Leo

[Docathon][Add API Legend No.42] Add legend for as_complex API

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### PR Category User Experience ### PR Types Docs ### Description update legend for as_complex api in https://github.com/PaddlePaddle/docs/pull/6913

[Docathon][Add API Legend No.43]为as_real增加图例

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添加了中文文档中as_real的图例 @sunzhongkai588 @GGBond8488

[L2 Testnet Tutorial] Clarification Needed on L1 Contract Deployment Doc

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I'm currently working through the "Deploy the L1 contracts" section and came across some confusing points that I'd like to clarify. Firstly, the documentation recommends using `op-deployer`, but it still...