{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "from abc import ABC, abstractmethod\n",
    "\n",
    "\n",
    "class Component(ABC):\n",
    "\n",
    "  @abstractmethod\n",
    "  def add_widget(self, widget):\n",
    "    pass\n",
    "\n",
    "\n",
    "class Panel(Component):\n",
    "  def add_widget(self, widget):\n",
    "    # Implementation for adding a widget to a panel\n",
    "    pass\n",
    "\n",
    "\n",
    "class Window(Component):\n",
    "  def add_widget(self, widget):\n",
    "    # Implementation for adding a widget to a window\n",
    "    pass"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "<__main__.Panel at 0x1046cc500>"
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "Panel()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [],
   "source": [
    "Panel().add_widget(None)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
    "from abc import ABC, abstractmethod\n",
    "from typing import Protocol\n",
    "\n",
    "\n",
    "class Component(ABC):\n",
    "\n",
    "  @abstractmethod\n",
    "  def add_widget(self, widget):\n",
    "    pass\n",
    "\n",
    "\n",
    "class GUIComponent(Protocol):\n",
    "  def add_widget(self, widget) -> None:\n",
    "    ...\n",
    "\n",
    "\n",
    "class Panel(Component):\n",
    "  def add_widget(self, widget):\n",
    "    \"\"\"\n",
    "    Adds a widget to the panel.\n",
    "\n",
    "    :param widget: The widget to be added.\n",
    "    \"\"\"\n",
    "    pass\n",
    "\n",
    "\n",
    "class Window(Component):\n",
    "  def add_widget(self, widget):\n",
    "    \"\"\"\n",
    "    Adds a widget to the window.\n",
    "\n",
    "    :param widget: The widget to be added.\n",
    "    \"\"\"\n",
    "    pass\n",
    "\n",
    "\n",
    "def add_to_component(component: GUIComponent, widget):\n",
    "  component.add_widget(widget)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [],
   "source": [
    "add_to_component(Window(), Panel())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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   "codemirror_mode": {
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