我要做预训练通用模型，样本数据加载这里可以给个demo数据？

[wangweihua11]

Required prerequisites

• [X] I have read the documentation https://github.com/baichuan-inc/baichuan-7B/blob/HEAD/README.md.
• [X] I have searched the Issue Tracker and Discussions that this hasn't already been reported. (+1 or comment there if it has.)
• [X] Consider asking first in a Discussion.

Questions

Checklist

• [X] I have provided all relevant and necessary information above.
• [X] I have chosen a suitable title for this issue.