BiteSizedChunks.comLearn one small thing at a time.

Course contentsShow

867Why type hints
868Annotating variables
869Annotating function params/returns
870Hints don't enforce
871`Optional[X]`
872Union types
873Container hints
874`tuple[int, str]`
875`tuple[int, ...]`
876`Any` type
877`Callable` hints
878`TypeAlias`
879`NewType`
880Generics with `TypeVar`
881Generic classes
882Protocols
883`Literal` types
884`TypedDict`
885`Final`
886`ClassVar`
887`Self` type
888`overload` decorator
889`mypy` introduction
890`pyright` and `pylance`

867Why type hints
868Annotating variables
869Annotating function params/returns
870Hints don't enforce
871`Optional[X]`
872Union types
873Container hints
874`tuple[int, str]`
875`tuple[int, ...]`
876`Any` type
877`Callable` hints
878`TypeAlias`
879`NewType`
880Generics with `TypeVar`
881Generic classes
882Protocols
883`Literal` types
884`TypedDict`
885`Final`
886`ClassVar`
887`Self` type
888`overload` decorator
889`mypy` introduction
890`pyright` and `pylance`

Lesson 867 of 1,289·20. Type HintsPro lesson

Why type hints

Catching bugs and improving editor support.

This lesson is for subscribers

You've completed the free preview. Subscribe to unlock every lesson in every course.

See pricing Back to course