* [Feature]: Add Part3 of Hooks

* [Feature]: Add Hook

* [Fix]: Add docstring and type hint for base hook

* [Fix]: Add test case to not the last iter, inner_iter, epoch

* [Fix]: Add missing type hint

* [Feature]: Add Args and Returns in docstring

* [Fix]: Add missing colon

* [Fix]: Add optional to docstring

* [Fix]: Fix docstring problem

* [Fix]:typo

* [Fix]: Fix lint

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