code: def split(x, y):
      for i, j in zip_longest(x, y):
          yield i if i else 0, j if j else 0
  
imports: import unittest
  import copy
  from itertools import zip_longest
  from towhee.runtime.runtime_pipeline import RuntimePipeline
  from towhee.runtime.data_queue import Empty
label_desc: Use image node_id 1 for calling a global function with example usage: split(x, y) without return types