code: def _get_loss(self):
      losses = {
          "modified_huber": ModifiedHuber(),
          "smooth_hinge": SmoothHinge(self.gamma),
          "squared_hinge": SquaredHinge(1.0),
          "log": Log(),
          "squared": SquaredLoss(),
      }
      return losses[self.loss]
  
imports: import numpy
  from .base import BaseClassifier, BaseRegressor
  from .dataset_fast import get_dataset
  from .sag_fast import _sag_fit, get_auto_step_size
  from .sgd_fast import ModifiedHuber
  from .sgd_fast import SmoothHinge
  from .sgd_fast import SquaredHinge
  from .sgd_fast import Log
  from .sgd_fast import SquaredLoss
  from .sag_fast import L1Penalty
label_desc: Use image node_id 1 for calling the _BaseSAG obj's underlying member method code with example usage: obj._get_loss() and returns: losses