Python cheatsheets for everyday tasks: async, packaging, typing, profiling, stdlib patterns.
Python Cheatsheet 11 — datetime, zoneinfo, and Time
Cheatsheet: datetime, zoneinfo, ISO 8601, timezone conversion, common pitfalls.
Python Cheatsheets
Modern Python cheatsheets — asyncio, packaging, typing, profiling, stdlib, patterns.
Python Cheatsheet 12 — Standard Library Highlights
Cheatsheet: collections, json, os, sys, subprocess, secrets, hashlib, hmac.
Python Cheatsheet 13 — httpx (Sync + Async HTTP Client)
Cheatsheet: httpx Client / AsyncClient, requests, timeouts, retries, streaming.
Python Cheatsheet 14 — CLI Tools (Typer / Click / argparse)
Cheatsheet: Typer for modern CLIs, Click for power users, argparse for stdlib.
Python Cheatsheet 15 — stdlib logging Configuration
Cheatsheet: basicConfig, named loggers, handlers, formatters, dictConfig.
Python Cheatsheet 16 — Sets, Dicts, and Common Patterns
Cheatsheet: set/dict operations, merging, grouping, set ops.
Python Cheatsheet 17 — Strings, f-strings, and Encoding
Cheatsheet: f-string formatting, str methods, bytes/str, encoding, regex basics.
Python Cheatsheet 18 — Exceptions and Error Handling
Cheatsheet: try/except/else/finally, raise from, ExceptionGroup, custom hierarchies.
Python Cheatsheet 19 — Testing Patterns Beyond pytest Basics
Cheatsheet: unittest.mock, freezegun, snapshot, hypothesis, factory_boy.
Python Cheatsheet 20 — Modern Project Setup (uv + ruff + mypy + pytest)
Cheatsheet: full pyproject.toml, pre-commit, GitHub Actions, layout, conventions.