This is a PDF problem collection for the Python 3 Certified Practical Engineer Exam, containing 500 original four-choice questions across 12 chapters, including language specifications, classes, ...

Python 2.x is installed in macOS by default. Even macOS 10.13 High Sierra has Python 2.7.4 as its only version. As the Python website says, “Python 2.x is legacy, Python 3.x is the present and future ...

A faster interpreter, more intelligible errors, more powerful type hints, and a slew of other speedups and tweaks are now ready to try out. The Python programming language releases new versions yearly ...

Though Python 3 was released in 2008, many projects are still stuck on Python 2. It’s understandable that porting large existing codebases to a new version is a prospect which sends a shiver down many ...