class_docstr: Base class inherited by all exploration classes.
  
  Args:
      hparams (dict or HParams, optional): Hyperparameters. Missing
          hyperparameters are set to default values. See
          :meth:`default_hparams` for the defaults.
class_docstr_tok: ["Base","class","inherited","by","all","exploration","classes",".","Args",":","hparams","(","dict","or","HParams",",","optional",")",":","Hyperparameters",".","Missing","hyperparameters","are","set","to","default","values",".","See",":","meth",":","`","default_hparams","`","for","the","defaults","."]
docstr: Returns a `dict` of hyperparameters and their default values.
  
  .. code-block:: python
  
      {
          'name': 'exploration_base'
      }
docstr_tok: ["Returns","a","`","dict","`","of","hyperparameters","and","their","default","values",".","..","code-block",":",":","python","{","'name","'",":","'exploration_base'","}"]
code: def default_hparams():
      """Returns a `dict` of hyperparameters and their default values.
  
      .. code-block:: python
  
          {
              'name': 'exploration_base'
          }
      """
      return {"name": "exploration_base"}
  
file_path: texar/texar/tf/core/explorations.py
imports: from texar.tf.hyperparams import HParams
label_desc: Use image node_id 2 for calling the ExplorationBase obj's underlying member method code with example usage: obj.default_hparams() and returns: dict