class_docstr: Class for creating a dictionary of random strings.
class_docstr_tok: ["Class","for","creating","a","dictionary","of","random","strings","."]
docstr: Return length of dataset.
docstr_tok: ["Return","length","of","dataset","."]
code: def __len__(self) -> int:
      """Return length of dataset."""
      return self.len
  
imports: import torch
  from lightning_utilities import module_available
  from torch.utils.data import Dataset
label_desc: Use image node_id 3 for calling the RandomDictStringDataset obj's underlying member method code with example usage: obj.__len__() and returns: self