input: from typing import List
  
  def create_3_layer_network() -> List[float]:
      """ Create a 3-layer artificial neural network and return the output of the network.
      >>> create_3_layer_network()
      [0.92]
      """
      import numpy as np
  
      # define the 3 layers
      input_layer = np.array([2, 3])
      hidden_layer = np.array([[0.1, 0.4],
                               [0.8, 0.6],
                               [0.3, 0.9]])
      output_layer = np.array([0.3, 0.7])
  
      # compute the output of the 3-layer network
      hidden_layer_output = np.dot(input_layer, hidden_layer)
      output = np.dot(hidden_layer_output, output_layer)
  
      return output.tolist()
output:     return [round(output[0], 2)]