def test_equals_10(self):
     self.assertEqual(hex_to_bin('A23'), '101000100011')
 def test_equals_9(self):
     self.assertEqual(hex_to_bin('04D2'), '10011010010')
 def test_equals_8(self):
     self.assertEqual(hex_to_bin('5'), '101')
 def test_equals_7(self):
     self.assertEqual(hex_to_bin('0F'), '1111')
 def test_equals_6(self):
     self.assertEqual(hex_to_bin('f'), '1111')
 def test_equals_5(self):
     self.assertEqual(hex_to_bin('0'), '0')