code: def test_vmul(self):
      self.run_test(
          "def vmul(x, y): return list(map(lambda a, b: a * b, x, y))",
          [0.0, 1.0, 2.0],
          [5.0, 6.0, 7.0],
          vmul=[List[float], List[float]],
      )
  
imports: from pythran.tests import TestEnv
  from pythran.typing import *
label_desc: Use image node_id 20 for calling the TestCopperhead obj's underlying member method code with example usage: obj.test_vmul() without return types