코딩하는 락커

def solution(record): answer = [] users = {} enter_list = [] for r in record : if r.split(' ')[0] == "Enter" : users[r.split(' ')[1]] = r.split(' ')[2] enter_list.append([r.split(' ')[1], r.split(' ')[0]]) elif r.split(' ')[0] == "Leave" : enter_list.append([r.split(' ')[1], r.split(' ')[0]]) else : users[r.split(' ')[1]] = r.split(' ')[2] for i in enter_list : if i[1] == "Enter" : answer.append..