Variables: let and const

What are variables?

Variables are containers for values — you give a value a name so you can reuse it later.

let age = 25
console.log(age)   // 25
age = 26           // changing the value is allowed
console.log(age)   // 26

let vs. const

Use let when the value might change later.
Use const when the value should stay fixed:

const PI = 3.14159
PI = 3  // ❌ Error! const cannot be reassigned

const name = "Alice"
console.log("Hello,", name)  // Hello, Alice

Rule of thumb: Always use const, and switch to let only when you need to reassign the value.

Your task

Create two variables:

• name with your name (or any name)
• age with an age

Then print: My name is [name] and I am [age] years old.