Python 3.14 has a new feature called the template string, or t-string, type. A t-string superficially resembles an f-string, but it’s designed to do something very different.

This file – addresses.json – can be brought into Python and formatted. In order to work with JSON files in Python, you need to import the json module. Then, you can define the file itself as a ...

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.