[프로그래머스]스택,큐/올바른 괄호 (python)

📖 문제

스택/큐(Lv.02) 올바른 괄호 👾
https://school.programmers.co.kr/learn/courses/30/lessons/12909

💻답안

def solution(s):
    a=list(s)
    b=[]
    for i in a:
        if len(b)==0:
            b.append(i)
        elif b[-1]=='(' and i==')':
            b.pop()
        else:
            b.append(i)
    if len(b)==0:
        return True
    else:
        return False