151_reverse_words_in_a_string.py

class Solution:
    def reverseWords(self, s: str) -> str:
        string = s.strip(' ')
        string_arr = string.split(' ')
        string_arr.reverse()
        ans = ''
        for tmp_str in string_arr:
            if tmp_str != '':
                ans += tmp_str + ' '
        ans = ans[:len(ans)-1]
        return ans

'''
    This is my personal record of solving Leetcode Problems. 
    If you have any questions, please discuss them in [Issues](https://github.com/mengxinayan/leetcode/issues).
    Copyright (C) 2020-2022  mengxinayan

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
'''