text: import sys
  
  
  class WithAttributes:
      def __init__(self):
          self.a = 'a'
          self.b = 'b'
          return
  
      def __sizeof__(self):
          return object.__sizeof__(self) + \
              sum(sys.getsizeof(v) for v in self.__dict__.values())
  
  
  my_inst = WithAttributes()
  print(sys.getsizeof(my_inst))
  
  