题解 | #字符串排序#
字符串排序
https://www.nowcoder.com/practice/5190a1db6f4f4ddb92fd9c365c944584
import re
o = [] # 保存字母
d = [] # 保存非字母字符的值和索引
a = input()
for i,w in enumerate(a):
if not re.findall('[A-Za-z]',w) or w == ' ':
d.append([w,i])
else:
o.append(w)
o = sorted(o,key=str.lower)
for i in d:
o.insert(i[1],i[0])
print(''.join(o))
