“An étude (a French word meaning study) is an instrumental musical composition, usually short, of considerable difficulty, and designed to provide practice material for perfecting a particular musical skill.” — Wikipedia
This project contains pytudes—Python programs for perfecting programming skills.
Some are in Jupyter (IPython) notebooks, some in
.py files. You can view the files here, or clone the project, or run the notebooks online by clicking this button:
pytudes: Index of Jupyter (IPython) Notebooks
|Logic and Number Puzzles|
|Advent of Code 2016
Puzzle site with a coding puzzle each day for Advent 2016
|Translating English Sentences into Propositional Logic Statements
Automatically converting informal English sentences into formal Propositional Logic.
|The Puzzle of the Misanthropic Neighbors
How crowded will this neighborhood be, if nobody wants to live next door to anyone else?
|Countdown to 2016
Solving the equation 10 _ 9 _ 8 _ 7 _ 6 _ 5 _ 4 _ 3 _ 2 _ 1 = 2016. From an Alex Bellos puzzle.
Find a pair of dice that is like a regular pair of dice, only different.
|Beal’s Conjecture Revisited
A search for counterexamples to Beal’s Conjecture
|When is Cheryl’s Birthday?
Solving the “Cheryl’s Birthday” logic puzzle.
|When Cheryl Met Eve: A Birthday Story
Inventing new puzzles in the Style of Cheryl’s Birthday.
|Sol Golomb’s Rectangle Puzzle
A Puzzle involving placing rectangles of different sizes inside a square. Bonus: cryptarithmetic.
|WWW: Will Warriors Win?
Golden State Warriors probability of winning the 2016 NBA title.
The word game Ghost (add letters, try to avoid making a word).
|World’s Longest Palindrome
Searching for a long Panama-style palindrome, this time letter-by-letter.
|Refactoring a Crossword Game Program
Refactoring the Scrabble / Word with Friends game from Udacity 212.
|xkcd 1313: Regex Golf
Find the smallest regular expression; inspired by Randall Monroe.
|xkcd 1313: Regex Golf (Part 2: Infinite Problems)
Regex Golf: better, faster, funer. With Stefan Pochmann.
|Let’s Code About Bike Locks
A tale of a bicycle combination lock that uses letters instead of digits. Inspired by Bike Snob NYC.
What word has the longest path on a gesture-typing smartphone keyboard? Inspired by Nicolas Schank and Shumin Zhai.
|How to Do Things with Words, or Statistical Natural Language Processing in Python
Spelling Correction, Secret Codes, Word Segmentation, and more: grab your bag of words.
|Computer Science Algorithms, Concepts, and Problems|
|A Chaos Game with Triangles
A surprising appearance of the Sierpinski triangle in a random walk between vertexes.
How to write an interpreter for the BASIC programming language.
|Bad Grade, Good Experience
As a student, did you ever get a bad grade on a programming assignment? (Snobol, Concordance)
|Conway’s Game of Life
The cellular automata zero-player game.
|A Concrete Introduction to Probability
Code and examples of the basic principles of Probability Theory.
|Probability, Paradox, and the Reasonable Person Principle
Some classic paradoxes in Probability Theory, and how too think about disagreements.
|The Convex Hull Problem
A classic Computer Science Algorithm.
|The Traveling Salesperson Problem
Another of the classics.
A simulation of a simple economic game.
|Project Euler Utilities
My utility functions for the Project Euler problems, including
pytudes: Index of Python Files
|SET.py||Analyze the card game SET.||SET.html|
|beal.py||Search for counterexamples to Beal’s Conjecture||beal.html|
|docex.py||A framework for running unit tests, similar to
|ibol.py||An Exercise in Species Barcoding||ibol.html|
|lettercount.py||Convert Google Ngram Counts to Letter Counts||mayzner.html|
|lis.py||Lisp Interpreter written in Python||lispy.html|
|lispy.py||Even Better Lisp Interpreter written in Python||lispy2.html|
|lispytest.py||Tests for Lisp Interpreters|
|pal.py||Find long palindromes||palindrome.html|
|pal2.py||Find longer palindromes||palindrome.html|
|pal3.py||Find even longer palindromes||palindrome.html|
|py2html.py||Pretty-printer to format Python files as html|
|sudoku.py||Program to solve sudoku puzzles||sudoku.html|
|testaccum.py||Tests for my failed Python
|yaptu.py||Yet Another Python Templating Utility|
Etudes for Programmers
I got the idea for the “etudes” part of the name from this 1978 book by Charles Wetherell that was very influential to me when I was learning to program.