26. Remove Duplicates from Sorted Array for python

class Solution:
    def removeDuplicates(self, nums: List[int]) -> int:
        count=0
        if len(nums)==0:
            return 0
        for i in range(len(nums)):
            if nums[count]!=nums[i]:
                count+=1
                nums[count]=nums[i]
        return count+1