2023-07-16 16:26:31 +0000 UTC

class Solution:
    def removeDuplicates(self, nums: List[int]) -> int:
        length = len(nums)

        if length < 2:
            return length
        
        current_index = 2

        for number in nums[2:]:
            if number == nums[current_index-2]:
                continue
            
            nums[current_index] = number
            current_index += 1

        return current_index