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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 lstm_attention_base():
 """Base attention params."""

  hparams = lstm_seq2seq()
  hparams.add_hparam("attention_layer_size", hparams.hidden_size)
  hparams.add_hparam("output_attention", True)
  hparams.add_hparam("num_heads", 1)
  return hparams