code: def log_mean_exp(value, dim=0, keepdim=False):
      return torch.logsumexp(value, dim, keepdim=keepdim) - math.log(
          value.size(dim)
      )
  
imports: import math
  import os
  import shutil
  import sys
  import time
  import torch
  import torch.distributions
  import torch.nn.functional
  from datasets import CUBImageFt
label_desc: Use image node_id 6 for calling a global function with example usage: log_mean_exp(value, dim, keepdim) and returns: unknown