Day 4 - Move zeroes

Solution.py

class Solution:
    def moveZeroes(self, nums: List[int]) -> None:
        def swap(a: int, b: int, nums: List[int]) -> None:
            temp = nums[a]
            nums[a] = nums[b]
            nums[b] = temp
            
        lastNonZeroPos = 0
        for i in range(len(nums)):
            if nums[i] != 0:
                swap(i, lastNonZeroPos, nums)
                lastNonZeroPos += 1