code: def set_params(self, arg_params, aux_params):
          
  
          for texec in self.execgrp.train_execs:
              texec.copy_params_from(arg_params, aux_params)
docs: Set parameter and aux values.
  
          Parameters
          ----------
          arg_params : list of NDArray
              Source parameter arrays
          aux_params : list of NDArray
              Source aux arrays.