comefrom: <qiyuangong>026_Remove_Duplicates_from_Sorted_Array_2.py
code: def removeDuplicates( nums):
      if len(nums) == 0:
          return 0
      left = 0
      for i in range(1, len(nums)):
          if nums[left] == nums[i]:
              continue
          else:
              left += 1
              nums[left] = nums[i]
      return left + 1
masked: def sample_funcname ( var_0 ) :
      if len ( var_0 ) == 0 :
          return 0
      var_3 = 0
      for var_6 in range ( 1 , len ( var_0 ) ) :
          if var_0 [ var_3 ] == var_0 [ var_6 ] :
              continue
          else :
              var_3 += 1
              var_0 [ var_3 ] = var_0 [ var_6 ]
      return var_3 + 1
  