class_docstr: Defines a Bin specified by a finite set of values and a constant sub-score
code: def sub_score(self) -> Real:
      return self._sub_score
  
imports: import abc
  from numbers import Real
  from typing import Dict, Set, Any, Optional
  from aix360.algorithms.rule_induction.trxf.core import Feature
label_desc: Use image node_id 8 for calling the SetBin obj's underlying member method code with example usage: obj.sub_score() and returns: self