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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def attention_lm_ae_extended():
 """Experiment with the exp_factor params."""

  hparams = attention_lm_moe_base_long_seq()
  hparams.attention_layers = "eeee"
  hparams.attention_local = True
  # hparams.factored_logits=1  # Necessary when the number of expert grow bigger
  hparams.attention_moe_k = 2
  hparams.attention_exp_factor = 4
  # hparams.attention_exp_inputdim = 128

  hparams.layer_preprocess_sequence = "n"
  hparams.layer_postprocess_sequence = "da"
  return hparams