Drill 22: Explain each line — JSON and data

const profile = {
  name: "Amina",
  age: 28,
  hobbies: ["reading", "cycling"],
  address: { city: "Cairo", country: "Egypt" }
};

const text = JSON.stringify(profile);
console.log(text);

const restored = JSON.parse(text);
console.log(restored.address.city);

try {
  JSON.parse("this is not json");
} catch (err) {
  console.log("Invalid JSON caught");
}