code: def __init__(self, select_col):
      self._mean = None
      self._std = None
      self.select_col = select_col
  
imports: import logging
  import pandas
  from fate.arch import Context
  from ..abc.module import Module
label_desc: Use image node_id 1 to create a new StandardScaler object from inherited base classes: Module with example: obj = StandardScaler(select_col)