code: def test_tab_delimiter(self):
      args = [
          "one",
          "two",
          "Original",
          "Current",
          "2005-01-26 23:30:50",
          "2010-04-02 10:20:52",
      ]
      ud = difflib.unified_diff(*args, lineterm="")
      self.assertEqual(
          list(ud)[0:2],
          [
              "--- Original\t2005-01-26 23:30:50",
              "+++ Current\t2010-04-02 10:20:52",
          ],
      )
      cd = difflib.context_diff(*args, lineterm="")
      self.assertEqual(
          list(cd)[0:2],
          [
              "*** Original\t2005-01-26 23:30:50",
              "--- Current\t2010-04-02 10:20:52",
          ],
      )
  
imports: import difflib
  from test.support import findfile
  import unittest
  import doctest
  import sys
label_desc: Use image node_id 1 for calling the TestOutputFormat obj's underlying member method code with example usage: obj.test_tab_delimiter() without return types