code: def _as_tuple(value):
      if not nest.is_nested(value):
          return value
      return tuple([_as_tuple(v) for v in value])
  
file_path: tensorflow/tensorflow/python/feature_column/utils.py
imports: import six
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import ops
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.util import nest
label_desc: Use image node_id 6 for calling a global function with example usage: _as_tuple(value) and returns: tuple, value