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 ...

With all this talk of callables, you also should consider what happens with generator functions. Python loves iteration and encourages you to use for loops wherever you can. In many cases, it's ...