detect-capital.py 文件源码

def detectCapitalUse(self, word):
        """
        :type word: str
        :rtype: bool
        """
        ud = set(string.uppercase)
        ld = set(string.lowercase)
        n = len(word)
        cap = 0
        for c in word:
            if c in ud:
                cap += 1
        if cap == n:
            return True
        if cap == 1 and word[0] in ud:
            return True
        return False if cap > 0 else True