code: def test_mult_0(self):
      self.run_test(
          "def mult_0(a):\n b=[1,2,3,8,7,4]\n b*=a\n return b",
          8,
          mult_0=[int],
      )
  
imports: from pythran.tests import TestEnv
  from pythran.typing import List, NDArray
  import numpy
label_desc: Use image node_id 17 for calling the TestList obj's underlying member method code with example usage: obj.test_mult_0() without return types