[연습] 코딩테스트- 위장

코딩테스트 연습

• programmers.co.kr
• 위장

---

import collections

def solution(clothes):
    a = [[x[1]] for x in clothes]
    c = collections.Counter()
    for x in a:
        c += collections.Counter(x)

    d = 1
    for x in c:
        d *= c[x]+1

    return(d-1)