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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 imagetransformerpp_base_5l_8h_big_uncond_dr00_dan_g_bs1():
 """For 256x256."""

  hparams = imagetransformerpp_base_10l_8h_big_uncond_dr03_dan_g()
  # TODO(trandustin): I forgot to set this in the runs! Maybe it's not used in
  # image transformer training implementation?
  # hparams.img_len = 256
  hparams.max_length = 66000  # allow for 256x256
  hparams.batch_size = 1
  hparams.num_decoder_layers = 5
  hparams.hidden_size = 128
  hparams.filter_size = 128
  hparams.attention_key_channels = 64
  hparams.attention_value_channels = 64
  hparams.layer_prepostprocess_dropout = 0.0
  return hparams