阿里云(天池)：
https://tianchi.aliyun.com/course?spm=5176.12281897.0.0.209439a9UwObn3
天池竞赛：https://tianchi.aliyun.com/competition/gameList/activeList
kaggle：https://www.kaggle.com/competitions
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阿里云(天池)：
https://tianchi.aliyun.com/course?spm=5176.12281897.0.0.209439a9UwObn3
天池竞赛：https://tianchi.aliyun.com/competition/gameList/activeList
kaggle：https://www.kaggle.com/competitions
