58. Length of Last Word

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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

解法:

class Solution:
    def lengthOfLastWord(self, s: 'str') -> 'int':
        data=s.strip().split(' ')
        if  not data:
            return 0
        else:
            return len(data[-1])
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