code: def clones(module, N):
      """Produce N identical layers"""
      return nn.LayerList([copy.deepcopy(module) for _ in range(N)])
  
imports: import copy
  import math
  import paddle
  from paddle import nn
  from paddle.nn import functional
label_desc: Use image node_id 3 for calling a global function with example usage: clones(module, N) and returns: nn