Write a function that takes a string as input and returns the string reversed.
Example 1:
Input: "hello" Output: "olleh"
Example 2:
Input: "A man, a plan, a canal: Panama" Output: "amanaP :lanac a ,nalp a ,nam A"
Python
class Solution(object): def reverseString(self, s): """ :type s: str :rtype: str """ return s[::-1]