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Compose networking, Alembic/Django migrations, SQLAlchemy pools, secrets, volumes, and everyday incidents when a Python service talks to Postgres in containers.
Iterators, context managers, typing, packaging basics, concurrency intro, and stdlib modules. Includes single-select and multi-select items.
Syntax, data model, functions, imports, and standard library touch points. Mix of single-answer and multiple-answer items.
Descriptors, metaclasses edges, asyncio internals, C-API risks, and packaging security. Demanding items.
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