code: def __call__(self, x):
      for layer in self.layers:
          x = layer(x)
      return x
  
imports: from absl.testing import absltest
  from absl.testing import parameterized
  import jax
  from jax import numpy
  import neural_tangents
  from neural_tangents import experimental
  import numpy
  import tensorflow
label_desc: Use image node_id 2 for calling the _MLP obj's underlying member method code with example usage: obj.__call__(x) and returns: x