code: def _dict_set_diff(iter1, iter2) -> Dict[int, List[int]]:
      """
      Returns a dict, where the elements in iter1 are
      the keys, and the values are the set differences
      between the key and the values of iter2.
      """
      ret = {
          int(y): [int(x) for x in iter2 if int(x) != int(y)]
          for y in iter1
      }
      return ret
  
imports: from .compat import pd_DataFrame, pd_Series, pd_read_parquet
  import numpy
  from numpy.random import RandomState
  import blosc
  import dill
  from typing import Union, List, Dict, Optional
label_desc: Use image node_id 13 for calling a global function with example usage: _dict_set_diff(iter1, iter2) and returns: ret