comefrom: <doocs>1299.Replace Elements with Greatest Element on Right Side_1.py
code: def replaceElements( arr: List[int]) -> List[int]:
      m = -1
      for i in range(len(arr) - 1, -1, -1):
          t = arr[i]
          arr[i] = m
          m = max(m, t)
      return arr
masked: def sample_funcname ( var_0 : List [ int ] ) -> List [ int ] :
      var_4 = - 1
      for var_7 in range ( len ( var_0 ) - 1 , - 1 , - 1 ) :
          var_8 = var_0 [ var_7 ]
          var_0 [ var_7 ] = var_4
          var_4 = max ( var_4 , var_8 )
      return var_0
  