class_docstr: Shakespeare data set from http://cs.stanford.edu/people/karpathy/char-rnn.
class_docstr_tok: ["Shakespeare","data","set","from","http",":","\/\/cs.stanford.edu\/people\/karpathy\/char-rnn","."]
code: def gen_iterators(self):
      self.load_data()
      train_path, valid_path = Text.create_valid_file(self.filepath)
      self._data_dict = {}
      self._data_dict["train"] = Text(self.timesteps, train_path)
      vocab = self._data_dict["train"].vocab
      self._data_dict["valid"] = Text(
          self.timesteps, valid_path, vocab=vocab
      )
      return self._data_dict
  
imports: import logging
  import numpy
  import os
  import h5py
  from neon.data.dataiterator import NervanaDataIterator, ArrayIterator
  from neon.data.datasets import Dataset
  from neon.data.text_preprocessing import pad_sentences, pad_data
label_desc: Use image node_id 3 for calling the Shakespeare obj's underlying member method code with example usage: obj.gen_iterators() and returns: self