code: def encode(self, scope, x):
      return mlp(scope, x, self.hidden, self.latents)
  
imports: from dataclasses import dataclass
  from typing import Callable
  import jax
  from absl.testing import absltest
  from jax import numpy
  from jax import random
  from flax.core import Array, Scope, init, nn, unfreeze
label_desc: Use image node_id 2 for calling the AutoEncoder2 obj's underlying member method code with example usage: obj.encode(scope, x) and returns: mlp