code: def __getitem__(self, n):
      path = self.files[n]
      return load_item(path, self.args.modality)
  
file_path: audio/examples/avsr/lrs3.py
imports: import os
  import torchaudio
  import torchvision
  from torch.utils.data import Dataset
label_desc: Use image node_id 2 for calling the LRS3 obj's underlying member method code with example usage: obj.__getitem__(n) and returns: load_item