pub fn classifier(dataset: ZList(#(ZList(Float), String)), hidden_layers: ZList(
    Int,
  ), learning_rate: Float, error_threshold: Float, max_iterations: Int, seed: Int) -> fn(
  ZList(Float),
) -> String

pub fn iterate(net: ZList(ZList(Neuron)), learning_rate: Float, inputs: ZList(
    ZList(Float),
  ), expected_outputs: ZList(ZList(Float)), error_threshold: Float, countdown: Int) -> ZList(
  ZList(Neuron),
)