{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "4d0c1906",
   "metadata": {},
   "source": [
    "# 15-05 · Файл, папка и файловая система\n",
    "\n",
    "Практика к разделу [«Файл, папка и файловая система»](../../site/chapters/glava-15/15-05-fajl-i-papka.html)."
   ]
  },
  {
   "cell_type": "markdown",
   "id": "3a35ce5b",
   "metadata": {},
   "source": [
    "## Цель\n",
    "\n",
    "Различать файлы и папки на реальном маленьком дереве."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "245f6852",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2026-08-18T15:52:51.468476Z",
     "iopub.status.busy": "2026-08-18T15:52:51.468373Z",
     "iopub.status.idle": "2026-08-18T15:52:51.484219Z",
     "shell.execute_reply": "2026-08-18T15:52:51.483782Z"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Дерево проекта готово.\n"
     ]
    }
   ],
   "source": [
    "from pathlib import Path\n",
    "\n",
    "Path(\"proekt/data\").mkdir(parents=True, exist_ok=True)\n",
    "Path(\"proekt/data/scores.txt\").write_text(\"100\\n\", encoding=\"utf-8\")\n",
    "Path(\"proekt/README.md\").write_text(\"readme\", encoding=\"utf-8\")\n",
    "print(\"Дерево проекта готово.\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "d64ea61d",
   "metadata": {},
   "source": [
    "## Рабочий пример"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "27b5a140",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2026-08-18T15:52:51.485540Z",
     "iopub.status.busy": "2026-08-18T15:52:51.485373Z",
     "iopub.status.idle": "2026-08-18T15:52:51.495014Z",
     "shell.execute_reply": "2026-08-18T15:52:51.494538Z"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "True\n",
      "True\n"
     ]
    }
   ],
   "source": [
    "from pathlib import Path\n",
    "\n",
    "papka = Path(\"proekt/data\")\n",
    "fajl = Path(\"proekt/data/scores.txt\")\n",
    "print(papka.is_dir())\n",
    "print(fajl.is_file())"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "b41c7420",
   "metadata": {},
   "source": [
    "## Задание ★ Базовая практика\n",
    "\n",
    "Создайте папку `proekt/assets` с одним файлом внутри и посчитайте, сколько элементов лежит непосредственно в `proekt/`."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "f18b1462",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2026-08-18T15:52:51.496168Z",
     "iopub.status.busy": "2026-08-18T15:52:51.496051Z",
     "iopub.status.idle": "2026-08-18T15:52:51.498775Z",
     "shell.execute_reply": "2026-08-18T15:52:51.498343Z"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "3\n"
     ]
    }
   ],
   "source": [
    "from pathlib import Path\n",
    "\n",
    "Path(\"proekt/assets\").mkdir(exist_ok=True)\n",
    "Path(\"proekt/assets/logo.txt\").write_text(\"logo\", encoding=\"utf-8\")\n",
    "\n",
    "total_items = len(list(Path(\"proekt\").iterdir()))\n",
    "print(total_items)"
   ]
  }
 ],
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