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rodstephensbooks.bsky.social
@rodstephensbooks.bsky.social
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rodstephensbooks.bsky.social
Make buttons grow and shrink when the mouse moves over them with tkinter in Python

rodstephensbooks.com/pop_buttons....

#Python #UserInterface #Tkinter
These buttons grow and shrink as the mouse moves over them
February 2, 2026 at 4:35 PM
rodstephensbooks.bsky.social
Add buttons to a row container made with tkinter in Python

rodstephensbooks.com/row_containe...

#Python #Tkinter #UserInterface
This example lets you add and remove buttons from rows with tkinter in Python
February 1, 2026 at 3:52 PM
rodstephensbooks.bsky.social
Make a row container with tkinter in Python

A handy trick that's already part of tkinter.

rodstephensbooks.com/row_containe...

#Python #Tkinter #UserInterface
Buttons arranged in row containers
January 30, 2026 at 9:22 PM
rodstephensbooks.bsky.social
Make an improved interactive unit converter with tkinter in Python

rodstephensbooks.com/unit_convert...

#Python #Tkinter
Converting between units like furlongs to feet in Python Finding the units you want can be hard
January 28, 2026 at 8:44 PM
rodstephensbooks.bsky.social
Make an interactive unit converter with tkinter in Python

rodstephensbooks.com/unit_convert...

#Python #Tkinter
Converting between units like furlongs to feet in Python
January 27, 2026 at 11:13 PM
rodstephensbooks.bsky.social
Make a unit converter in Python
rodstephensbooks.com/unit_convert...
#Python
Converting between units like pounds to grams or furlongs to yards in Python Converting from from_unit to to_unit to base_unit
January 24, 2026 at 10:33 PM
rodstephensbooks.bsky.social
Reflect images to make little flags in Python

rodstephensbooks.com/flags.html

#Python #PIL #ImageProcessing
The Filipino flag mirrored
January 21, 2026 at 10:34 PM
rodstephensbooks.bsky.social
Implement a floating-point range function in Python
rodstephensbooks.com/frange.html

#Python #Loops
This program demonstrates a floating-point loop in Python
January 15, 2026 at 9:20 PM
rodstephensbooks.bsky.social
Draw a rotated ray-traced beveled cube in Python

This post shows how to rotate the beveled cube created in my previous post.

rodstephensbooks.com/ray_traced_r...

Build Your Own Ray Tracer With Python: tinyurl.com/554nvdxr.

#Python #RayTracing #Graphics #ComputerGraphics #Geometry
A ray-traced rotated beveled cube inside reflective walls drawn in Python If you rotate a polygon's vertices, you also need to rotate its normal Build Your Own Ray Tracer With Python
January 11, 2026 at 6:52 PM
rodstephensbooks.bsky.social
Draw a ray-traced beveled cube in Python

rodstephensbooks.com/ray_traced_b...

This post uses the ray tracer from my book "Build Your Own Ray Tracer With Python." Overview and gallery: tinyurl.com/554nvdxr. Amazon: amzn.to/3XD9eqb.

#Python #RayTracing #Graphics #ComputerGraphics #Geometry
A ray-traced beveled cube inside reflective walls drawn in Python Finding the vertices for a beveled cube A ray-traced beveled cube drawn in Python Book: Build Your Own Ray Tracer With Python
January 10, 2026 at 7:02 PM
rodstephensbooks.bsky.social
Write a higher/lower game that demonstrates a while loop's else block in Python

(The interesting part is the else block.)

rodstephensbooks.com/while_else.h...
#Python #Loops
In Python an else block executes if a while loop ends normally
January 9, 2026 at 4:02 PM
rodstephensbooks.bsky.social
Draw a filled chrysanthemum curve in Python

This example draws a pretty picture but the real interesting part is learning how to draw translucent colors on top of each other.

rodstephensbooks.com/chrysanthemu...

