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  1. class A:
  2.     def __init__(self, a = None):
  3.         self.a = a
  4.         if a is not None:
  5.             a.a = self
  6.  
  7.     def __del__(self):
  8.         print("bye")
  9.  
  10.  
  11. a = A()
  12. a = None
  13. print("delete works")
  14.  
  15. a = A()
  16. b = A(a)
  17.  
  18. a = None
  19. b = None
  20. print("not delete yet")
Success #stdin #stdout 0.02s 27696KB
comments (?)
stdin
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Standard input is empty
stdout
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bye
delete works
not delete yet
bye
bye
https://ideone.com/rnbxdO
language:
Python 3 nbc (python 3.7.3)
created:
6 years ago
visibility:
public

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