code: def is_non_str_iterable(obj):
      return isinstance(obj, Iterable) and not isinstance(obj, str)
  
imports: import math
  from collections.abc import Iterable
  import numpy
  import sacrebleu
  import sklearn.metrics
  import random
  from collections import defaultdict
label_desc: Use image node_id 20 for calling a global function with example usage: is_non_str_iterable(obj) and returns: unknown