Leetcode 920 Solution

This article provides solution to leetcode question 920 (uncommon-words-from-two-sentences)
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https://leetcode.com/problems/uncommon-words-from-two-sentences

Solution

class Solution(object):
    def uncommonFromSentences(self, A, B):
        """
        :type A: str
        :type B: str
        :rtype: List[str]
        """
        m = collections.defaultdict(int)

        for word in A.split():
            m[word] += 1

        for word in B.split():
            m[word] += 1

        return [word for word, cnt in m.items() if cnt == 1]