code: def _ntuple(n):
      def parse(x):
          if isinstance(x, collections.abc.Iterable):
              return x
          return tuple(repeat(x, n))
  
      return parse
  
imports: import collections.abc
  import math
  from functools import partial
  from itertools import repeat
  from typing import Tuple, Optional
  import numpy
  import torch
  import torch.nn
  import torch.nn.functional
  from .config import *
label_desc: Use image node_id 1 for calling a global function with example usage: _ntuple(n) and returns: parse, tuple, x