text: class Solution:
      def longestCommonPrefix(self, strs: List[str]) -> str:
          result = ''
          i = 1
          while i <= len(strs[0]):
              result = strs[0][0:i]
              for s in strs:
                  if s[0:i] != result:
                      result = strs[0][0:i-1]
                      return result
              i += 1
          return result