code: def __repr__(self):
      result_lines = ""
      for each in self.layers:
          result_lines += str(each)
      return result_lines
  
imports: import torch
  import typing
  import torch.nn
  import torch.nn.functional
  from .None import register_nas_space
  from .base import BaseSpace, map_nn
  from ...model import BaseAutoModel
  from .operation import act_map
  from ..utils import count_parameters, measure_latency
  from ..backend import *
  from operator import *
  from .operation import *
label_desc: Use image node_id 5 for calling the GraphNet obj's underlying member method code with example usage: obj.__repr__() and returns: result_lines