code: def AFN4(num_classes=1, **kwargs):
      return get_AFN(arch="AFN4", num_classes=num_classes, **kwargs)
  
imports: import torch
  import torch.nn
  import torch.nn.functional
label_desc: Use image node_id 7 for calling a global function with example usage: AFN4(num_classes) and returns: get_AFN