code: def test_lineno(self):
      self.assertEqual(self.top.get_lineno(), 0)
      self.assertEqual(self.spam.get_lineno(), 14)
  
imports: import symtable
  import unittest
  from test import support
  from test.support import os_helper
label_desc: Use image node_id 6 for calling the SymtableTest obj's underlying member method code with example usage: obj.test_lineno() without return types