leetcode Reverse Words in a String III python解法
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class Solution(object): def reverseWords(self, s): return ' '.join(s.split()[::-1])[::-1]
如果输入为"Let's take LeetCode contest"
则s.split() 是将原始的字符串,以空格分割成列表结果:["Let's", 'take', 'LeetCode', 'contest']s.split()[::-1] 列表反转,按照列表元素反转
' '.join(s.split()[::-1]) ‘ ’.join 是将元素(元祖或者列表转换成字符串)结果: contest LeetCode take Let's' '.join(s.split()[::-1])[::-1]最终结果为 s'teL ekat edoCteeL tsetnoc
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