Sharing insights, tutorials, and thoughts about web development, AI systems, Python, Django, and the developer journey.
Why Python variables are references, not containers — covering mutability, dynamic typing, scope (LEGB), and the mutable default argument trap.
A guide to lists, tuples, dicts, and sets in Python, plus the collections module's defaultdict, Counter, deque, and namedtuple.
Demystifying Python decorators from first principles — the @ syntax, functools.wraps, decorators with arguments, and class-based decorators.
How Python generators produce values one at a time, why they save memory over lists, and how yield, generator expressions, and yield from work.
A behind-the-scenes look at reference counting, the cyclic garbage collector, pymalloc, and common memory pitfalls in Python.
A practical walkthrough of reading, writing, and managing files in Python — modes, encodings, binary data, error handling, and pathlib.
What the Global Interpreter Lock actually does, why it exists, when it matters, and how to work around it with multiprocessing and asyncio.
A tour of Python functions beyond the basics — first-class objects, *args/**kwargs, lambdas, closures, and type hints.
A practical look at how Python's with statement and __enter__/__exit__ guarantee resource cleanup — plus the easier contextlib shortcut.
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