text: from collections import namedtuple
  
  Genotype = namedtuple('Genotype', 'recurrent attention concat')
  
  PRIMITIVES = [
      'none',
      'tanh',
      'relu',
      'sigmoid',
      'identity'
  ]
  ATTENTIONS = [
      'att',
      'multiatt',
  ]
  STEPS = 8
  CONCAT = 8
  
  N1 = Genotype(recurrent=[('sigmoid', 0), ('identity', 0), ('relu', 0), ('identity', 0), ('identity', 0)], attention='att', concat=range(1, 6))
  
  