Python Koans

Koan 16: The Master's Lesson

Why we need "if __name__ == '__main__'"

Nov 5 • 

Vivis Dev

October 2025

Koan 15: The Invisible Ink

Understanding Unicode equivalence and the deceptive nature of glyphs

Oct 23 • 

Vivis Dev

5

1

Koan 14: The Missing Grain

When distributing python package_data goes wrong

Oct 4 • 

Vivis Dev

September 2025

Koan 13: The Empty Bowl

Understanding Python dataclasses and how fields determine equality and hashing.

Sep 24 • 

Vivis Dev

2

Koan 12: The Blacksmith's Hammer

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

Sep 15 • 

Vivis Dev

1

Koan 11: The Flowing River (Part 2)

Understanding how Python's list comprehensions work under the hood

Sep 9 • 

Vivis Dev

1

Koan 10: The Flowing River (Part 1)

Understanding how Python's list comprehensions work under the hood

Sep 2 • 

Vivis Dev

1

1

August 2025

Koan 9: The Unfired Pot

Exploring chained operations and order of evaluation in python expressions

Aug 25 • 

Vivis Dev

1

1

Koan 8: The Shifting Seal

Understanding Python’s rules for hashing

Aug 19 • 

Vivis Dev

2

1

Koan 7: The Unburdened Village

Navigating Python's import system and namespace packages

Aug 12 • 

Vivis Dev

4

2

1

Koan 6: The Forgetful Calligrapher

Understanding Late Binding in Python Closures

Aug 5 • 

Vivis Dev

2

1

July 2025

Koan 5: The Silent Harp

Exploring how functions in Python are treated as first-class citizens, and the untapped potential they hold.

Jul 29 • 

Vivis Dev

2