code: def prod(xs):
      p = 1
      for x in xs:
          p *= x
      return p
  
file_path: gluonts/src/gluonts/nursery/robust-mts-attack/pts/model/transformer/transformer_network.py
imports: from typing import List, Optional, Tuple
  import torch
  import torch.nn
  from gluonts.core.component import validated
  from gluonts.torch.modules.distribution_output import DistributionOutput
  from pts.modules import MeanScaler, NOPScaler, FeatureEmbedder
label_desc: Use image node_id 1 for calling a global function with example usage: prod(xs) and returns: p