283.Move Zeroes To end Two Pointer

class Solution:
    def moveZeroes(self, nums: List[int]) -> None:
        l=r=0
        n=len(nums)
        while r<n:
            if  nums[r]:
                nums[l],nums[r]=nums[r],nums[l]
                r+=1
                l+=1
            else:
                r+=1
        return nums