code: def create_ctable(chars="0123456789+= "):
      return input_pipeline.CharacterTable(chars)
  
file_path: flax/examples/seq2seq/train_test.py
imports: import functools
  from absl.testing import absltest
  from flax.training import train_state
  import jax
  from jax import random
  import numpy
  import optax
  import input_pipeline
  import train
  import models
label_desc: Use image node_id 1 for calling a global function with example usage: create_ctable(chars) and returns: input_pipeline