26. Remove Duplicates from Sorted Array

26. Remove Duplicates from Sorted Array

class Solution:
    def removeDuplicates(self, nums: List[int]) -> int:
        slow = 0
        fast = 0

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

        return slow + 1