#58 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.

Example:

Input: "Hello World"
Output: 5

Solution1；

class Solution:
    def lengthOfLastWord(self, s: str) -> int:
        if s:
            return len(s.strip().split(" ")[-1])
        else:
            return 0