Live Code playground · answers checked instantly
Write code. Run it. Get it checked.
Practise interview-style problems in HTML/CSS/JS, JavaScript, SQL and Python — right in your browser. Choose a 🏆 challenge to see whether your answer is correct.
Preview
Console
Sample tables: employees(id, name, dept_id, salary, joined) · departments(id, name) · users(id, email)
Result
Press Run to see the result.
Output
Code runs only in your browser. Press Ctrl/⌘ + Enter to run. Pick a 🏆 Challenge from the Example list to get your answer checked automatically.
How it works
Practise like a real coding round
HTML/CSS/JS for UI, JavaScript and Python for logic, SQL for data questions.
Open the Example list and pick any 🏆 challenge. The task appears above the editor.
Press Run. We compare your output with the expected answer and show ✓ or what to fix.
Then answer related questions in the interview question bank.