怎么样在我们创建的app里访问文件管理中的文件呢？

比如，我们向通过pytorch训练一个模型，我们有一个数据集，通过文件管理的上传按钮上传到文件管理中，然后创建一个pytorch的pod，然后在里面进行模型训练，怎么访问上传的文件？

The issue asks how to access files uploaded via the platform's file management from within a PyTorch pod for training. Look for documentation or code about the platform's file storage system, volume mounting in Kubernetes pods, and how datasets are exposed to workloads. Check for examples of data access in existing AI workloads or pod specifications. Determine the API or path to use to read the uploaded files from within the training code.

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