Move Zeroes

#https://leetcode.com/problems/move-zeroes/description/
class Solution(object):
    def moveZeroes(self, nums):
        """
        :type nums: List[int]
        :rtype: void Do not return anything, modify nums in-place instead.
        """
        zero = 0
        for i in xrange(0, len(nums)):
            if nums[i] != 0:
                nums[i], nums[zero] = nums[zero], nums[i]
                zero += 1