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Learn Python os.process_cpu_count to size workers according to the CPUs actually available to the process.

Learn Python sqlite3.Blob for incremental BLOB reads and writes, lower memory use, and safer binary data handling in SQLite.

Learn Python random.binomialvariate to simulate successes, validate probabilities, and analyze binomial scenarios with practical examples.

Learn Python inspect.signature.bind to validate arguments, apply defaults, and build safer decorators and dynamic APIs.

Learn shutil.rmtree with onexc in Python to remove directory trees, handle permissions, log failures, and build safer cleanup routines.

Learn Python statistics.kde to estimate densities, choose bandwidths, compare kernels, and interpret distributions responsibly.

Learn Python contextlib.ExitStack to manage dynamic resources, cleanup callbacks, optional contexts, and exceptions safely.

Learn Python string.Template for configurable messages, placeholder validation, safe mappings, previews, and maintainable text rendering.