Python 3.15 Professional

The Python 3.15 Professional exam assesses your intermediate, working-developer knowledge of Python, one of the most widely used programming languages in web development, data science, automation, and AI.

Topics covered include:

• Iterators, generators & decorators (iterator protocol, yield, genexprs, decorator stacking/factories, functools)
• Context managers & resource handling (with, __enter__/__exit__, contextlib, suppress/ExitStack)
• Type system & annotations (PEP 484+ vocabulary, type statement, NewType, Protocol, generics, PEP 649 deferred annotations, annotationlib)
• OOP & data model (MRO/C3, descriptors, dataclasses, enum, __slots__, __init_subclass__)
• Standard library in practice (collections, itertools, functools, pathlib, json, re, datetime, subprocess, logging, heapq, compression.zstd)
• Functional & idiomatic Python (map/filter/zip, sorting keys, unpacking, PEP 798)
• Packaging & environments (pyproject.toml, dependency specifiers, entry points, PEP 723 inline metadata, venv)
• What's new across Python 3.13–3.15

Passing this exam demonstrates professional competency in Python 3.15 and readiness to build and ship real Python applications.