code: def test_equal(self):
      self._test_ok(["a"], ["a"], 1)
      self._test_ok(["a", "b", "c"], ["a", "b", "c"], 3)
  
imports: from __future__ import division
  from __future__ import print_function
  import argparse
  import io
  import sys
  import unicodedata
  import unittest
label_desc: Use image node_id 5 for calling the TestAlignment obj's underlying member method code with example usage: obj.test_equal() without return types