Python 3.14 introduces an even more advanced ... You could write a template handler that allows all variables placed in the template, or only variables of a specific type, or only variables ...

Here’s a rundown of all of the major new features ... to add a switch/case-like syntax to Python, structural pattern matching lets you match variables against one of a set of possible values ...

"The Python Interactive experience now comes with a built-in variable explorer along with a data viewer ... go to definition, find all references and so on.