pythonlisted

- PEP 8: Follow Python style guide consistently. - Type hints: Add for function signatures and complex returns. - Virtual envs: Use venv or poetry for dependency isolation. - Requirements: Pin versions in requirements.txt or pyproject.toml. - Testing: pytest with fixtures, coverage reporting. - Error handling: Use specific exceptions, not bare except. - Performance: Use comprehensions, generators, built-ins. - Logging: Structured JSON logs, appropriate levels. - Security: No eval(), sanitize inputs, hash passwords. - Async: Use asyncio for I/O-bound operations.