code: def map_structure(
      f: Multimap,
      *structure: tp.Union[types.ArrayHolder, None],
  ) -> types.Container[tp.Union[types.T, None]]:
      if isinstance(structure[0], tp.Tuple):
          return tuple(map_structure(f, *x) for x in zip(*structure))
      elif isinstance(structure[0], tp.Dict):
          return {
              key: map_structure(f, *(elem[key] for elem in structure))
              for key in structure[0]
          }
      elif structure[0] is not None:
          return f(*structure)
      else:  # if it is tuple of None
          return None
  
imports: import collections
  import functools
  import math
  import typing
  import jax
  import jax.numpy
  import numpy
  import six
  import typing_extensions
  from elegy import types, utils
label_desc: Use image node_id 2 for calling a global function with example usage: map_structure(f) and returns: tuple, unknown, f, None