code: def generate_combinations(args):
      if isinstance(args, list):
          args = [el if isinstance(el, list) else [el] for el in args]
          return [list(x) for x in product(*args)]
      elif isinstance(args, dict):
          flat = []
          for k, v in args.items():
              if isinstance(v, list):
                  flat.append([(k, el) for el in v])
              else:
                  flat.append([(k, v)])
          return [dict(x) for x in product(*flat)]
      else:
          raise TypeError(
              "No args handling exists for %s" % type(args).__name__
          )
  
imports: import os
  import logging
  import numpy
  import sklearn.preprocessing
  import h5py
  import random
  from itertools import product
  from pymilvus import DataType
  from milvus_benchmark import config
label_desc: Use image node_id 12 for calling a global function with example usage: generate_combinations(args) and returns: unknown, unknown