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. Instead of just ...

Like many other programming languages, Python works well with JavaScript Object Notation ... This strips away all of the white space from the code in order to make it leaner for a computer to parse.

We’ve long used f-strings in Python to conveniently format variables in a string. Python 3.14 introduces an even more advanced feature in this vein, template strings as defined in PEP 750.