[LeetCode Python3] 187. Repeated DNA Sequences

SincX

于 2021-01-03 19:57:04 发布

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187. Repeated DNA Sequences

class Solution:
    def findRepeatedDnaSequences(self, s: str) -> List[str]:
        dictionary = dict()
        for i in [s[x : x + 10] for x in range(len(s) - 9)]:
            dictionary[i] = dictionary.get(i, 0) + 1
        return [k for k, v in dictionary.items() if v > 1]