A Guide to Python Type Annotations 2025

Published: 30 May 2025
on channel: Павлин Шарит - ИТ вместе с Николаем Павлиным

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In this video, we cover everything you need to know about type annotations.

Type writing practice - https://python-type-challenges.zeabur...
Python typing documentation: https://docs.python.org/3/library/typ...
Mypy documentation: https://mypy.readthedocs.io/
Example repository - https://github.com/Afaneor/python-typ...

0:00 Introduction
1:00 Annotation example
3:50 Simple types
13:20 Custom types (Literal, NewType, TypedDict)
22:15 Higher-order functions (Callable, Awaitable)
25:00 Classes (ClassVar)
26:30 Generic
33:30 Typed decorator
36:30 ovveride
39:10 mypy
42:50 quick way add type annotation

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