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1import { useState } from 'react';23export default function Website() {4  const [page, setPage] = useState('Início');5  const pages = ['Início', 'Serviços', 'Contato'];67  return (8    <main>9      <nav>{pages.map(name => (10        <button key={name}11          onClick={() => setPage(name)}>12          {name}13        </button>14      ))}</nav>15      <h1>{page}</h1>16    </main>17  );18}

1type Ticket = {2  id: string;3  title: string;4  status: 'open' | 'closed';5};67const tickets = new Map<string, Ticket>();89function createTicket(title: string) {10  const ticket: Ticket = {11    id: crypto.randomUUID(),12    title,13    status: 'open'14  };15  tickets.set(ticket.id, ticket);16  return ticket;17}1819function closeTicket(id: string) {20  const ticket = tickets.get(id);21  if (ticket) ticket.status = 'closed';22}

1import json2from pathlib import Path345def process_records(text: str) -> list:6    rows = text.splitlines()7    names = dict.fromkeys(8        row.strip() for row in rows9        if row.strip()10    )11    return [12        {"id": index, "name": name}13        for index, name in enumerate(names, 1)14    ]151617records = process_records("Ana\nBruno\nAna")18Path("records.json").write_text(19    json.dumps(records, ensure_ascii=False, indent=2),20    encoding="utf-8"21)

1type Task = { title: string; done: boolean };23function saveTasks(tasks: Task[]) {4  localStorage.setItem('tasks', JSON.stringify(tasks));5}67function loadTasks(): Task[] {8  return JSON.parse(localStorage.getItem('tasks') || '[]');9}1011function getOverview(tasks: Task[]) {12  return {13    total: tasks.length,14    open: tasks.filter(task => !task.done).length,15    completed: tasks.filter(task => task.done).length16  };17}1819const tasks = loadTasks();20console.log(getOverview(tasks));