comefrom: <doocs>0080.Remove Duplicates from Sorted Array II_1.py
code: def removeDuplicates( nums: List[int]) -> int:
      i = 0
      for num in nums:
          if i < 2 or num != nums[i - 2]:
              nums[i] = num
              i += 1
      return i
masked: def sample_funcname ( var_0 : List [ int ] ) -> int :
      var_4 = 0
      for var_5 in var_0 :
          if var_4 < 2 or var_5 != var_0 [ var_4 - 2 ] :
              var_0 [ var_4 ] = var_5
              var_4 += 1
      return var_4
  