const fs = require('fs');

const data = {
  name: "Ali",
  age: 25,
  skills: ["JavaScript", "Node.js"]
};

fs.writeFile('data.json', JSON.stringify(data, null, 2), (err) => {
  if (err) {
    console.error('Error writing file:', err);
    return;
  }
  console.log('File written successfully');
});