884_uncommon_words_from_two_sentences.py

class Solution:
    def uncommonFromSentences(self, A: str, B: str) -> List[str]:

        def count_string_word(string: str):
            word_list = string.split()
            word_dict = {}
            for word in word_list:
                if word in word_dict:
                    word_dict[word] += 1
                else:
                    word_dict[word] = 1
            return word_dict
        
        str_dict = count_string_word(A + ' ' + B)
        ans = []
        for key, value in str_dict.items():
            if value == 1:
                ans.append(key)
        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/>.
'''