code: def create_network():
      """
      Generate new network every time when we call it.
      """
      return layers.join(
          layers.Input(2),
          layers.Sigmoid(1, weight=default_weight.copy(), bias=None),
      )
  
file_path: neupy/examples/mlp/gd_algorithms_visualization.py
imports: from functools import partial
  import numpy
  import matplotlib.pyplot
  import matplotlib.patches
  from neupy.utils import asfloat, tensorflow_session
  from neupy import algorithms, layers, utils
label_desc: Use image node_id 4 for calling a global function with example usage: create_network() and returns: layers