884. Uncommon Words from Two Sentences
A sentence is a string of single-space separated words where each word consists only of lowercase letters.
A word is uncommon if it appears exactly once in one of the sentences, and does not appear in the other sentence.
Given two sentences s1 and s2, return a list of all the uncommon words. You may return the answer in any order.
Example 1:
Input: s1 = "this apple is sweet", s2 = "this apple is sour"
Output: ["sweet","sour"]
Explanation:
The word "sweet" appears only in s1, while the word "sour" appears only in s2.
Example 2:
Input: s1 = "apple apple", s2 = "banana"
Output: ["banana"]
Constraints:
1 <= s1.length, s2.length <= 200s1ands2consist of lowercase English letters and spaces.s1ands2do not have leading or trailing spaces.- All the words in
s1ands2are separated by a single space.
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Loading editor…
1class Solution:
2 def uncommonFromSentences(self, s1: str, s2: str) -> List[str]:
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Examples
Input
"this apple is sweet" "this apple is sour"
Input
"apple apple" "banana"
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