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Learn Python zipapp to package applications as executable pyz archives, include dependencies, and distribute tools safely.

Learn Python functools.Placeholder to leave positional gaps in partial functions and build clearer reusable functional APIs.

Learn Python itertools.pairwise to compare neighboring values, detect transitions, calculate deltas, and build clear lazy pipelines.

Learn Python types.new_class for dynamic classes with metaclasses, prepared namespaces, inheritance, metadata, and safe factories.

Learn Python partialmethod for specialized methods with correct binding, fewer wrappers, clear domain names, and safe introspection.

Use Python inspect.getmembers_static to list attributes without executing properties, descriptors, or unwanted dynamic lookup.

Understand Python DynamicClassAttribute, descriptors, class versus instance access, metaclasses, Enum behavior, and safe introspection.

Learn Python UserList for custom mutable sequences with validation, normalization, mutation rules, copying, and predictable APIs.