hetwen @ 2022-08-19 15:03:34
a=input() len=len(a) for i in range(1,len+1): print(a[-i],end='')
by ioker @ 2022-08-19 15:14:18
@hetwen 越界了
by ioker @ 2022-08-19 15:14:48
print(a[len-i],end='')
可能是???