hackerrank-two-strings.py

pairs = int(input())

from collections import Counter

def checkPairs(first, second):
    firstCount = Counter(first)
    secondCount = Counter(second)
    commonLettersExist = firstCount - secondCount != firstCount
    if commonLettersExist:
        return "YES"
    else:
        return "NO"

while(pairs > 0):
    pairs -= 1
    firstWordLetters = [letter for letter in input().strip()]
    secondWordLetters = [letter for letter in input().strip()]
    print(checkPairs(firstWordLetters, secondWordLetters))