Pure Ts Tour Fix -

Create src/features/1-basic-types.ts :

src/features/2-arrays-tuples-enums.ts

console.log(greet("Bob")); console.log(add(5, 3)); console.log(sumAll(1, 2, 3, 4)); pure ts tour

// Readonly: immutable const frozen: Readonly<Todo> = title: "Learn TS", description: "Practice", completed: false ; // frozen.completed = true; // Error Create src/features/1-basic-types

let userId: ID = "abc-123";