TypedDicts are better than you think

TypedDict was introduced in PEP-589 which landed in Python 3.8. The primary use case was to create type annotations for dictionaries. For example, class Movie(TypedDict): title: str movie: Movie = {"title": "Avatar"} I remember thinking at the time that this was pretty neat, but I tend to use dataclass or pydantic to represent 'record' type data. Instead I use dictionaries more as a collection, so