1. In Flutter, what is the default layout orientation for the "Column" widget?
2. Which widget is used for making HTTP requests in Flutter?
3. Which widget is used to create a scrollable list in Flutter?
4. Which widget is used for routing and navigation in Flutter?
5. How do you add a gradient background to a widget in Flutter?
6. What is the purpose of the "Key" parameter in Flutter widgets?
7. How do you define a list of items in Flutter?
8. How can you add custom fonts to a Flutter app?
9. Which widget is used to create a clickable button in Flutter?
10. How do you pass data between screens in Flutter?
11. What is the primary function of the "Navigator" widget in Flutter?
12. What is the main advantage of Flutter's "hot reload" feature?
13. What is the purpose of the "Expanded" widget in Flutter's "Column" or "Row" layouts?
15. What does "pubspec.yaml" file contain in a Flutter project?
