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Pydantic models are defined using standard Python classes with type annotations, and can be used for data validation, serialization, and deserialization.
Pydantic allows you to define custom validation functions for your models. These functions can be used to perform additional validation checks on the data, beyond what Pydantic provides out of the box. These are super useful while creating schemas for FastAPI
On this page of the site you can watch the video online Pydantic Custom Validator | Dependent Fields Validation with Pydantic Python Classes with a duration of hours minute second in good quality, which was uploaded by the user nofoobar 10 May 2023, share the link with friends and acquaintances, this video has already been watched 2,229 times on youtube and it was liked by 15 viewers. Enjoy your viewing!