This tutorial covers Python syntax, variables, data types, strings, objects, lists, functions and loops. Each section includes explanations, examples and exercises to test your understanding.

The CPython interpreter in Python 3.14 can use a feature in C code that uses tail calls between functions. When compiled with a C compiler that supports these features, CPython runs slightly faster.

string.templatelib is a new module in the standard library for Python 3.14 that holds the types we need: Template for the type hint to the function, and Interpolation to check the elements we ...