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
class Solution:
def lengthOfLastWord(self, s):
"""
:type s: str
:rtype: int
"""
s = s.rstrip() #Python rstrip() 删除 string 字符串末尾的指定字符(默认为空格).
if len(s)==0:
return 0
else:
return len(s.split()[-1])