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rodstephensbooks.bsky.social
@rodstephensbooks.bsky.social
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rodstephensbooks.bsky.social
Paste an image onto another image with PIL in Python
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#Python #PIL #ImageProcessing
A background image with copies of another image pasted on top with PIL in Python These smiley faces do not preserve the original image's aspect ratio
November 12, 2025 at 1:42 AM
rodstephensbooks.bsky.social
Save a smiley face image in a file in Python
rodstephensbooks.com/save_smiley....
#Python #PIL #ImageProcessing
This program saves a smiley face drawn with PIL in Python
November 8, 2025 at 7:54 AM
rodstephensbooks.bsky.social
Sort the keys and values in a dictionary in Python
rodstephensbooks.com/sort_diction...
#Python #Sorting #Dictionaries
Dictionary items in natural order, sorted by key, and sorted by value in Python
November 6, 2025 at 9:23 PM
rodstephensbooks.bsky.social
Use rembg with different models to remove the background from images in Python
rodstephensbooks.com/use_rembg_mo...
#Python #rembg #ImageProcessing
Pictures with their backgrounds removed by different rembg models in Python
November 4, 2025 at 3:59 PM
rodstephensbooks.bsky.social
Use rembg to remove the background from images in Python
rodstephensbooks.com/use_rembg.html
#Python #rembg #ImageProcessing
Two pictures with their backgrounds removed by rembg in Python
November 3, 2025 at 3:05 PM
rodstephensbooks.bsky.social
Use PIL to draw a transparent image over a checkerboard in Python
rodstephensbooks.com/transparent_...
#Python #PIL #Graphics
An image with transparent parts drawn in top of a checkerboard with PIL in Python
November 2, 2025 at 5:08 PM
rodstephensbooks.bsky.social
Draw a Padovan spiral in Python
rodstephensbooks.com/padovan_spir...
#Python #Geometry #PadovanTriangles #PadovanSpiral
A Padovan spiral drawn in Python Defining an arc for a Padovan spiral drawn in Python
October 29, 2025 at 6:34 PM
rodstephensbooks.bsky.social
Draw Padovan triangles in Python
rodstephensbooks.com/padovan_tria...
#Python #Geometry #PadovanTriangles
Padovan triangles drawn in Python Another definition of the Padovan recurrence relation Padovan triangles labeled by index in Python
October 28, 2025 at 9:14 PM
rodstephensbooks.bsky.social
Draw a Fibonacci spiral in Python
rodstephensbooks.com/fibonacci_sp...
#Python #FibonacciNumbers #Spiral
A Fibonacci spiral drawn in Python A Fibonacci spiral drawn in Python
October 26, 2025 at 1:42 PM
rodstephensbooks.bsky.social
Draw Fibonacci squares in Python
rodstephensbooks.com/fibonacci_sq...
#Python #FibonacciNumbers #FibonacciSquares
Fibonacci squares drawn in Python Orienting Fibonacci squares drawn in Python
October 23, 2025 at 3:39 PM
rodstephensbooks.bsky.social
A brief primer on vector arithmetic in Pygame and Python
rodstephensbooks.com/pygame_vecto...
#Python #Pygame #Vectors
A Python program demonstrating vector arithmetic Defining an arrowhead with Pygame's Vector2 objects
October 18, 2025 at 3:27 PM
rodstephensbooks.bsky.social
Map points so they fit within a target area in Python
rodstephensbooks.com/binary_tree_...
#Python #Drawing #Algorithms
This tree doesn't fit on the window This tree is resized to fit in the window A blob of points Points translated onto the target rectangle
October 16, 2025 at 3:20 PM
rodstephensbooks.bsky.social
Recursively draw binary trees in Python
rodstephensbooks.com/binary_tree....
#Python #Trees #Algorithms #Drawing
A binary tree with modified depth, delta, length, and scale parameters A binary tree with modified depth, delta, length, and scale parameters A binary tree with modified depth, delta, length, and scale parameters A binary tree with modified depth, delta, length, and scale parameters
October 15, 2025 at 5:08 PM
rodstephensbooks.bsky.social
Sorry about going dark for a while. My webserver has been down but I think it's okay now.

Use three important techniques to calculate Fibonacci numbers in Python

rodstephensbooks.com/fibonacci_nu...

#Python #Algorithms
Fibonacci numbers calculated by recursion, dynamic programming, and bottom-up programming
October 14, 2025 at 2:55 PM
rodstephensbooks.bsky.social
Make a skinned form in Python, Part 4
rodstephensbooks.com/skinned_form...
#Python #SkinnedForms #UserInterface #UI
The Safety skin being used by a Python program The Pipes skin being used by a Python program The Rivets skin being used by a Python program
October 8, 2025 at 5:36 PM
rodstephensbooks.bsky.social
Make a skinned form in Python, Part 3
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#Python #SkinnedForms #UserInterface #UI
A skinned form built in Python
October 6, 2025 at 9:06 PM
rodstephensbooks.bsky.social
Make a skinned form in Python, Part 2
rodstephensbooks.com/skinned_form...
#Python #SkinnedForms #UserInterface #UI
A skinned form built in Python
October 4, 2025 at 10:16 PM
rodstephensbooks.bsky.social
Make a skinned form in Python, Part 1
rodstephensbooks.com/skinned_form...
#Python #SkinnedForms #UserInterface #UI
A skinned form built in Python The parts of a skinned form built in Python
October 3, 2025 at 10:05 PM
rodstephensbooks.bsky.social
Make stable appointments in Python
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#Python #Algorithms
Stable appointments made in Python
October 1, 2025 at 4:37 PM
rodstephensbooks.bsky.social
Sorry I haven't posted in a while I'm working on a new book and sometimes I just feel the need to put my head down and write a bunch of code.
Simulate Conway's game of life in Python
rodstephensbooks.com/life.html

#Python #Simulations
The Gosper Glider Gun in Conway's game of life written Python.
September 24, 2025 at 4:03 PM
rodstephensbooks.bsky.social
Convert between Arabic and Roman numerals in Python
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#RomanNumerals
Values converted between Roman and Arabic numerals in Python
September 11, 2025 at 4:00 PM
rodstephensbooks.bsky.social
Fill a spiral of Theodorus with a color gradient in Python
rodstephensbooks.com/theodorus_sp...
A spiral of Theodorus with colors mapped to a color gradient in Python
September 8, 2025 at 10:01 PM
rodstephensbooks.bsky.social
Draw a colored spiral of Theodorus in Python
rodstephensbooks.com/theodorus_sp...
#Python #Geometry
A colored spiral of Theodorus drawn in Python
September 7, 2025 at 8:23 PM
rodstephensbooks.bsky.social
Make a spiral of Theodorus in Python
rodstephensbooks.com/theodorus_sp...
#Python #Geometry
A spiral of Theodorus drawn in Python The radii in a spiral of Theodorus are the square roots of the numbers 1, 2, 3, etc.
September 6, 2025 at 4:48 PM
rodstephensbooks.bsky.social
Demonstrate Napoleon's theorem in Python
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#Python #Geometry
A program demonstrating Napoleon's theorem in Python
September 5, 2025 at 3:24 PM