code: def __repr__(self) -> str:
      return str(pd.Series(self.data, index=self.index))
  
imports: from __future__ import annotations
  from typing import Dict, Tuple, Union, Callable, List
  import bisect
  import numpy
  import pandas
label_desc: Use image node_id 7 for calling the SingleData obj's underlying member method code with example usage: obj.__repr__() and returns: str