위장
from functools import reduce def solution(clothes): answer = 0 dic = {} for cloth in clothes: if cloth[1] in dic:#딕셔너리에 있으면 갯수 추가 dic.update({cloth[1]:dic.get(cloth[1])+1}) else:#딕셔너리에 없으면 추가 dic[cloth[1]] = 2 li = list(dic.values()) answer = reduce(lambda x, y: x * y, li)-1 print(answer) return answer