- '''
- 给定两个句子 A 和 B . (句子是一串由空格分隔的单词. 每个单词仅由小写字母组成.)
- 如果一个单词在其中一个句子中只出现一次, 在另一个句子中却没有出现, 那么这个单词就是不常见的.
- 返回所有不常用单词的列表.
- 您可以按任何顺序返回列表.
- 示例 1:
- 输入: A = "this apple is sweet", B = "this apple is sour"
- 输出:["sweet","sour"]
- 示例 2:
- 输入: A = "apple apple", B = "banana"
- 输出:["banana"]
- 提示:
- 0 <= A.length <= 200
- 0 <= B.length <= 200
- A 和 B 都只包含空格和小写字母
- '''
- import copy
- class Solution:
- def uncommonFromSentences(self, A, B):
- """
- :type A: str
- :type B: str
- :rtype: List[str]
- """
- la=A.split()
- lb = B.split()
- la_n = self._get_lc(la)
- lb_n = self._get_lc(lb)
- C = []
- for i in la_n:
- if i not in lb:
- C.append(i)
- else:
- pass
- for i in lb_n:
- if i not in la:
- C.append(i)
- else:
- pass
- return list(set(C))
- def _get_lc(self,la):# 返回一个新的数组, 去除出现 2 次以上的单词
- ll = copy.deepcopy(la)
- for i in set(ll):
- if ll.count(i)> 1:
- while i in ll:
- ll.remove(i)
- else:
- pass
- return ll
- if __name__ == '__main__':
- A="s z z z s"
- B="s z ejt"
- Solution = Solution()
- print(Solution.uncommonFromSentences(A,B))
来源: http://www.bubuko.com/infodetail-2784997.html