프로그래머스(Algorithm)-쇠막대기(Queue)

def solution(arrangement):
    cnt = 0
    sticks = 0
    lRazor = arrangement.replace("()",'R')

    for x in lRazor:
        if x == "(":
            sticks += 1
        elif x== ")":
            sticks -= 1
            cnt += 1
        else:
            cnt += sticks
    answer = cnt
    return answer