{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "1af612cd",
   "metadata": {},
   "source": [
    "# 06-06 · Случайные точки на экране\n",
    "\n",
    "Практика к разделу [«Переходим к случайным точкам на экране»](../../site/chapters/glava-06/06-06-sluchaynye-tochki.html)."
   ]
  },
  {
   "cell_type": "markdown",
   "id": "26aa1fe5",
   "metadata": {},
   "source": [
    "## Цель\n",
    "\n",
    "Освоить `goto()`, `penup()`/`pendown()` вместе со случайными числами."
   ]
  },
  {
   "cell_type": "markdown",
   "id": "29eb94db",
   "metadata": {},
   "source": [
    "## Настройка (выполнить один раз)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "13ff5545",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2026-08-14T20:52:37.296711Z",
     "iopub.status.busy": "2026-08-14T20:52:37.296583Z",
     "iopub.status.idle": "2026-08-14T20:52:37.469714Z",
     "shell.execute_reply": "2026-08-14T20:52:37.469292Z"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Окно Turtle готово.\n"
     ]
    }
   ],
   "source": [
    "import turtle\n",
    "\n",
    "screen = turtle.Screen()\n",
    "artist = turtle.Turtle()\n",
    "artist.speed(0)\n",
    "print(\"Окно Turtle готово.\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "deaa60bb",
   "metadata": {},
   "source": [
    "## Рабочий пример"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "6bb50c4c",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2026-08-14T20:52:37.471006Z",
     "iopub.status.busy": "2026-08-14T20:52:37.470828Z",
     "iopub.status.idle": "2026-08-14T20:52:39.357992Z",
     "shell.execute_reply": "2026-08-14T20:52:39.357550Z"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "10 точек нарисовано.\n"
     ]
    }
   ],
   "source": [
    "import random\n",
    "\n",
    "artist.reset()\n",
    "artist.penup()\n",
    "for _ in range(10):\n",
    "    x = random.randint(-200, 200)\n",
    "    y = random.randint(-150, 150)\n",
    "    artist.goto(x, y)\n",
    "    artist.pendown()\n",
    "    artist.dot(10)\n",
    "    artist.penup()\n",
    "print(\"10 точек нарисовано.\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "250c1c8a",
   "metadata": {},
   "source": [
    "## Эксперимент 1\n",
    "\n",
    "Что произойдёт, если убрать `penup()`/`pendown()`? Проверьте — чем это отличается от точек выше?"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "4ddd5899",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2026-08-14T20:52:39.359667Z",
     "iopub.status.busy": "2026-08-14T20:52:39.359481Z",
     "iopub.status.idle": "2026-08-14T20:52:41.044093Z",
     "shell.execute_reply": "2026-08-14T20:52:41.043558Z"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "На этот раз получились линии, а не отдельные точки.\n"
     ]
    }
   ],
   "source": [
    "import random\n",
    "\n",
    "artist.reset()\n",
    "for _ in range(10):\n",
    "    x = random.randint(-200, 200)\n",
    "    y = random.randint(-150, 150)\n",
    "    artist.goto(x, y)   # без penup — линия рисуется при каждом переходе\n",
    "print(\"На этот раз получились линии, а не отдельные точки.\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "e122719a",
   "metadata": {},
   "source": [
    "## Эксперимент 2\n",
    "\n",
    "Попробуйте разные размеры точек через `artist.dot(размер)`."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "3ea83693",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2026-08-14T20:52:41.045108Z",
     "iopub.status.busy": "2026-08-14T20:52:41.044995Z",
     "iopub.status.idle": "2026-08-14T20:52:41.577118Z",
     "shell.execute_reply": "2026-08-14T20:52:41.576593Z"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Точки трёх разных размеров нарисованы.\n"
     ]
    }
   ],
   "source": [
    "import random\n",
    "\n",
    "artist.reset()\n",
    "artist.penup()\n",
    "for размер in [5, 15, 25]:\n",
    "    x = random.randint(-150, 150)\n",
    "    y = random.randint(-100, 100)\n",
    "    artist.goto(x, y)\n",
    "    artist.dot(размер)\n",
    "print(\"Точки трёх разных размеров нарисованы.\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "b95c1788",
   "metadata": {},
   "source": [
    "## Задание ★ Базовая практика\n",
    "\n",
    "Нарисуйте 5 случайных точек, но так, чтобы все они были в правой половине экрана (x > 0)."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "dbcea4bb",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2026-08-14T20:52:41.578316Z",
     "iopub.status.busy": "2026-08-14T20:52:41.578195Z",
     "iopub.status.idle": "2026-08-14T20:52:42.369379Z",
     "shell.execute_reply": "2026-08-14T20:52:42.368926Z"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Готово — все точки справа от центра.\n"
     ]
    }
   ],
   "source": [
    "import random\n",
    "\n",
    "artist.reset()\n",
    "artist.penup()\n",
    "for _ in range(5):\n",
    "    x = random.randint(0, 200)\n",
    "    y = random.randint(-150, 150)\n",
    "    artist.goto(x, y)\n",
    "    artist.dot(10)\n",
    "print(\"Готово — все точки справа от центра.\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "7161efef",
   "metadata": {},
   "source": [
    "## Завершение (выполнить один раз, в самом конце)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "d17c4909",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2026-08-14T20:52:42.370452Z",
     "iopub.status.busy": "2026-08-14T20:52:42.370280Z",
     "iopub.status.idle": "2026-08-14T20:52:42.373849Z",
     "shell.execute_reply": "2026-08-14T20:52:42.373304Z"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Окно Turtle закрыто.\n"
     ]
    }
   ],
   "source": [
    "screen.bye()\n",
    "print(\"Окно Turtle закрыто.\")"
   ]
  }
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