题解 | #翻转单词序列#

#
# 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
#
# 
# @param str string字符串 
# @return string字符串
#
class Solution:
    def ReverseSentence(self , str: str) -> str:
        stack = []
        new_str = ''
        for word in str.split():
            stack.append(word)
        print(stack)
        while stack:
            str_then = stack.pop()
            new_str += (str_then+' ')
        new_str = new_str.strip()
        return new_str

分单词压栈然后弹出即可，记得添加/删除空格