code: def test_trans(self):
      # trans is the production instance of ParseMap, used in _study1
      parser = pyparse.Parser(4, 4)
      self.assertEqual(
          "\t a([{b}])b\"c'd\n".translate(pyparse.trans),
          "xxx(((x)))x\"x'x\n",
      )
  
imports: from idlelib import pyparse
  import unittest
  from collections import namedtuple
label_desc: Use image node_id 2 for calling the ParseMapTest obj's underlying member method code with example usage: obj.test_trans() without return types