【leetcode❤python】409. Longest Palindrome

#-*- coding: UTF-8 -*-
from collections import Counter
class Solution(object):
    def longestPalindrome(self, s):
        """
        :type s: str
        :rtype: int
        """
        lopa=0
        lopa1=0
        slist=list(s)
        result=Counter(s)
        maxOdd=1
        maxKey=None
        oddDic={}

        for k,v in result.iteritems():
            if v%2==0:lopa+=v
            else:
                oddDic.setdefault(k,v)
                if v>=maxOdd:maxOdd=v;maxKey=k
                    
        if maxKey!=None:lopa+=maxOdd;oddDic.pop(maxKey)
        
        if oddDic!=None:
            for v in oddDic.itervalues():
                lopa+=v/2*2
            
        return lopa
    
sol=Solution()
print sol.longestPalindrome('ccc')