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, ...

The “pip” command with the “list” method will print a list of all centrally and locally installed PyPI packages and their versions. Because most of our packages are installed this way, this is the ...

There should only be one — and preferably only one — obvious way to do it”, says the Zen of Python. Yet there are areas where even seasoned programmers debate what the right or wrong way to do things ...

Modern Python developers use virtual environments (venvs), to keep their projects and dependencies separate. Managing project dependencies gets more complex as the number of dependencies grows.