# find the longest common prefix
# 1 <= strs.length <= 200
# 0 <=strs[i].length <= 200
# only lowercase
class Solution:
    def longestCommonPrefix(self, strs: list[str]) -> str:
        return_string = ""
        i = 0
        while i < len(strs[0]):
            try:
                for string in strs:
                    if string[i] != strs[0][i]:
                        return return_string
                return_string += strs[0][i]
                i += 1
            except:
                return return_string

        return return_string