class_docstr: <a id="InfoSet"></a>
  
  ## Information Set $I_i$
class_docstr_tok: ["<","a","id=","''","InfoSet","''",">","<","\/a",">","#","#","Information","Set","$","I_i","$"]
docstr: Initialize
docstr_tok: ["Initialize"]
code: def __init__(self, key: str):
      """
      Initialize
      """
      self.key = key
      self.regret = {a: 0 for a in self.actions()}
      self.cumulative_strategy = {a: 0 for a in self.actions()}
      self.calculate_strategy()
  
imports: from typing import NewType, Dict, List, Callable, cast
  from labml import monit, tracker, logger, experiment
  from labml.configs import BaseConfigs, option
label_desc: Use image node_id 1 to create a new InfoSet object  with example: obj = InfoSet(key)