# koan (blogs) — RSS Amplifier

Recent posts from the 1 feeds in the RSS Amplifier directory that cover koan.

Page: <https://rssamplifier.com/topics/koan/blogs>  
Feed: <https://rssamplifier.com/topics/koan/blogs.md>

---

## [Koan 20: The Unreliable Messenger](https://pythonkoans.substack.com/p/koan-20-the-unreliable-messenger)

_2026-05-11 · Vivis Dev · Python Koans_

Exploring traps in try/finally blocks, and the reasoning behind PEP601 and PEP765

## [Koan 19: The Unhelpful Eclipse](https://pythonkoans.substack.com/p/koan-19-the-unhelpful-eclipse)

_2026-01-30 · Vivis Dev · Python Koans_

On the fragility of unintended behavior and the wisdom of explicit paths

## [Koan 18: The Loose Bundle](https://pythonkoans.substack.com/p/koan-18-the-loose-bundle)

_2026-01-14 · Vivis Dev · Python Koans_

Exploring the pitfalls of raw string literals in Python

## [Koan 17: The Watchman at the Gate](https://pythonkoans.substack.com/p/koan-17-the-watchman-at-the-gate)

_2026-01-07 · Vivis Dev · Python Koans_

A look into Python's regex module

## [Koan 9: The Unfired Pot REDUX](https://pythonkoans.substack.com/p/koan-9-the-unfired-pot-redux)

_2025-12-16 · Vivis Dev · Python Koans_

Experience is simply the name we give our mistakes - Oscar Wilde

## [Koan 16: The Master's Lesson](https://pythonkoans.substack.com/p/koan-16-the-masters-lesson)

_2025-11-05 · Vivis Dev · Python Koans_

Why we need "if \_\_name\_\_ == '\_\_main\_\_'"

## [Koan 15: The Invisible Ink](https://pythonkoans.substack.com/p/koan-15-the-invisible-ink)

_2025-10-23 · Vivis Dev · Python Koans_

Understanding Unicode equivalence and the deceptive nature of glyphs

## [Koan 14: The Missing Grain](https://pythonkoans.substack.com/p/koan-14-the-missing-grain)

_2025-10-04 · Vivis Dev · Python Koans_

When distributing python package\_data goes wrong

## [Koan 13: The Empty Bowl](https://pythonkoans.substack.com/p/koan-13-the-empty-bowl)

_2025-09-24 · Vivis Dev · Python Koans_

Understanding Python dataclasses and how fields determine equality and hashing.

## [Crypto Payments, No Custody (Sponsored)](https://crawlproof.com/a/cjhDRibz6luR)

_2025-09-24 · **Sponsored**_

Send crypto to merchant wallets via API with real-time updates and automatic fees.

## [Koan 12: The Blacksmith's Hammer](https://pythonkoans.substack.com/p/koan-12-the-blacksmiths-hammer)

_2025-09-15 · Vivis Dev · Python Koans_

Exploring the dangerous power of unquoted Python strings, and how they caused CVE-2024-9287