문제 Write a function to find the longest common prefix string amongst an array of strings. If there is no common prefix, return an empty string "". Example 1: Input: ["flower","flow","flight"] Output: "fl"Example 2: Input: ["dog","racecar","car"] Output: "" Explanation: There is no common prefix among the input strings.Note: All given inputs are in lowercase letters a-z. 풀이 class Solution: def lo..
