Character Case sort

Title Description: Given a string containing only letters, sort in the order of uppercase letters followed by lowercase letters.

Example: Give "ABACD", one possible answer is "Acbad"

The color of the row with the title (see: Click to open the link) is the same. (Amount ... I don't know why the same problem he would make so much of, so I don't talk anymore. is to put the lowercase all in front of the array by swapping. The code is below:

Class solution: "" "    @param chars:the Letters array you should sort.    " " def sortletters (self, chars): Left        =-1        n = len (chars) for        i in range (n):            if Chars[i].islower (): Left                + = 1                chars[i], chars[left] = Chars[left], chars[i]        return chars        # write your code here

Character Case sort