11 resources for teaching and learning Python

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Open education resources


If you're looking to teach, tutor, or mentor beginning programmers, you've got your work cut out for you. Different learning styles, varying levels of knowledge, and a subject area that's a moving target all conspire to see you run ragged as an instructor. Luckily, there is help available—lots of help. It comes in the form of open source textbooks, tools, and even games—all created to make being a teacher (and a learner) easier than ever before.

A bit of context: I completed a master's degree in information and computer science last summer and started teaching my first university class (Python programming) about two weeks later. I'm a self-taught programmer who mostly learned on the job. I've never taken a Python class. To add to the fun, my students ranged from true beginners who had never written a line of code to experienced programmers trying out a new language. By rights, I should have been doomed from the start.

Open source courseware to the rescue

Despite the challenges presented by my students' diversity of experience and interests, we managed to get through the semester with minimal soul-crushing boredom. This was facilitated entirely by the wealth of open source educational materials and tools available in the Python universe.

Just like open source software, open source courseware refers to books, tutorials, games, and quizzes that are free to use, share, and even modify. There are a number of open source licenses available to creators of content, including the GNU Public License, the MIT and BSD licenses, and several variations of the Creative Commons license. They vary in what they permit, but what's important is that they're all free to use in your classroom.

Instead of forcing students to spend $150 on a dry textbook and type through examples that confuse half of the class while boring the other half to tears, I was able to lift the textbook requirement entirely. Instead of one overpriced book, the class used several high-quality, up-to-date, free books. Instead of trudging through the same old "implement a linked list" or "build a library lending app" examples that so failed to inspire me during my own education, I was able to assign students tasks like "simulate a galaxy," "design primers for a biological experiment," "make a platformer video game," or "build a web service."

Open source Python textbooks

Help for the beginners in the class came in the form of Charles Severance's book, Python for Informatics (Creative Commons license). This is the same textbook used in Coursera's "Programming for Everybody" course. I offered points to any student who typed the code examples from the book and blogged about what they learned.

More experienced programmers who wanted a different kind of introduction to Python were able to jump right in to game programming thanks to the GPL-licensed Pygame module and Al Sweigart's Creative Commons-licensed textbook Invent Your Own Computer Games with Python. The students who opted for this approach got points for typing example code from the textbook and eventually learned to modify the code to create their own games.

Open source libraries and docs

For true beginners, following the first few chapters of a textbook is sufficient for a semester's work. But what about those experienced programmers who signed up for an easy A? The open source community provided a ton of fun for them, too.

One of Python's greatest strengths as a language is the variety of robust, well supported, thoroughly documented libraries and packages available. For the students who had no need to learn about lists and functions, there was no end to the projects available.

For the science majors, there are several options, including the following BSD-licensed packages:

  • Astropy, which contains modules (and sample code) for astronomical constants, coordinate systems, model fitting, and more.
  • Bokeh, a visualization library. The documentation is extensive (and beautiful). Any scientist or science major should be able to acquire some interesting test data in her field, and if she can do that, she can turn it into a gorgeous graph just by following the Bokeh examples.
  • Vispy, yet another visualization library that ships with a number of complex, impressive example projects. One beginner was able to find, run, read, comprehend, and successfully modify a 3D spiral galaxy simulation. How many of you did something that cool in your first semester of coding?

While the scientists crunched data in one corner, a number of students interested in learning about web technologies were able to build their own relevant projects thanks to these great resources:

  • BeautifulSoup is an MIT-licensed package that makes parsing HTML as enjoyable as browsing the rendered version. The docs are a great introduction to Python, parsing, and HTML all in one stop.
  • Flask is a BSD-licensed web microframework. The quick, to-the-point tutorial takes newcomers through topics such as templates, requests and responses, database operations, and testing. For the intermediate programmer, this single walkthrough is a more complete and engaging introduction to Python than any beginner textbook could offer.

Games and interactive tutorials

The class also benefited from plenty of gamified resources available to students of Python and programming in general. Here are a couple of Creative Commons-licensed options:

  • Project Euler is a website with coding challenges that increase in difficulty. They're mostly short, mathematical in nature, and perfect for practicing a new language. Students were able to complete a set of these problems and present their solution in class for points.
  • Slice Like a Ninja is a web game I built that presents players with strings and a terminal. The objective is to use Python slice syntax to convert the input string into a given output string. Rather than present a chapter and a test on slices, I waited until students encountered a problem that could be solved with slices, introduced the topic, then sent them to play this game.

Python doesn't happen in a vacuum, and familiarity with the programming environment itself is often the biggest impediment for beginning coders. Some students walked into my class as established command line and version control wizards, but the majority needed onboarding. Here are some amazing (MIT-licensed) resources for learning the command line and related tools:

  • Bashy is a short game that introduces basic command line usage while providing visual feedback for those who are having a hard time breaking away from GUI-land. (Full disclosure: I built Bashy in grad school. I don't make money from it, though!)
  • OpenVim is an interactive tutorial for complete beginners to the powerful Vim text editor.
  • VimGolf is a command line tool and website that implements a competitive game that helps Vim users of all levels improve their efficiency.
  • learnGitBranching is a rich, thorough, interactive web app that covers beginning and intermediate Git commands with beautiful visualizations and encouraging feedback. I refuse to teach programming without requiring version control, so this was a priceless resource. It beats lecturing for hours on end about Git!

Version control in particular is a complicated topic that rewards deep study. For students who need more than a web game to get the hang of it, there is the Creative Commons-licensed Pro Git textbook by Scott Chacon and Ben Straub, available to read free online.

Lessons learned

The open source classroom achieved mixed results. For more advanced students, it was a huge success. They appreciated the opportunity to explore their own interests rather than being tied to the examples in a single textbook, and felt as though they received a solid introduction to Python. Beginners were less enthusiastic, in some cases complaining of feeling overwhelmed or confused.

Perhaps this was a weak point of the class, but perhaps feeling overwhelmed and confused is a natural response to entering into a world as diverse and full of possibility as the open source Python universe. It is overwhelming to think that there are nearly a million Python projects on GitHub, and it's a bit confusing to think that one language can power websites, games, and spaceships.

Making sense of the open source landscape may simply require more than a semester's worth of effort, but every student left with a clear idea of just how many great resources are out there, and how much power they offer us. The days of being tied to one textbook are gone, and good riddance! Open source courseware allows instructors and learners to design a rich, customized, interactive learning experience, all for free. Now let's write some code!

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Brian Hall is an educator and developer whose experience includes bioinformatics, A/B testing, UX and taking computers apart with kindergarten students. He lives in Hilo, Hawai'i and would love to hear about (and help make noise about) your open source project.


This is great! Thanks for sharing. I'm sharing this far and wide with EdTech and Math teachers who are either teaching Python or thinking about it. Have you thought about sharing your work on https://www.oercommons.org/

Thanks Sebastian, that course looks awesome. I should've shown everybody `import turtle` !

Don, the resources on OER Commons look pretty nice. I built my curriculum in a custom framework developed by some University of Hawai'i instructors, so I'm not sure if it will transfer over or not. It's all here tinyurl.com/cs294-python

Maggye, genial! Gracias por leer!

Interesting post. Reminds me of the flipped classroom model, where the teacher is facilitator and the students drive their own learning experience. Sounds like that works better with the more experienced folks though!

Great post :)

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