class_docstr: Solver in Keras way.
class_docstr_tok: ["Solver","in","Keras","way","."]
docstr: Train the model.
docstr_tok: ["Train","the","model","."]
code: def train(self):
      """Train the model."""
      inputs = self.build_inputs(utils.TRAIN)
  
      self.train_core(inputs)
  
imports: import os
  import math
  import numpy
  import delta.compat
  from absl import logging
  from delta.utils.solver.base_solver import Solver
  from delta import utils
  from delta.utils.register import registers
  from delta.utils.solver.utils.solver_utils import get_checkpoint_dir
  from delta.utils.solver.utils.solver_utils import get_session_conf
  from delta.utils.solver.utils.solver_utils import to_saved_model
  from delta.utils.solver.utils.solver_utils import save_infer_res
label_desc: Use image node_id 8 for calling the KerasSolver obj's underlying member method code with example usage: obj.train() without return types