Python dependency injection is a great practice to make our python modules more testable, maintainable and scalable. Learn how can we implement that while designing our modules. (more…)

The first time I used Logo, it felt like magic. I could type a short sequence of simple commands, and draw beautifully complex shapes on the screen. In this tutorial, I will show you how to parse and interpret a Logo-like language in just 70 lines of code... (more…)

While at PyConAU 2016 I attended the Monday sprints and spent some time looking at a proposed feature I hoped would soon be part of cryptog...

This is a tool that for writing AST-based refactorings for large Python codebases. It uses lib2to3 to convert source code to an AST, run a visitor over it that modifies the tree, and convert the tree back into source code. (more…)

import operator f = lambda n: reduce(operator.mul, range(1,n+1))... (more…)