class_docstr: Base class for logged, aka behavior, dataset
docstr: Returns:
      all actions in the dataset as numpy array
code: def actions(self) -> torch.Tensor:
      """
      Returns:
          all actions in the dataset as numpy array
      """
      pass
  
file_path: ReAgent/reagent/ope/datasets/logged_dataset.py
imports: from abc import ABC, abstractmethod
  from dataclasses import dataclass
  import torch
label_desc: Use image node_id 6 for calling the BanditsDataset obj's underlying member method code with example usage: obj.actions() without return types