Python’s new template strings, or t-strings, give you a much more powerful way to format data than the old-fashioned ...

We’ve long used f-strings in Python ... with a function that operates on the template’s structure, not just its output. You could write a template handler that allows all variables placed ...

including inner functions and Python's scoping rules. I do, however, want to ask the question "how can you use Mypy to check all of this?" from typing import Callable def foo(x: int) -> Callable: def ...