题解 | #字符串排序#
字符串排序
https://www.nowcoder.com/practice/5190a1db6f4f4ddb92fd9c365c944584
s = input() a = '' for i in s: if i.isalpha(): a += i aa = sorted(a,key=str.upper) res = [] idx = 0 for i in range(len(s)): if not s[i].isalpha(): res.append(s[i]) else: res.append(aa[idx]) idx += 1 print(''.join(res))