# https://leetcode.com/problems/counting-words-with-a-given-prefix

from typing import List

class Solution:
    def prefixCount(self, words: List[str], pref: str) -> int:
        result = 0
        l = len(pref)
        for word in words:
            if len(word) >= l and word[:l] == pref:
                result += 1
        return result