283. 移动零

[mentaLwz]

class Solution:
    def moveZeroes(self, nums: List[int]) -> None:
        """
        Do not return anything, modify nums in-place instead.
        """
        slow, fast = 0, 0

        while fast < len(nums):
            if nums[fast] != 0:
                nums[slow] = nums[fast]
                slow += 1
                fast += 1
            else:
                fast += 1
        
        while slow < len(nums):
            nums[slow] = 0
            slow += 1