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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_error(data, labels, pos_neurons, neg_neurons = [], add_noise = True):
 """ Calculates error, including number of false positives and false negatives. Written to allow the use of multiple neurons, in case we attempt to use a population in the future. """

  num_correct = 0
  num_false_positives = 0
  num_false_negatives = 0
  classifications = numpy.zeros(data.nRows())
  for neuron in pos_neurons:
    classifications += neuron.calculate_on_entire_dataset(data)
  for neuron in neg_neurons:
    classifications -= neuron.calculate_on_entire_dataset(data)
  if add_noise:
    classifications += (numpy.random.rand() - 0.5)/1000
  classifications = numpy.sign(classifications)
  for classification, label in zip(classifications, labels):
    if classification > 0 and label > 0:
      num_correct += 1.0
    elif classification <= 0 and label <= 0:
      num_correct += 1.0
    elif classification > 0 and label <= 0:
      num_false_positives += 1
    else:
      num_false_negatives += 1
  return (1.*num_false_positives + num_false_negatives)/data.nRows(), num_false_positives, num_false_negatives