code: def set_host_prev_selected_mask(self, mask):
      self._host_prev_selected_mask = mask
  
imports: import copy
  import logging
  import math
  import random
  import numpy
  import pandas
  from fate.arch import Context
  from ..abc.module import HeteroModule, Module
label_desc: Use image node_id 5 for calling the StandardSelection obj's underlying member method code with example usage: obj.set_host_prev_selected_mask(mask) without return types