华为4.14机考第一题翻转字符串

while True: try:
        s = input()
        n = s.count('(')
        s = list(s) for j in range(n):
            c = 0  li = [] for k in s: if k =='(':
                    c = c + 1  if k == ')':
                    c = c - 1  li.append(c) for i in range(len(s)): if s[i] =='(':
                    l = i + 1  c = c + 1  if s[i] == ')':
                    r = i
                    c = c - 1  if c == sorted(li)[-1]:
                        s[l:r] = s[l:r][::-1]
                        s.pop(l-1)
                        s.pop(r-1) print(''.join(s)) except: break