—2. Variables: val and varLOCKED
—3. Basic Types and Type ConversionLOCKED
—4. Strings and String TemplatesLOCKED
Module 2 · Control Flow
—5. if as an ExpressionLOCKED
—6. when: Expression and StatementLOCKED
—7. for Loops and RangesLOCKED
—8. while, do-while and LabelsLOCKED
Module 3 · Functions
—9. Functions: BasicsLOCKED
—10. Default Parameters and Named ArgumentsLOCKED
Module 4 · Null Safety
—11. Nullable Types and Smart CastsLOCKED
—12. Safe Calls, Elvis Operator and !!LOCKED
Module 5 · Input/Output & Practice
—13. Reading Input: readln()LOCKED
—14. Mini Project: Order CalculatorLOCKED