📖 문제 📃 코드 import collections # id_list = ["muzi", "frodo", "apeach", "neo"] # report = ["muzi frodo", "apeach frodo", "frodo neo", "muzi neo", "apeach muzi"] # k = 2 def solution(id_list, report, k): answer = [] # remove repeated report report = list(set(report)) # prevent duplicated reported user name reportHash = collections.defaultdict(set) # counting how many reported user stopped = collecti..
