code: def save_parameters_as_npz(model, filename="model.npz"):
      # Save the model parameters into a NPZ file
      chainer.serializers.save_npz(filename, model)
      print("{} saved!\n".format(filename))
  
      # Load the saved npz from NumPy and show the parameter shapes
      print("--- The list of saved params in model.npz ---")
      saved_params = np.load("model.npz")
      for param_key, param in saved_params.items():
          print(param_key, "\t:", param.shape)
      print("---------------------------------------------\n")
  
imports: import chainer
  import h5py
  import numpy
  import model
label_desc: Use image node_id 1 for calling a global function with example usage: save_parameters_as_npz(model, filename) without return types