code: def default(val, d):
      return val if val is not None else d
  
imports: import functools
  from math import sqrt
  import torch
  import torch.distributed
  import torch.nn
  import torch.nn.functional
  import torchaudio
  from einops import rearrange
label_desc: Use image node_id 1 for calling a global function with example usage: default(val, d) and returns: unknown