code: def FCDenseNet57(n_classes):
      return FCDenseNet(
          in_channels=2,
          down_blocks=(4, 4, 4, 4, 4),
          up_blocks=(4, 4, 4, 4, 4),
          bottleneck_layers=4,
          growth_rate=4,
          out_chans_first_conv=48,
          n_classes=n_classes,
      )
  
imports: import torch
  import torch.functional
  import torch.nn
label_desc: Use image node_id 2 for calling a global function with example usage: FCDenseNet57(n_classes) and returns: FCDenseNet