[연습] 코딩테스트 연습 (태그문제)

def solution(data, tags):
    tmp = {x[0] : 0 for x in data}

    for x in tags:
        for y in data:
            if x in y:
                tmp[y[0]] +=1

    tmp_sort = sorted(tmp.items(), key= lambda x: x[1], reverse=True)
    answer = [x[0] for x in tmp_sort if x[1] != 0]
    print(answer)



solution([
        ["doc1", "t1", "t2", "t3"],
        ["doc2", "t0", "t2", "t3"],
        ["doc3", "t1", "t6", "t7"],
        ["doc4", "t1", "t2", "t4"],
        ["doc5", "t6", "t100", "t8"],
        ],
        ["t1","t2","t3"]
    )