문자열 압축 파이썬

def solution(s):
    answer = len(s)
    for step in range(1,len(s)//2+1):
        temp = [s[i:i+step] for i in range(0,len(s),step)]
        ans = 0
        cnt = 0
        for i in range(len(temp)-1):
            cnt += 1
            if temp[i] == temp[i+1]:
                continue
            else:
                ans += len(temp[i]) + (len(str(cnt)) if cnt > 1 else 0)
                cnt = 0
        cnt += 1
        ans += len(temp[-1]) + (len(str(cnt)) if cnt > 1 else 0)
        answer = min(answer,ans)
    return answer