【LeetCode】189. Rotate Array

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class Solution:
    def rotate(self, nums, k):
        """
        :type nums: List[int]
        :type k: int
        :rtype: void Do not return anything, modify nums in-place instead.
        """
        for i in range(k):
            nums.insert(0, nums.pop())


class Solution:
    def rotate(self, nums, k):
        """
        :type nums: List[int]
        :type k: int
        :rtype: void Do not return anything, modify nums in-place instead.
        """
        n = len(nums)
        k = k % n
        nums[:] = nums[n-k:] + nums[:n-k]