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:
<b>Input:</b> "Hello World" <b>Output:</b> 5
解法:
class Solution: def lengthOfLastWord(self, s: 'str') -> 'int': data=s.strip().split(' ') if not data: return 0 else: return len(data[-1])