one-liner
Code\n\nclass Solution:\n    def isAcronym(self, words: List[str], s: str) -> bool:\n        return all(a==b[0] for a, b in zip_longest(s, words, fillvalue=["_"
# Code\n```\nclass Solution:\n    def isAcronym(self, words: List[str], s: str) -> bool:\n        return all(a==b[0] for a, b in zip_longest(s, words, fillvalue=["_"]))\n```
['Python3']