code: def Serialize(serializer):
      """Layer that serializes a given array."""
  
      def serialize(x):
          (batch_size, length) = x.shape[:2]
          shape_suffix = x.shape[2:]
          x = jnp.reshape(x, (batch_size * length,) + shape_suffix)
          x = serializer.serialize(x)
          return jnp.reshape(
              x,
              (
                  batch_size,
                  -1,
                  serializer.representation_length,
              ),
          )
  
      return tl.Fn("Serialize", serialize)
  
imports: import functools
  import gym
  import numpy
  from trax import layers
  from trax.fastmath import numpy
  from trax.rl import space_serializer
label_desc: Use image node_id 1 for calling a global function with example usage: Serialize(serializer) and returns: tl, jnp