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+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "id": "6d37ef1e",
+   "metadata": {},
+   "source": [
+    "Задача 1. Список таблиц для обработки\n",
+    "Напиши функцию process_tables, которая принимает любое количество названий таблиц через *args.\n",
+    "Функция должна:\n",
+    "    вывести строку \"Начинаем обработку\";\n",
+    "    затем для каждой таблицы вывести:\n",
+    "\n",
+    "Обрабатываем таблицу: users"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 10,
+   "id": "e10a9075",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Начинаем обработку\n",
+      "Обрабатываем таблицу: users\n",
+      "Обрабатываем таблицу: orders\n"
+     ]
+    }
+   ],
+   "source": [
+    "def process_tables(*args):\n",
+    "    print(\"Начинаем обработку\")\n",
+    "    for table in args:\n",
+    "        print(f\"Обрабатываем таблицу: {table}\")\n",
+    "\n",
+    "process_tables(\"users\", \"orders\")"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "1b0576ec",
+   "metadata": {},
+   "source": [
+    "Задача2. Напиши функцию build_select_query, которая принимает:\n",
+    "    table_name\n",
+    "    любое количество колонок через args\n",
+    "Логика:\n",
+    "если колонки не переданы, вернуть:\n",
+    "\n",
+    "    SELECT * FROM users\n",
+    "\n",
+    "если колонки переданы, вернуть:\n",
+    "    \n",
+    "    SELECT id,name,email FROM users"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 25,
+   "id": "5dfaa1e0",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "SELECT id, name FROM users\n"
+     ]
+    }
+   ],
+   "source": [
+    "def build_select_query(table_name, *args):\n",
+    "    if args:\n",
+    "        arg = \", \".join(args)\n",
+    "    else:\n",
+    "        arg = \"*\"\n",
+    "    return f\"SELECT {arg} FROM {table_name}\"\n",
+    "print(build_select_query(\"users\", \"id\", \"name\"))"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "a95cdb0a",
+   "metadata": {},
+   "source": [
+    "Задача 3. Напиши функцию create_connection_config, которая принимает:\n",
+    "    connection_name\n",
+    "    любое количество именованных параметров через *kwargs\n",
+    "Функция должна вернуть словарь вида:\n",
+    "\n",
+    "    {\n",
+    "    \"connection_name\":\"source_pg\",\n",
+    "    \"settings\": {\n",
+    "    \"host\":\"localhost\",\n",
+    "    \"port\":5432,\n",
+    "    \"user\":\"etl_user\"\n",
+    "        }\n",
+    "    }"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 37,
+   "id": "69c1b275",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'connection_name': 'source_pg', 'settings': {'host': 'localhost', 'port': 5432, 'user': 'etl_user'}}\n"
+     ]
+    }
+   ],
+   "source": [
+    "def create_coonnection_config(connection_name, **kwargs):\n",
+    "    config = {\n",
+    "        \"connection_name\" : connection_name,\n",
+    "        \"settings\" : kwargs\n",
+    "    }\n",
+    "    return config\n",
+    "result = create_connection_config(\"source_pg\",host=\"localhost\",port=5432,user=\"etl_user\")\n",
+    "print(result)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "ce6811bd",
+   "metadata": {},
+   "source": [
+    "Задача 4. Запуск ETL-задачи\n",
+    "Напиши функцию run_etl_task, которая принимает:\n",
+    "    task_name\n",
+    "    любое количество колонок через args\n",
+    "    любое количество опций через *kwargs\n",
+    "Логика:\n",
+    "    вывести имя задачи;\n",
+    "    вывести список колонок;\n",
+    "    вывести словарь с опциями.\n",
+    "Пример:\n",
+    "\n",
+    "    run_etl_task(\n",
+    "    \"load_users\",\n",
+    "    \"id\",\"name\",\"email\",\n",
+    "    source=\"s3\",\n",
+    "    target=\"greenplum\",\n",
+    "    mode=\"append\",\n",
+    "    retries=3\n",
+    "    )"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 40,
+   "id": "bd011ce6",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['load_users', ('id', 'name', 'email'), {'source': 's3', 'target': 'greenplum', 'mode': 'append', 'retries': 3}]\n"
+     ]
+    }
+   ],
+   "source": [
+    "def run_etl_task(tsk_name, *args, **kwargs):\n",
+    "    config = [tsk_name, args, kwargs]\n",
+    "    return config\n",
+    "print(run_etl_task(\"load_users\", \"id\",\"name\",\"email\", source=\"s3\", target=\"greenplum\", mode=\"append\", retries=3))"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.13.7"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}