Practice with interactive exercises and focused coding challenges. Activities that do not yet support automatic scoring are clearly marked as practice-only.
Practice data entry, formulas, functions, lookups, dynamic arrays and more in BrounStack's existing spreadsheet workspace. The authenticated Excel Lab includes answer checking and challenge progress; lesson-specific practice also connects from the Excel tutorial.
Solve focused Python challenges with starter code and run sample tests directly in BrounStack. Automatic submission and saved completion will be added in a future update.
6 preview challenges
Work with strings, loops or built-in methods to return text in reverse order.
Practice-only · sample checkingPractice arrays and data handling by producing a list that contains unique values only.
Practice-only · sample checkingUse conditions, iteration or Python helpers to identify the largest value in a collection.
Practice-only · sample checkingPractice semantic markup, spacing and responsive styling with a compact UI component.
Practice-only · sample checkingConnect operators, functions and input validation to model a small calculator.
Practice-only · sample checkingCombine state changes, CRUD-style operations and filtering into a larger practice challenge.
Practice-only · sample checking