Advanced Python Level 4: Patterns for Professionals
You know Python's syntax. This video is about the next jump: the disciplines that separate a script that works from a system you can actually run in production. We follow one arc across five Level 4 lessons from the Python Mastery Path -- Pythonic design patterns, metaprogramming tricks that power real frameworks, building an authenticated FastAPI service, testing it with fixtures, mocks and property-based tests, and closing every common security hole before it ships. Each section builds on the last, so the whole video plays like one connected lecture rather than five disconnected clips.
Lessons covered in this video:
Design Patterns in Python: https://sigilipelli.github.io/python-...
Metaprogramming: https://sigilipelli.github.io/python-...
Production-Grade APIs: https://sigilipelli.github.io/python-...
Testing at Scale: https://sigilipelli.github.io/python-...
Security Best Practices: https://sigilipelli.github.io/python-...