60 leetcode - Length of Last Word

#!/usr/bin/python # -*- coding: utf-8 -*- ''' Length of Last Word Given a string s consists of upper/lower-case alphabets and empty space characters ' ', return the length of last word in the string. If the last word does not exist, return 0. Note: A word is defined as a character sequence consists of non-space characters only. For example, Given s = "Hello World", return 5. ''' class Solution(object): def lengthOfLastWord(self, s): """ :type s: str :rtype: int """ l = 0 s = s.strip() for i in s: if i == ' ': l = 0 else: l += 1 return l if __name__ == "__main__": s = Solution() print s.lengthOfLastWord("Hello World") print s.lengthOfLastWord("a ") print s.lengthOfLastWord("a d adada ") #注意这种情况...