code: def to_list(data):
      if data is None:
          return None
      if type(data) in [tuple, list]:
          return data
      return [data]
  
imports: from __future__ import division, print_function, absolute_import
  import six
  import string
  import random
  import numpy
  import tensorflow.compat.v1
  from tensorflow.python import pywrap_tensorflow
  import tflearn.variables
label_desc: Use image node_id 11 for calling a global function with example usage: to_list(data) and returns: list, None, data