code: def test_zip_iter(self):
      self.run_test(
          """
              def zip_iter(l0):
                s = 0
                for x in zip(l0, l0):
                  for y in x:
                    s += y
                return s""",
          [0, 1, 2],
          zip_iter=[List[int]],
      )
  
imports: from pythran.tests import TestEnv
  import unittest
  import numpy
  from pythran.typing import List, NDArray
label_desc: Use image node_id 15 for calling the TestItertools obj's underlying member method code with example usage: obj.test_zip_iter() without return types