When you get an error message, Python tries to point to the root cause of the error. Sometimes, the message tells exactly what’s the problem, but other times it’s ...

So the parameter must be renamed in order to work with python 3.7. I can create a PR for it, but since it's part of the API it might break for people using it. Any objections otherwise? I assume that ...

In this text we’ll talk about syntax and semantics, so it’s important that we understand what these terms mean, particularly in the context of computer programming. In a (natural) language course—say ...