code: def predict(self, ctx, validata_data, **kwargs):
      return validata_data
  
file_path: FATE/python/fate/components/components/cross_validation_test.py
imports: import logging
  import typing
  from fate.components.core import ARBITER, GUEST, HOST, Role, cpn, params
label_desc: Use image node_id 3 for calling the FakeTrainer obj's underlying member method code with example usage: obj.predict(ctx, validata_data) and returns: validata_data