comefrom: <qiyuangong>448_Find_All_Numbers_Disappeared_in_an_Array_1.py
code: def findDisappearedNumbers( nums):
      res = []
      if nums:
          n = len(nums)
          for i in range(n):
              val = abs(nums[i]) - 1
              if nums[val] > 0:
                  nums[val] = -nums[val]
          for i in range(n):
              if nums[i] > 0:
                  res.append(i + 1)
      return res
masked: def sample_funcname ( var_0 ) :
      var_1 = [ ]
      if var_0 :
          var_3 = len ( var_0 )
          for var_5 in range ( var_3 ) :
              var_8 = abs ( var_0 [ var_5 ] ) - 1
              if var_0 [ var_8 ] > 0 :
                  var_0 [ var_8 ] = - var_0 [ var_8 ]
          for var_5 in range ( var_3 ) :
              if var_0 [ var_5 ] > 0 :
                  var_1.append ( var_5 + 1 )
      return var_1
  