code: def __call__(self, x):
      act = sum((wi * xi for wi, xi in zip(self.w, x)), self.b)
      return act.relu() if self.nonlin else act
  
imports: import random
  from micrograd.engine import Value
label_desc: Use image node_id 2 for calling the Neuron obj's underlying member method code with example usage: obj.__call__(x) and returns: unknown