To demonstrate how to use functions in Python, we will use Thonny, a free, easy to use and cross platform Python editor. Before you start, Install Thonny if you don’t have it already.

Simply create a new .py file in the same folder as your main Python code. Then “import” that file as you now know how to do, then access the functions from within that module.

Modern Python codebases deserve to have test suites, and the current tooling for testing makes creating test suites easier than ever. Python has its own built-in testing framework, unittest.

A 'More Python' path will be released by Raspberry Pi soon, said Franks, in which learners will move beyond the basics and learn how to use lists, dictionaries and files to create applications.

Launch IDLE (Python GUI), click the "File" menu and select "New Window" to launch a new window. Press Ctrl and S to launch the Save As window. Use "searchFunction" as the file name and click "Save ...