344. Reverse String

[chengchengxu15]

https://leetcode.com/problems/reverse-string/

Write a function that reverses a string. The input string is given as an array of characters s.

Example 1:

Input: s = ["h","e","l","l","o"] Output: ["o","l","l","e","h"] Example 2:

Input: s = ["H","a","n","n","a","h"] Output: ["h","a","n","n","a","H"]

Constraints:

1 <= s.length <= 105 s[i] is a printable ascii character.

[vipulbhati660]

class Solution: def reverseString(self, s: List[str]) -> None: reverse="" for letters in s[::-1]: reverse+=letters