* [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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