leetcode-python-最长公共前缀

class Solution:
    def longestCommonPrefix(self, strs: List[str]) -> str:
        count_prefix = 1
        if len(strs) == 1:
            return strs[0]
        if ‘‘ in strs:
            return ‘‘
        while count_prefix <= len(strs[0]):
            temp = strs[0][0:count_prefix]
            for i in range(1,len(strs)):
                if strs[i][0:count_prefix] != temp: 
                    if count_prefix == 1:
                        return ‘‘
                    else:
                        return strs[0][0:count_prefix-1]
            count_prefix +=1
        return strs[0][0:count_prefix-1]

class Solution:
    def longestCommonPrefix(self, strs: List[str]) -> str:
        import os
        return os.path.commonprefix(strs)