code: def fan_out_fan_in(x):
      for i in range(10**4):
          x = (x + x) / 2.0
      return np.sum(x)
  
imports: import numpy
  import autograd.numpy
  from autograd import grad
label_desc: Use image node_id 11 for calling a global function with example usage: fan_out_fan_in(x) and returns: np