class Solution:
def moveZeroes(self, nums: List[int]) -> None:
"""
Do not return anything, modify nums in-place instead.
"""
slow = 0
fast = 0
while fast < len(nums):
if nums[fast] != 0:
nums[slow] = nums[fast]
slow += 1
fast += 1
while slow < len(nums):
nums[slow] = 0
slow += 1