def test_working(self):
bloom_filter = BloomFilter(25)
#check if it works as expected
bloom_filter.add_word("these")
self.assertTrue(bloom_filter.check_word("these"))
bloom_filter.add_word("fdfdf")
self.assertTrue(bloom_filter.check_word("fdfdf"))
self.assertFalse(bloom_filter.check_word("plaban"))
