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Co-authored-by: Zhongsheng Ji <9573586@qq.com>

* Feature metric jsd (#66)

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Apply suggestions from code review

Co-authored-by: Zhongsheng Ji <9573586@qq.com>

* jsd

* jsd

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* base更新

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Delete .idea directory

---------


Co-authored-by: Jinhang Su <171846802@qq.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: MoooCat <141886018+MooooCat@users.noreply.github.com>
Co-authored-by: Zhongsheng Ji <9573586@qq.com>


* Apply suggestions from code review

Co-authored-by: Zhongsheng Ji <9573586@qq.com>

* Update type hint and comments.

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Apply suggestions from code review

Co-authored-by: Zhongsheng Ji <9573586@qq.com>

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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---------


Co-authored-by: Jinhang Su <171846802@qq.com>
Co-authored-by: sjh120 <171846802@qq.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Zhongsheng Ji <9573586@qq.com>

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unnecessary imports are also removed.

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The format of some codes has also been adjusted.

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