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[LeetCode By Python]58. Length of Last Word

2018-01-28 20:51 375 查看
题目:

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


我用的字符串内置函数,只有两行代码,然而我发现提交后,虽然正确但时间花费太多

代码+测试:
class Solution(object):
def lengthOfLastWord(self, s):
"""
:type s: str
:rtype: int
"""
lists = s.rstrip().split(' ')
return len(lists[-1])

a = Solution()
print a.lengthOfLastWord(" ")
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