code: def flatten_iterable(iter: Iterable) -> Iterable:
      """Flatten an iterable which contains values or
      iterables with values.
  
      Args:
          iter: iterable containing values at the deepest level.
  
      Returns:
          A flat iterable containing values.
      """
      for it in iter:
          if isinstance(it, str) or not isinstance(it, Iterable):
              yield it
          else:
              yield from flatten_iterable(it)
  
imports: import math
  import os
  from typing import Iterable, List
  import torch.nn
label_desc: Use image node_id 3 for calling a global function with example usage: flatten_iterable(iter) without return types