튜플 - programmers(python)

https://programmers.co.kr/learn/courses/30/lessons/64065

def solution(s):
    answer = []
    stacks= []
    dic = {}
    tmp = ''
    for i in s:
        
        if i.isdigit():
            tmp+=i
        else:
            if tmp !='':
                stacks.append(tmp)
                if tmp not in dic:
                    dic[tmp] =1
                    tmp = ''
                else:
                    dic[tmp] +=1
                    tmp = ''
                     
    dic = sorted(dic.items(), key = lambda x : x[1], reverse = True)
    for d in dic:
        answer.append(int(d[0]))
    return answer