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  1. class A:
  2.   __slots__ = ("a",)
  3.   def __init__(self) -> None:
  4.     self.a = 1
  5.  
  6.  
  7. class BCorrect:
  8. 	__slots__ = ("b",)
  9. 	def __init__(self, b) -> None:
  10. 		self.__class__.b.__set__(self, b)
  11.  
  12. 	def __getattr__(self, k):
  13. 		return getattr(self.b, k)
  14.  
  15. 	def __setattr__(self, k, v):
  16. 		setattr(self.b, k, v)
  17.  
  18. a = A() 
  19.  
  20. b = BCorrect(a)
  21. print(b.a)  # 1
  22. b.a = 2
  23. print(a.a)  # 2
  24.  
  25.  
Success #stdin #stdout 0.02s 9116KB
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stdout 
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https://ideone.com/3yfpbv
language:
Python 3 (python  3.12)
created:
4 years ago
visibility:
public

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