14. Longest Common Prefix

https://leetcode.com/problems/longest-common-prefix/

Python

class Solution:
    def longestCommonPrefix(self, strs: List[str]) -> str:
        if not strs:
            return ""

        limit = min([len(s) for s in strs])

        prefix = []
        for i in range(limit):
            cur = strs[0][i]
            if all([s[i]==cur for s in strs[1:]]):
                prefix.append(cur)
                continue
            break

        return ''.join(prefix)