2185-counting-words-with-a-given-prefix

DevGod

Vtuber

Caution

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js

/**
 * @param {string[]} words
 * @param {string} pref
 * @return {number}
 */
var prefixCount = function(words, pref) {
    return words.reduce( (sum,el)=>sum + el.startsWith(pref), 0);
};

py

class Solution:
    def prefixCount(self, words: List[str], pref: str) -> int:
        return sum([1 for word in words if word.startswith(pref)])