code: def test_product_on_generator(self):
      self.run_test(
          "def product_g(l0,l1): from itertools import product; return sum(map(lambda t : t[0]*t[1], product((y for x in l0 for y in range(x)),(y for x in l1 for y in range(x)))))",
          [0, 1, 2, 3, 4],
          [4, 3, 2, 1, 0],
          product_g=[List[int], List[int]],
      )
  
imports: from pythran.tests import TestEnv
  import unittest
  import numpy
  from pythran.typing import List, NDArray
label_desc: Use image node_id 11 for calling the TestItertools obj's underlying member method code with example usage: obj.test_product_on_generator() without return types