code: def test_indices(self):
      self.run_test(
          "def indices(A):return list(range(len(A)))",
          [1, 2],
          indices=[List[int]],
      )
  
imports: from pythran.tests import TestEnv
  from pythran.typing import *
label_desc: Use image node_id 12 for calling the TestCopperhead obj's underlying member method code with example usage: obj.test_indices() without return types