All example python source code in this tutorial is granted to the public domain. Therefore you may modify it and relicense it under any license you please. Premessa

The Python interpreter is easily extended with new functions and data types implemented in C or C++ (or other languages callable from C). Python is also suitable as an extension language for customizable applications. This tutorial introduces the reader i

3. An Informal Introduction to Python¶. In the following examples, input and output are distinguished by the presence or absence of prompts (>>> and …): to repeat the example, you must type everything after the prompt, when the prompt appears;