def solve(self, cipher):
        a = map(set, cipher)
        ret = a[0].intersection(a[1])
        if len(ret) > 0:
            return "YES"
        else:
            return "NO"
Test 'skipws' and 'ws'rule modifier in combination.
dataset/ETHPy150Open algorhythms/HackerRankAlgorithms/Two Strings.py/Solution.solve--crossover with--dataset/ETHPy150Open igordejanovic/textX/tests/functional/test_rule_modifiers.py/test_skipws_ws