Flask Interview Questions For Freshers
  1. How do you handle routing in a Flask application?
  2. Can you explain the concept of blueprints in Flask?
  3. How do you handle forms in a Flask application?
  4. How do you handle database connections in Flask?
  5. Can you explain the concept of template inheritance in Flask?
  6. How do you handle sessions in Flask?
  7. How do you handle file uploads in Flask?
  8. How do you handle exceptions in a Flask application?
  9. How do you handle templates in Flask?
  10. How do you implement user authentication and authorization in Flask?
  11. How do you test a Flask application?
  12. Can you explain the concept of request context and how it is used in Flask?
  13. How do you deploy a Flask application to a production environment?
  14. How do you use Flask to create a RESTful API?
  15. Can you explain the concept of context processors in Flask?
  16. How do you handle file downloads in Flask?
  17. How do you use Flask to handle email sending?
  18. How do you use Flask to handle file and image processing?
  19. How do you use Flask to handle caching?
  20. How do you use Flask to handle background tasks?
  21. How do you use Flask to create a WebSocket server?
  22. How do you use Flask to handle payments?
  23. How do you use Flask to handle real-time data?
  24. How do you use Flask's built-in support for handling JSON and other data formats?
  25. How do you use Flask's built-in support for handling URL parameters?
  26. How does HTML escaping work in Flask?
  27. How do you handle routing in a Flask application?
  28. How do you serve static files in Flask?
  29. How do you render templates in Flask?
Flask Intermediate Interview Questions
  1. How do you access request data in a Flask application?
  2. How do you hook in WSGI middleware in Flask?
  3. How do you use Flask extensions to add functionality to your application?
  4. How do you deploy a Flask application to a web server?
  5. What is the recommended project layout for a Flask application?
  6. How do you set up a Flask application?
  7. How do you define and access a database in a Flask application?
  8. How do you use blueprints and views in Flask?
  9. How do you use templates in Flask?
  10. How do you create a blog blueprint in a Flask application?
  11. How do you identify tests in a Flask application?
  12. How do you use fixtures in Flask tests?
  13. How do you send requests with the test client in Flask?
  14. How do you follow redirects in Flask?
  15. How do you access and modify the session in Flask?
  16. How do you run commands with the CLI runner in Flask?
  17. How do you write tests that depend on an active context in Flask?
  18. What error logging tools are available in Flask?
  19. How do you handle errors and create custom error pages in Flask?
  20. How do you use blueprint error handlers in Flask?
  21. How do you return API errors as JSON in Flask?
  22. How do you subscribe to signals in Flask?
  23. How do you create and send signals in Flask?
  24. How do signals interact with Flask's request context?
  25. How do you use decorator-based signal subscriptions in Flask?
  26. How do you use class-based views in Flask?
  27. What is the purpose and lifetime of the application and request contexts in Flask?
  28. How do you manually push a context in Flask?
  29. How do you use blueprints to create modular applications in Flask?
  30. How do you find and use extensions in Flask?
  31. How do you build extensions for Flask?
Flask Interview Questions For Experienced
  1. How do you structure large Flask applications as packages?
  2. How do you use application factories in Flask?
  3. How do you use application dispatching in Flask?
  4. How do you use URL processors in Flask?
  5. How do you use SQLite 3 with Flask?
  6. How do you use SQLAlchemy in Flask?
  7. How do you handle file uploads in Flask?
  8. How do you use caching in Flask?
  9. How do you use view decorators in Flask?
  10. How do you handle form validation with WTForms in Flask?
  11. How do you use Flask's built-in support for handling JSON and other data formats?
  12. How do you use Flask's built-in support for handling URL parameters?
  13. How does HTML escaping work in Flask?
  14. How do you use template inheritance in Flask?
  15. How do you use message flashing in Flask?
  16. How do you use message flashing in Flask?
  17. How do you use JavaScript, fetch, and JSON in Flask?
  18. How do you use lazy loading views in Flask?
  19. How do you use MongoDB with MongoEngine in Flask?
  20. How do you add a favicon to a Flask application?
  21. How do you use request content checksums in Flask?
  22. How do you build Single-Page Applications in Flask?
  23. How do you handle Cross-Site Scripting (XSS) and Cross-Site Request Forgery (CSRF) in Flask?
  24. How do you handle JSON security in Flask?
  25. How do you use security headers in Flask?
  26. How do you use async and await in Flask?
  27. How do you optimize the performance of a Flask application?
  28. How do you handle background tasks in Flask?
  29. When is it appropriate to use Quart instead of Flask?
  30. How do you create and use extensions in Flask?
  31. What is the purpose of the explicit application object in Flask?
  32. How does the routing system work in Flask?
  33. What are the advantages of using only one template engine in Flask?
  34. How do thread locals work in Flask?
  35. How does Flask support async/await and ASGI?
  36. What are some of the limitations of Flask and when is it not the best choice for a project?