题解 | #字符串排序#

import sys

for line in sys.stdin:
    data=line[:-1]
    result=[]
    for distance in range(26):
        for c in data:
            if ord(c)-ord('A')==distance or ord(c) - ord('a')==distance:
                result.append(c)
    for i, c in enumerate(data):
        if not c.isalpha():
            result.insert(i, c)
    result_string=''.join(result)
    print(result_string)