# Weekly Programming Challenge #15

DevFeed: [Weekly Programming Challenge #15](<https://devfeed.tech/articles/weekly-programming-challenge-15-21099.md>)

Original publisher: [Read original article](<http://weblog.jamisbuck.org/2016/11/5/weekly-programming-challenge-15.html>)

Author: Jamis

Published: 2016-11-05T06:00:00Z

Content type: tutorial

Language: en

Sources: [Jamis Buck](<https://devfeed.tech/sources/jamis-buck.md>)

Topics: [Programming](<https://devfeed.tech/topics/programming.md>), [Code](<https://devfeed.tech/topics/code.md>), [Canvas](<https://devfeed.tech/topics/canvas.md>)

Tags: [canvas](<https://devfeed.tech/tags/canvas.md>), [code](<https://devfeed.tech/tags/code.md>), [graphics](<https://devfeed.tech/tags/graphics.md>), [programming](<https://devfeed.tech/tags/programming.md>), [weekly](<https://devfeed.tech/tags/weekly.md>)

## AI overview

A weekly programming challenge asks participants to build a basic turtle graphics system. The article introduces turtle instructions, describes normal and hard modes, and requires producing an image on a canvas, with optional color and line-style operations.

## Source excerpt

Turtle Graphics -- 3-minute read