comefrom: <qiyuangong>026_Remove_Duplicates_from_Sorted_Array_1.py
code: def removeDuplicates( nums):
      ls = len(nums)
      if ls <= 1:
          return ls
      last = nums[0]
      pos = 1
      for t in nums[1:]:
          if t == last:
              continue
          else:
              nums[pos] = t
              pos += 1
              last = t
      return pos
masked: def sample_funcname ( var_0 ) :
      var_2 = len ( var_0 )
      if var_2 <= 1 :
          return var_2
      var_5 = var_0 [ 0 ]
      var_6 = 1
      for var_7 in var_0 [ 1 : ] :
          if var_7 == var_5 :
              continue
          else :
              var_0 [ var_6 ] = var_7
              var_6 += 1
              var_5 = var_7
      return var_6
  