class Solution:
    def prefixCount(self, words: List[str], pref: str) -> int:
        pref_length = len(pref)
        ans_cnt = 0
        for ele in words:
            if len(ele) < pref_length:
                continue
            else:
                if self.compare_str(ele[0: pref_length], pref):
                    ans_cnt += 1
                else:
                    pass
        return ans_cnt

    def compare_str(self, word_pref: str, pref: str) -> bool:
        return (word_pref == pref)