code: def neural_networks(self):
          
          result = []
          for models in self.allele_to_allele_specific_models.values():
              result.extend(models)
          result.extend(self.class1_pan_allele_models)
          return result
docs: List of the neural networks in the ensemble.
  
          Returns
          -------
          list of `Class1NeuralNetwork`