class Solution:
    def countCharacters(self, words: List[str], chars: str) -> int:
        chardict = {}
        rlt = 0
        for char in chars:
            if char in chardict.keys():
                chardict[char] += 1
            else:
                chardict[char] = 1
        for word in words:
            wdict = {}
            iscontain = True
            for char in word:
                if char in wdict.keys() and char in chardict.keys() and wdict[char] < chardict[char]:
                    wdict[char] += 1
                elif char not in wdict.keys() and char in chardict.keys():
                    wdict[char] = 1
                else:
                    iscontain = False
            if iscontain == True:
                rlt += len(word)
        return rlt