code: def predict(ctx: Context, data: DataFrame, model_dict: dict):
      if ctx.is_on_guest:
          bst = HeteroSecureBoostGuest()
      else:
          bst = HeteroSecureBoostHost()
      bst.from_model(model_dict)
      return bst.predict(ctx, data)
  
file_path: FATE/examples/launchers/secureboost_launcher.py
imports: import pandas
  from fate.arch import Context
  from fate.arch.dataframe import DataFrame
  from fate.arch.dataframe import PandasReader
  from fate.arch.launchers.multiprocess_launcher import launch
  from fate.ml.ensemble.algo.secureboost.hetero.guest import HeteroSecureBoostGuest
  from fate.ml.ensemble.algo.secureboost.hetero.host import HeteroSecureBoostHost
label_desc: Use image node_id 2 for calling a global function with example usage: predict(ctx, data, model_dict) and returns: bst