题解 | 字符串排序

shuru = input()
zimu = ''
for i in shuru:
    if i.isalpha():
        zimu = zimu + i
zimu1=sorted(zimu,key=str.upper)


result = ''
suoyin = 0
for i in range(len(shuru)):
    if shuru[i].isalpha():
        result = result + zimu1[suoyin]
        suoyin =suoyin+1
    else:
        result= result+shuru[i]
print(result)
看着题解做的