[xdoctest] reformat example code with google style in No.31-35#56051

Merged

luotao1 merged 2 commits intoPaddlePaddle:developfrom Kaedeharai:my-cool-stuff

Aug 9, 2023

+116-99

Commits on Aug 7, 2023

[Doctest]fix No.1, test=docs_preview
Kaedeharai
committed

Commits on Aug 8, 2023

Merge branch 'develop' of https://github.com/PaddlePaddle/Paddle into my-cool-stuff
Kaedeharai
committed