15. 轮转数组

给定一个整数数组nums将数组中的元素向右轮转k个位置其中k是非负数。方法:数组旋转class Solution(object): def func(self,nums,l,r): while lr: nums[l],nums[r]nums[r],nums[l] l1 r-1 def rotate(self, nums, k): kk%len(nums) self.func(nums,0,len(nums)-1) self.func(nums,0,k-1) self.func(nums,k,len(nums)-1) return nums