49 lines
1.1 KiB
Plaintext
49 lines
1.1 KiB
Plaintext
{
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"cells": [
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "29468b18-8654-4914-a68e-76c1a7f01c49",
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"metadata": {},
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"outputs": [],
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"source": [
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"from abc import ABC, abstractmethod\n",
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"\n",
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"class Command(ABC):\n",
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" \"\"\"Интерфейс команды (паттерн Command).\"\"\"\n",
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" \n",
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" @abstractmethod\n",
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" def execute(self) -> None:\n",
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" \"\"\"Выполнить команду.\"\"\"\n",
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" pass\n",
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" \n",
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" @abstractmethod\n",
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" def undo(self) -> None:\n",
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" \"\"\"Отменить команду.\"\"\"\n",
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" pass"
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]
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python [conda env:base] *",
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"language": "python",
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"name": "conda-base-py"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.13.9"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 5
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}
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