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 newly approved Python Enhancement Proposal 751 gives Python a standard lock file format for specifying the dependencies of projects. Here’s the what, why, and when. Python Enhancement Proposal ...

The proposal to add a more general facility for string formatting to Python, which we looked at in August 2024, has changed a great deal since, so it merits another look. The changes take multiple ...

This Python tutorial explains how functions work and why they are essential for writing reusable, organized code. The lesson begins with creating a basic function using the def keyword, calling it, ...

Some languages pride themselves on providing many ways to accomplish any given task. Python, instead, tends to focus on providing a single solution to most problems. There are exceptions, though; the ...

Look to these free tools to ensure that your Python code complies with recommended Python coding conventions and code quality standards In theory, any Python code is OK as long as it’s syntactically ...