A Code Avengers subscription costs $29 per month, $150 for six months, and $240 for a year. Each subscription includes access ...

Between the two, you’ll have access to 32 lessons covering the grammar of Python programming, lessons in planning and organizing code, and guidance as you create and debug your first program.

Students can learn about the foundations in Learn to Code with Python 3 or the Easiest Python for Beginners Course.

If you're a total beginner, a Python foundations course breaks down basics. Or Python Turtle for basic commands and how to code to draw.

But annotating four million lines of Python code in this way isn’t a straightforward task, here are some of the lesser-known benefits and how Dropbox accomplished the task.

It features eight courses that introduce students to automation technologies and the coding languages that make them function, such as Python and C++.