题解 | #字符串排序#
字符串排序
https://www.nowcoder.com/practice/5190a1db6f4f4ddb92fd9c365c944584
s = input()
ss = ''
res = ''
index = 0
for i in s:
if i.isalpha():
ss += i
ss = sorted(ss,key=str.upper)
for k in range(len(s)):
if s[k].isalpha():
res += ss[index]
index += 1
else:
res += s[k]
print(res)
