code: def check_bitop_identities_2(self, x, y):
      eq = self.assertEqual
      with self.subTest(x=x, y=y):
          eq(x & y, y & x)
          eq(x | y, y | x)
          eq(x ^ y, y ^ x)
          eq(x ^ y ^ x, y)
          eq(x & y, ~(~x | ~y))
          eq(x | y, ~(~x & ~y))
          eq(x ^ y, (x | y) & ~(x & y))
          eq(x ^ y, (x & ~y) | (~x & y))
          eq(x ^ y, (x | y) & (~x | ~y))
  
imports: import unittest
  from test import support
  import sys
  import random
  import math
  import array
label_desc: Use image node_id 7 for calling the LongTest obj's underlying member method code with example usage: obj.check_bitop_identities_2(x, y) without return types