LeetCode-344：Reverse String

This  is a  "Pick One" Problem ：【Problem：344-Reverse String】

Write a function that takes a string as input and returns the string reversed.

Example:
Given s = "hello", return "olleh".

 

Python实现字符串反转： s [::-1]

class Solution:
    def reverseString(self, s):
        """
        :type s: str
        :rtype: str
        """
        s=input("请输入需要反转的内容：")
        return s[::-1]
        

But：