comefrom: <doocs>1356.Sort Integers by The Number of 1 Bits_1.py
code: def sortByBits( arr: List[int]) -> List[int]:
      arr.sort(key=lambda x: (x.bit_count(), x))
      return arr
masked: def sample_funcname ( var_0 : List [ int ] ) -> List [ int ] :
      var_0.sort ( var_4 = lambda var_5 : ( var_5.bit_count ( ) , var_5 ) )
      return var_0
  