#Python #PIL #Drawing #Fractals #Graphics #Drawing
A filled chrysanthemum curve drawn in Python
January 7, 2026 at 2:44 PM
rodstephensbooks.bsky.social
Draw a chrysanthemum curve in Python
rodstephensbooks.com/chrysanthemu...
#Python #Graphics #Drawing #Colorful

This example draws a colorful chrysanthemum curve in tkinter.
A chrysanthemum curve drawn in Python
January 5, 2026 at 5:25 PM
rodstephensbooks.bsky.social
Use Pygame to visualize bubble sort in Python, Part 2

This part explains how the program creates its sprites and runs its event loop.

rodstephensbooks.com/bubble_sort3...
#Python #Algorithms #Pygame #Animation
This program uses Pygame to animate item swapping for bubble sort in Python My book "Build Your Own Python Action Arcade!" available at https://amzn.to/4sc6ZHq
January 4, 2026 at 6:13 PM
rodstephensbooks.bsky.social
Use Pygame to visualize bubble sort in Python, Part 1
rodstephensbooks.com/bubble_sort2...
#Python #Algorithms #Pygame #Animation
This program uses Pygame to animate item swapping for bubble sort in Python My book "Build Your Own Python Action Arcade!" available at https://amzn.to/4sc6ZHq
January 3, 2026 at 5:12 PM
rodstephensbooks.bsky.social
Implement bubble sort in Python

This post introduces the bubble sort algorithm. My next post (or two) will use Pygame to visualize the algorithm.

rodstephensbooks.com/bubble_sort1...
#Python #Algorithms #BubbleSort
The bubble sort algorithm works well with lists that are mostly already sorted
December 31, 2025 at 3:39 AM
rodstephensbooks.bsky.social
419994999149149944149149944191494441
Learn about and verify the properties of this interesting number.

rodstephensbooks.com/digits_are_s...
#Python #NumberTheory #Primes #PrimeNumbers
The number 419994999149149944149149944191494441 is a perfect square and all of its digits are, too
December 28, 2025 at 11:39 PM
rodstephensbooks.bsky.social
My latest book "Python Action Arcade!" is now available in paperback.

Overview and Gallery: tinyurl.com/4k3bfs7c
Paperback: amzn.to/4sc6ZHq
Kindle: amzn.to/4pQNGlq

Don't forget to email me to get a free book! For details to go tinyurl.com/5xmw4p6b.
My latest book, "Python Action Arcade!" is now available in paperback
December 26, 2025 at 3:10 PM
rodstephensbooks.bsky.social
Manning liveProjects & liveVideos $10 each!

Manning Online Pro Subscription for just $199.99! ***

*** More details about the Subscription option here: www.manning.com/subscription
December 24, 2025 at 10:38 PM
rodstephensbooks.bsky.social
Use a color matrix to set an image's color tone in Python
rodstephensbooks.com/image_filter...
#Python #ImageProcessing #PIL
A bird image converted to magenta color tones in Python An image scaled toward yellow An image that uses only yellow color tones An image that uses lighter yellow tones
December 23, 2025 at 4:28 PM
rodstephensbooks.bsky.social
Don't forget to email me to get a free book!

To publicize my latest Python book and a few others (including a C#/WPF book), I'm giving away free copies! For details to go tinyurl.com/5xmw4p6b.

#Books #FreeBook #Python #WPF #CSharp #Games #ArcadeGames
Email me to win a free book!
December 22, 2025 at 7:44 PM
rodstephensbooks.bsky.social
Use a color matrix to remove red, green, and blue color components from images in Python
rodstephensbooks.com/image_filter...
#Python #ImageProcessing #PIL #SepiaTone #Sepia
A bird image with the green color component removed in Python
December 22, 2025 at 7:36 PM
rodstephensbooks.bsky.social
Use point operations to make grayscale images in Python
rodstephensbooks.com/image_filter...
#Python #ImageProcessing #Grayscale #SepiaTone #Sepia
A bird image converted to sepia tone in Python A bird image averaged, grayscaled, and converted to sepia tone in Python
December 21, 2025 at 5:45 PM
rodstephensbooks.bsky.social
Use unsharp masking to sharpen images in Python
rodstephensbooks.com/image_filter...
#Python #ImageProcessing #ImageFilters
A picture of Terry Pratchett after unsharp masking in Python A picture, a blurred version, and the result after unsharp masking Unsharp masking with different blurring kernels and scale factors
December 20, 2025 at 11:20 PM
rodstephensbooks.bsky.social
📖Free books!📚

My latest book, "Python Action Arcade," is finally ready! The Kindle edition is available at amzn.to/4pQNGlq. The paperback should be available December 24.

To publicize this and some other self-published books, I'm giving away free copies! For details to go tinyurl.com/5xmw4p6b.
I'm giving away free copies of these books
December 18, 2025 at 11:37 PM