给你一个字符串
s由若干单词组成,单词前后用一些空格字符隔开。返回字符串中最后一个单词的长度。
单词 是指仅由字母组成、不包含任何空格字符的最大子字符串。
示例 1:
输入:s = "Hello World"
输出:5
示例 2:
输入:s = "   fly me   to   the moon  "
输出:4
示例 3:
输入:s = "luffy is still joyboy"
输出:6
提示:
来源:力扣(LeetCode)
链接:https://leetcode-cn.com/problems/length-of-last-word
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def lengthOfLastWord(s: str) -> int:
    s=s.strip()
    len=s.__len__()
    for i in range(len-1,-1,-1):
        if s[i]==‘ ‘: return len-1-i
    return len
if __name__ == ‘__main__‘:
    s = "Hello World"
    print(lengthOfLastWord(s))
    s = "   fly me   to   the moon  "
    print(lengthOfLastWord(s))
    s = "luffy is still joyboy"
    print(lengthOfLastWord(s))
    s = "joyboy"
    print(lengthOfLastWord(s))
    s = "    "
    print(lengthOfLastWord(s))
    s = "a   a"
    print(lengthOfLastWord(s))

原文:https://www.cnblogs.com/Code2235/p/15242239.html