    "    return False\n",
    "\n",
    "s1 = sign(-5)\n",
    "s2 = sign(0)\n",
    "c1 = contains_even([1, 3, 5, 6])\n",
    "c2 = contains_even([1, 3, 5])\n",
    "print(s1, s2, c1, c2)"
   ]
  }
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