Clean python code

  • 0
    class Solution(object):
        def permuteUnique(self, nums):
            record, r = set(), []
            for i, num in enumerate(nums):
                if num not in record:
                    r += [
                        [num] + path
                        for path in self.permuteUnique(
                            nums[:i] + nums[i + 1:]
                        ) or [[]]
            return r

Log in to reply

Looks like your connection to LeetCode Discuss was lost, please wait while we try to reconnect.