code: def mlp(num_channels: int):
      return Sequential(
          nn.LayerNorm(num_channels),
          nn.Linear(num_channels, num_channels),
          nn.GELU(),
          nn.Linear(num_channels, num_channels),
      )
  
label_desc: Use image node_id 1 for calling a global function with example usage: mlp(num_channels) and returns: Sequential