#!/usr/bin/env node

// Block 1: Define some data
const users = ['Alice', 'Bob', 'Charlie'];
console.log('Users:', users);

// Block 2: Use that data
const greeting = users.map(u => `Hello, ${u}!`);
console.log('Greetings:', greeting);

// Block 3: More processing
const summary = {
    count: users.length,
    first: users[0],
    last: users[users.length - 1]
};
console.log('Summary:', JSON.stringify(summary, null, 2));
