🌐 Python Web Frameworks
Master Flask, Django, and FastAPI with questions on REST APIs, ORM, and authentication
Flask, Django, FastAPI - building REST APIs and web applications
Flask is a lightweight microframework, Django is a full-featured batteries-included framework, and FastAPI is a modern async framework with automatic API documentation.
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| Feature | Flask | Django | FastAPI |
|---|---|---|---|
| Type | Microframework | Full-stack | Modern API |
| Async Support | Limited | Django 3.1+ | Native |
| ORM | SQLAlchemy | Built-in | SQLAlchemy/Tortoise |
| API Docs | Manual | Manual/DRF | Auto (OpenAPI) |
| Best For | Small apps, APIs | Full websites | APIs, microservices |
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Web Frameworks Interview Tips
- ✓ Know when to choose Flask vs Django vs FastAPI
- ✓ Understand Django ORM query optimization (select_related, prefetch_related)
- ✓ Be familiar with FastAPI dependency injection and async patterns
- ✓ Know how to implement authentication (JWT, session-based)
- ✓ Understand middleware patterns across frameworks
- ✓ Be prepared to discuss caching strategies (Redis, Memcached)
- ✓ Know how to structure large applications (blueprints, routers)
- ✓ Understand RESTful API best practices and versioning