code: def slice(self, start, end):
      if hasattr(self.data, "slice"):
          return self.data.slice(start * self.stride, end * self.stride)
      else:
          return "<Encoded data=unknown>"
  
file_path: FATE/python/fate/arch/histogram/values/_encoded.py
imports: import logging
  import torch
  from ._plain import HistogramPlainValues
  from ._value import HistogramValues
label_desc: Use image node_id 8 for calling the HistogramEncodedValues obj's underlying member method code with example usage: obj.slice(start, end) and returns: self, str