Resources
Architecture Patterns with Python
Free online book on applying DDD, ports and adapters, and event-driven architecture in Python — by the authors of the famous “Cosmic Python”
ArjanCodes
YouTube channel focused on software design patterns, clean code, and Python best practices — highly regarded by intermediate and advanced developers
Effective Python
125 specific ways to write better Python — covers Pythonic thinking, functions, classes, concurrency, and robustness
High Performance Python
Practical guide to profiling, optimising, and scaling Python code — covers NumPy, Cython, asyncio, multiprocessing, and memory management in depth
mCoding
Short, precise videos on Python internals, CPython quirks, and performance — the channel for developers who want to understand why Python works the way it does
Fluent Python
Master Python’s advanced features with this comprehensive guide to writing Pythonic code