comefrom: <doocs>2215.Find the Difference of Two Arrays_1.py
code: def findDifference( nums1: List[int], nums2: List[int]) -> List[List[int]]:
      s1, s2 = set(nums1), set(nums2)
      return [list(s1 - s2), list(s2 - s1)]
masked: def sample_funcname ( var_0 : List [ int ] , var_3 : List [ int ] ) -> List [ List [ int ] ] :
      var_5 , var_6 = set ( var_0 ) , set ( var_3 )
      return [ list ( var_5 - var_6 ) , list ( var_6 - var_5 ) ]
  